CN203711790U - Self-floating pressing iron for limiting core assembly pouring device - Google Patents
Self-floating pressing iron for limiting core assembly pouring device Download PDFInfo
- Publication number
- CN203711790U CN203711790U CN201420083320.3U CN201420083320U CN203711790U CN 203711790 U CN203711790 U CN 203711790U CN 201420083320 U CN201420083320 U CN 201420083320U CN 203711790 U CN203711790 U CN 203711790U
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- self
- lever arm
- floating
- foundary weight
- force
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Abstract
The utility model discloses a self-floating pressing iron for limiting a core assembly pouring device. The self-floating pressing iron comprises a pressing iron body, and further comprises a self-floating clamping mechanism, wherein the self-floating clamping mechanism comprises a front clamping device, a rear clamping device, a left clamping device and a right clamping device which are symmetrically arranged; each clamping device comprises an upper pressing block, a side pressing block and a linkage structure; the linkage structures are movably connected to the pressing iron body; the upper pressing blocks are connected to the linkage structures, apply vertical acting force along the vertical direction under the action of the gravity of the pressing iron body and bear vertical counter-acting force; the side pressing blocks are connected to the linkage structures, apply horizontal acting force along the horizontal direction under the vertical counter-acting force and bear horizontal counter-acting force; a side shape of a core assembly can be automatically clamped when an upper shape of the core assembly is pressed; limitation to a core assembly pouring device (a core assembly) is realized, the operation working procedure is reduced, and the production beat is accelerated.
Description
Technical field
The utility model relates to a kind of self-floating foundary weight, is specifically related to a kind of self-floating foundary weight for spacing core assembly pouring device.
Background technology
In the time that core group is carried out to core assembly pouring, except the mo(u)ld top half of core group can be subject to molten metal effect and on lift, the side type of core group can be subject to the effect of molten metal and swollen type too, so before cast, carry out the precautionary measures that prevent from lifting on mo(u)ld top half with the swollen type of side type.
Traditional mode is first to use C type clamp that sand mold clamping sides (or is used to sandbox, core group is put into), place again foundary weight in the above, then pour into a mould, after casting solidification, take off again foundary weight and C type clamp (or sandbox), existing technical method is all that the measure of the swollen type of prevention is divided into two procedures (above compression, clamp side), so more loaded down with trivial details in the time of operation, especially the operation of clamping sides time (add C type clamp or use sandbox) is than compressing numerous and diverse many of operation (bleeding off pressure iron) above, no matter be cast before clamping prepare or cast after dismantlement work be all very inconvenient, affect production efficiency.
Chinese utility model patent CN2336895Y discloses a kind of sand-mould compressing iron clamping apparatus of the hulling modelling production line for the production of foundry goods, by driving lever, left link-type clamping mechanism and right connecting rod clamp mechanism and left clamping plate and right clamping plate composition, left, right clamping plate respectively with a left side, one end of right connecting rod clamp mechanism is connected, left, the other end of right connecting rod clamp mechanism is all connected with driving lever, driving lever is crossbeam, although this utility model can realize preferably simultaneously, the mo(u)ld top half of sand mold compresses and the clamping of side type, but this utility model complex structure, consumptive material is many, and in the time realizing the clamping of side type, must rely on external force to realize driving lever is pressed on foundary weight, simple and easy not.
Chinese invention patent CN 1015782B discloses in cast, solidify with cooling period and provide a kind of device of foundary weight and lateral support for what there is horizontal parting line without case sand mold part, this device comprises a foundary weight and clamping plate, the bottom surface of mo(u)ld bottom half is placed in a delivery instrument, this device also comprises substantially L-shaped arm, the arm of these two " L " shapes is arranged in the same vertical plane through sand mold part relative to one another, and in a horizontal plane, laterally mutually stagger and place, and be rotatably attached to foundary weight in position, although this invention can realize preferably simultaneously, the mo(u)ld top half of sand mold compresses and the clamping of side type, but clamping plate need attached fixed structure just can be clamped in sand mold side type, the equal more complicated of structure and manufacturing process.
Summary of the invention
The purpose of this utility model is to provide a kind of self-floating foundary weight, this self-floating foundary weight can be realized the clamping of the compression of mo(u)ld top half and the side type of core group of core group simultaneously, and simple in structure, easy to make, need to be by external force, only rely on the deadweight of foundary weight just can realize the clamping of compression and the core group side type of core group mo(u)ld top half simultaneously.
