CN205650774U - Sand core assembling device - Google Patents
Sand core assembling device Download PDFInfo
- Publication number
- CN205650774U CN205650774U CN201620455853.9U CN201620455853U CN205650774U CN 205650774 U CN205650774 U CN 205650774U CN 201620455853 U CN201620455853 U CN 201620455853U CN 205650774 U CN205650774 U CN 205650774U
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- CN
- China
- Prior art keywords
- pressure strip
- pallet
- sand core
- assembly
- core
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Abstract
The utility model relates to a casting modeling technology field discloses a sand core assembling device, includes the frame and is used for supporting the tray of psammitolite down, and be equipped with the locating pin that is used for the psammitolite spacing on the tray, tray horizontal slip connects on the frame, is equipped with thrust unit on the frame, and thrust unit's driving terminal and tray are connected, be equipped with vertical guide post on the frame, guide post sliding connection has the pressure strip, and the level of pressure strip is higher than the tray, and the upper end of pressure strip is connected with and compresses tightly the cylinder, and the pressure strip still is connected with a plurality of last oil buffer. Adopt above -mentioned scheme, utilize closing cylinder close check packing force, stop to push down when the pressure strip pushes down the critical localisation, avoid the too big psammitolite that crushs by pressure of pressure, oil buffer's pressurize characteristic has the pressurize of long period in the utilization after applying certain pressure, so can realize the abundant bonding of psammitolite and lower psammitolite, assembles more firmly.
Description
Technical field
This utility model relates to casting and molding technical field.
Background technology
Core, is commonly called as " loam core ", " fuse ".In order to form cast-internal structure during casting, the core sand being often made into by roughing sand and binding agent, in core box, craft or core shooter are made, it is arranged on before casting in casting mold, after molten metal pours into condensation, when shaking out, it is removed, cavity can be formed, so being again core in foundry goods.When in batch or producing more complicated foundry goods in a large number, core, also in order to form combination type core, i.e. claims " cored-up mould ".In the gravity-assist pouring of semimetal half sand mold, product design is determined by the cavity shape of casting mold, and the die cavity of product is determined by the profile of core.Core is generally applied and is applied in combination, making the combination core of different size specification, the superposition of core usually uses bonding agent to bond, and i.e. coats bonding agent on superposition face, bonding, it is ensured that core is unlikely to displacement or floats under the high-temperature and high-pressure conditions in casting.
Mode currently for the main employing of bonding assembling of core is: is fixed on easy fixture by lower core, the most manually smears bonding agent, then be stacked on lower core by upper core, manually apply pressure, bond.Owing to manual operation exists randomness in the control of dynamics, the excessive core that is easily caused of dynamics damages by pressure, and the too small meeting of dynamics causes bonding insecure, causes easily occurring under core high-temperature and high-pressure conditions in casting displacement or floating, and then affect the cavity molding of foundry goods, cause foundry goods to be scrapped.
Utility model content
This utility model is intended to provide a kind of assembly of sand core device, and to replace manually carrying out core assembly, the core making assembling is more firm, improves the yield rate of bonding core simultaneously.
Assembly of sand core device in this programme, including support and for supporting the pallet of lower core, described pallet is provided with for the spacing alignment pin of core, and described pallet level is slidably connected on support, support is provided with pushing means, and the promote-side of described pushing means is connected with pallet；Described support is provided with vertical lead, and lead slidably connects pressure strip, and the level height of described pressure strip is higher than pallet, and the upper end of pressure strip connects has compression cylinder, described pressure strip to be also associated with some upper oil buffers.
Beneficial effect: when implementing core assembly, starts pushing means Level Promoting pallet, vacates the space above pallet, it is simple to lay lower core to be assembled, and carry out spacing by alignment pin to lower core；Manually smearing bonding agent, upper core para-position be placed on lower core, pushing means promotes pallet to reset；Starting compression cylinder, promote and press under pressure strip, when pressure strip compresses upper core and lower core, compression cylinder stops promoting, and in utilization, oil buffer applies pressure to upper core, it is achieved upper core and the further bonding of lower core.