For reaching above-mentioned utility model object, the technical solution adopted in the utility model is: a kind of self-floating foundary weight for spacing core assembly pouring device, comprise foundary weight body, also comprise self-floating clamp mechanism, it is described before floating clamp mechanism comprises, after, left, right symmetrically arranged clamping device, each described clamping device comprises upper holder block, side pressing block and linkage structure, described linkage structure is movably connected on described foundary weight body, described upper holder block is connected on described linkage structure and under the Gravitative Loads power of described foundary weight body and vertically applies vertical active force and bear vertical reaction force, described side pressing block is connected in along continuous straight runs on described linkage structure and under described vertical reaction force and applies horizontal applied force and bear horizontal reacting force.
Further technical scheme, described linkage structure is clamp lever, described clamp lever is articulated and connected on described foundary weight body and rotates in perpendicular, the below that one end of described clamp lever extends to described foundary weight body forms the first lever arm, the below that the other end of described clamp lever extends to described the first lever arm forms the second lever arm, described upper holder block is connected on described the first lever arm and rotates in perpendicular, and described side pressing block is connected on described the second lever arm.
Further technical scheme, described the first lever arm has first arm of force, described the second lever arm has second arm of force, described upper holder block and the first lever arm have the first weight summation, described side pressing block and the second lever arm have the second weight summation, and the product of described the first weight summation and first arm of force is greater than the product of described the second weight summation and second arm of force.
Further technical scheme, described clamp lever is articulated and connected and in perpendicular, is rotated on described foundary weight body and taking described the first rotating shaft as fulcrum by the first rotating shaft, described upper holder block is articulated and connected and is rotated in perpendicular in described the first lever arm and taking described the second rotating shaft as fulcrum by the second rotating shaft, and described side pressing block is by adjustable being fixedly connected on described the second lever arm and can described the 3rd rotating shaft being that fulcrum is whole in the modulation of perpendicular inward turning of the 3rd rotating shaft.
Because technique scheme is used, the utility model compared with prior art has following advantages: in the time that foundary weight body presses down, make the Gravitative Loads power of foundary weight body drive upper holder block to compress the mo(u)ld top half of core group by linkage structure, make the reaction force that upper holder block is subject to drive side pressing block to clamp the side type of core group by linkage structure simultaneously, therefore can be in the time realizing the compression of mo(u)ld top half of core group the side type of Automatic-clamping core group, realization is spacing to core assembly pouring device (core group), in the time producing, only need an operation that bleeds off pressure iron can ensure to compress mo(u)ld top half and clamp side type simultaneously, swell while avoiding pouring into a mould.So just can cancel original side clamp operation, reduce operational sequence, accelerate productive temp.
Brief description of the drawings
Fig. 1 is the schematic diagram of the upper holder block of self-floating foundary weight in the utility model embodiment mono-while not yet contacting mo(u)ld top half;
Fig. 2 is the schematic diagram of the upper holder block of self-floating foundary weight in the utility model embodiment mono-while starting to contact mo(u)ld top half;
Fig. 3 is the schematic diagram of the upper holder block of self-floating foundary weight in the utility model embodiment mono-when compressing mo(u)ld top half and side pressing block completely and clamping side type completely;
Fig. 4 is that the upper holder block of self-floating foundary weight in the utility model embodiment mono-starts to discharge mo(u)ld top half and the side pressing block schematic diagram while starting to discharge side type;
Fig. 5 is that the upper holder block of self-floating foundary weight in the utility model embodiment mono-discharges mo(u)ld top half completely and side pressing block discharges the schematic diagram after side type completely.
Wherein, 11, mo(u)ld top half; 12, side type; 2, foundary weight body; 31, upper holder block; 32, side pressing block; 331, the first lever arm; 332, the second lever arm; 41, the first rotating shaft; 42, the second rotating shaft; 43, the 3rd rotating shaft.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model is further described.
Embodiment mono-: referring to Fig. 1-Fig. 5, as shown in legend wherein, a kind of self-floating foundary weight for spacing core assembly pouring device, for compress the mo(u)ld top half 11 of core group and the side type 12 of clamping core group simultaneously, comprise a foundary weight body 2 and a self-floating clamp mechanism, should be before floating clamp mechanism comprises, after, left, right symmetrically arranged four clamping devices, each clamping device comprises a upper holder block 31, one side pressing block 32 and a clamp lever, clamp lever is articulated and connected and in perpendicular, is rotated on foundary weight body 2 and taking the first rotating shaft 41 as fulcrum by the first rotating shaft 41, the below (between foundary weight body 2 and mo(u)ld top half 11) that one end of clamp lever extends to foundary weight body 2 forms the first lever arm 331, the below (side type 12 outsides) that the other end of clamp lever extends to the first lever arm 331 forms the second lever arm 332, upper holder block 31 is articulated and connected and in perpendicular, is rotated on the first lever arm 331 and taking the second rotating shaft 42 as fulcrum by the second rotating shaft 42, side pressing block 32 by the 3rd rotating shaft 43 adjustable be fixedly connected on the second lever arm 332 and taking the 3rd rotating shaft 43 as fulcrum whole in the modulation of perpendicular inward turning.