Use such scheme, utilize compressed oil cylinder strictly to control thrust, press under stopping when pressure strip is depressed into critical localisation, it is to avoid pressure is excessive damages core and lower core by pressure；The pressurizing features of oil buffer in utilization, has the pressurize of long period after applying certain pressure, so being capable of the abundant bonding of core and lower core, assembles more firm.
Further, described pressure strip upper end is also associated with hot air apparatus, and described hot air apparatus connects gas blow pipe, and gas blow pipe makes the mouth of pipe be positioned at below pressure strip around pressure strip bending.Hot blast can accelerate the solidification of bonding agent, effectively shortens the bonding time, improves efficiency.
Further, the opening direction of described gas blow pipe is parallel to pressure strip plate face, compares gas blow pipe directly to blast wicking surface, and hot blast is distributed more uniform, and bonding agent is heated inequality unavoidably, causes solidifying uneven, affects bonding effect.
Further, described support is provided with the axis of guide for the pressure strip that is slidably connected, axis of guide quantity is four and four end points distribution along tetragon, and described pressure strip is provided with four pilot holes for the overcoat axis of guide, and connecting in the pilot hole of described pressure strip has fairlead.Four axis of guides can limit the position of pressure strip from four points, makes can be supported at four end angles of pressure strip, and the slip making pressure strip is more stable, prevents owing to swing causes core unbalance stress, and then affects bonding effect.
Further, the top of described four axis of guides connects jointly a top board, and described compression cylinder is connected on this top board.The setting of top board makes the axis of guide more firm, and design is more reasonable, also allows for the installation of compression cylinder.
Further, described pushing means is pushing tow cylinder, and described support is provided with horizontally disposed slide rail, the slide block that described pallet lower end is provided with and this slide rail coordinates.Pushing tow cylinder is compared the pushing means pressure of other structure and is more prone to control, and pneumatic actuation reaction is quickly, it is simple to the fast-assembling cache of core, improves core assembly efficiency.
Further, described support is provided with lower oil buffer, and lower oil buffer can slow down speed when pallet arrives critical localisation, prevents from occurring between core and lower core collision deformation, and then affects the precision of core combination.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model assembly of sand core device embodiment；
Fig. 2 be Fig. 1 face structural representation.
Detailed description of the invention
Below by detailed description of the invention, this utility model is described in further detail:
Reference in Figure of description includes: support 1, slide rail 11, pushing tow cylinder 12, lower oil buffer 13, the axis of guide 2, fairlead 21, top board 3, pallet 4, alignment pin 41, pressure strip 5, upper oil buffer 51, hot air apparatus 6, gas blow pipe 61, compression cylinder 7.
Embodiment is the most as shown in Figures 1 and 2:
Assembly of sand core device in this programme, including support 1, the axis of guide 2 being provided with on support 1, the axis of guide 2 quantity is four and four end points distribution along tetragon, pressure strip 5 is tetragon, being machined with four pilot holes for the overcoat axis of guide 2 on its four end angles, the pilot hole interference fit of pressure strip 5 has fairlead 21.The top of four axis of guides 2 is welded with a top board 3 jointly.
Being provided with compression cylinder 7 on top board 3, lower end and the pressure strip 5 of compression cylinder 7 connect, and the lower end of pressure strip 5 connects some upper oil buffers 51.Pressure strip 5 upper face is provided with hot air apparatus 6, and hot air apparatus 6 connects the gas blow pipe 61 of bending, and gas blow pipe 61 is bent around pressure strip 5, makes the mouth of pipe of gas blow pipe 61 be positioned at the lower section of pressure strip 5, gas blow pipe 61 and upper oil buffer 51 interlaced arrangement.Hot blast can accelerate the solidification of bonding agent, effectively shortens the bonding time, improves efficiency.The opening direction of gas blow pipe 61 is parallel to pressure strip 5 plate face, compares gas blow pipe 61 directly to blast wicking surface, and hot blast is distributed more uniform, and bonding agent is heated inequality unavoidably, causes solidifying uneven, affects bonding effect.
The lower end of support 1 is provided with pushing tow cylinder 12, the pushing direction of pushing tow cylinder 12 is horizontal direction, horizontally disposed slide rail 11 is installed on support 1, slide rail 11 direction is parallel with the pushing tow direction of pushing tow cylinder 12, the take-off lever of pushing tow cylinder 12 and the bottom of pallet 4 are bolted, the slide block that pallet 4 lower end is provided with and this slide rail 11 coordinates, this slide block coordinates on slide rail 11, and pallet 4 can be followed slide block and be moved together.Pushing tow cylinder 12 is compared the pushing means pressure of other structure and is more prone to control, and pneumatic actuation reaction is quickly, it is simple to fast-assembling cache pallet 4 level of core is slidably connected on support 1.
Support 1 upper and lower side is provided with and pushing tow cylinder 12 lower oil buffer 13 in the same direction, and lower oil buffer 13 is connected with the low side of pallet 4, it is possible to slow down speed when pallet 4 arrives critical localisation, prevents from occurring between part collision deformation, and then affects the precision of part.It is machined with alignment pin 41 on pallet 4, core to be assembled is machined with the pin-and-hole of correspondence, it is simple to fixing of lower core.
Operation principle: when implementing core assembly, starts pushing tow cylinder 12 Level Promoting pallet 4, vacates the space above pallet 4, it is simple to lay lower core to be assembled, and carry out spacing by alignment pin 41 to lower core；Manually smearing bonding agent, upper core para-position be placed on lower core, make core and lower core be vertically aligned, pushing means promotes pallet 4 to reset；Starting compression cylinder 7, promote pressure strip to press for 5 times, when pressure strip 5 compresses upper core, compression cylinder 7 stops promoting, and in utilization, oil buffer 51 applies pressure to upper core, it is achieved upper core and the further bonding of lower core.
Claims (7)
1. an assembly of sand core device, including support and for supporting the pallet of lower core, described pallet is provided with for the spacing alignment pin of core, it is characterised in that: described pallet level is slidably connected on support, support is provided with pushing means, and the promote-side of described pushing means is connected with pallet；Described support is provided with vertical lead, and lead slidably connects pressure strip, and the level height of described pressure strip is higher than pallet, and the upper end of pressure strip connects has compression cylinder, described pressure strip to be also associated with some upper oil buffers.
Assembly of sand core device the most according to claim 1, it is characterised in that: described pressure strip upper end is also associated with hot air apparatus, and described hot air apparatus connects gas blow pipe, and gas blow pipe makes the mouth of pipe be positioned at below pressure strip around pressure strip bending.
Assembly of sand core device the most according to claim 2, it is characterised in that: the opening direction of described gas blow pipe is parallel to pressure strip plate face.
Assembly of sand core device the most according to claim 1 and 2, it is characterized in that: described support is provided with the axis of guide for the pressure strip that is slidably connected, axis of guide quantity is four and four end points distribution along tetragon, described pressure strip is provided with four pilot holes for the overcoat axis of guide, and connecting in the pilot hole of described pressure strip has fairlead.
Assembly of sand core device the most according to claim 4, it is characterised in that: the top of described four axis of guides connects jointly a top board, and described compression cylinder is connected on this top board.
Assembly of sand core device the most according to claim 1 and 2, it is characterised in that: described pushing means is pushing tow cylinder, and described support is provided with horizontally disposed slide rail, the slide block that described pallet lower end is provided with and this slide rail coordinates.
Assembly of sand core device the most according to claim 6, it is characterised in that: described support is provided with lower oil buffer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620455853.9U CN205650774U (en) | 2016-05-18 | 2016-05-18 | Sand core assembling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620455853.9U CN205650774U (en) | 2016-05-18 | 2016-05-18 | Sand core assembling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205650774U true CN205650774U (en) | 2016-10-19 |
Family
ID=57403560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620455853.9U Expired - Fee Related CN205650774U (en) | 2016-05-18 | 2016-05-18 | Sand core assembling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205650774U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105817585A (en) * | 2016-05-18 | 2016-08-03 | 重庆新红旗缸盖制造有限公司 | Sand core assembling device |
-
2016
- 2016-05-18 CN CN201620455853.9U patent/CN205650774U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105817585A (en) * | 2016-05-18 | 2016-08-03 | 重庆新红旗缸盖制造有限公司 | Sand core assembling device |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161019 Termination date: 20170518 |