Upper holder block 31 is vertically applied vertical active force N and bears the vertical reaction force N ＇ of mo(u)ld top half 11 to mo(u)ld top half 11 under the Gravitative Loads power G of foundary weight body 2 by the first lever arm 331, side pressing block 32 applies horizontal applied force P and the horizontal reacting force P ＇ that bears side type 12 by the second lever arm 332 along continuous straight runs under above-mentioned vertical reaction force N ＇ to side type 12, and above-mentioned vertical reaction force N ＇ is converted to horizontal applied force P ＇ by the arm of force of the first lever arm 331 and the arm of force of the second lever arm 332.
Technique scheme can be in the time realizing the compression of mo(u)ld top half of core group the side type of Automatic-clamping core group, realization is spacing to core assembly pouring device (core group), in the time producing, only need an operation that bleeds off pressure iron can ensure to compress mo(u)ld top half and clamp side type, swell while avoiding pouring into a mould simultaneously.So just can cancel original side clamp operation, reduce operational sequence, accelerate productive temp.
In order further to realize self-floating foundary weight in the time discharging core group, above-mentioned clamp lever can be opened automatically, the first lever arm 331 has the first arm of force L1, the second lever arm 332 has the second arm of force L2, upper holder block 31 and the first lever arm 331 have the first weight summation G1, side pressing block 32 and the second lever arm 332 have the second weight summation G2, and the product of the first weight summation G1 and the first arm of force L1 is greater than the product of the second weight summation G2 and the second arm of force L2, and G1*L1 is greater than G2*L2.
Embodiment bis-: all the other are identical with described embodiment mono-, difference is, between above-mentioned clamp lever and the first rotating shaft, be also provided with the bearing that is easy to rotation, between above-mentioned the first lever arm and the second rotating shaft, be also provided with the bearing that is easy to rotation, above-mentioned the second lever arm is directly fixedly connected with side pressing block, do not connect by above-mentioned the 3rd rotating shaft, cannot realize the adjustment of side pressing block.
Embodiment tri-: all the other are identical with described embodiment mono-, difference is, above-mentioned clamp lever can be utilized bar linkage structure or carve one or more modes that combine in locking structure, and the deadweight that realizes foundary weight body is converted into clamping sides power, this is prior art, is not described in detail in this.
Claims (4)
1. the self-floating foundary weight for spacing core assembly pouring device, comprise foundary weight body, it is characterized in that, also comprise self-floating clamp mechanism, it is described before floating clamp mechanism comprises, after, left, right symmetrically arranged clamping device, each described clamping device comprises upper holder block, side pressing block and linkage structure, described linkage structure is movably connected on described foundary weight body, described upper holder block is connected on described linkage structure and under the Gravitative Loads power of described foundary weight body and vertically applies vertical active force and bear vertical reaction force, described side pressing block is connected in along continuous straight runs on described linkage structure and under described vertical reaction force and applies horizontal applied force and bear horizontal reacting force.
2. self-floating foundary weight according to claim 1, it is characterized in that, described linkage structure is clamp lever, described clamp lever is articulated and connected on described foundary weight body and rotates in perpendicular, the below that one end of described clamp lever extends to described foundary weight body forms the first lever arm, the below that the other end of described clamp lever extends to described the first lever arm forms the second lever arm, described upper holder block is connected on described the first lever arm and rotates in perpendicular, and described side pressing block is connected on described the second lever arm.
3. self-floating foundary weight according to claim 2, it is characterized in that, described the first lever arm has first arm of force, described the second lever arm has second arm of force, described upper holder block and the first lever arm have the first weight summation, described side pressing block and the second lever arm have the second weight summation, and the product of described the first weight summation and first arm of force is greater than the product of described the second weight summation and second arm of force.
4. self-floating foundary weight according to claim 2, it is characterized in that, described clamp lever is articulated and connected and in perpendicular, is rotated on described foundary weight body and taking described the first rotating shaft as fulcrum by the first rotating shaft, described upper holder block is articulated and connected and is rotated in perpendicular in described the first lever arm and taking described the second rotating shaft as fulcrum by the second rotating shaft, and described side pressing block is by adjustable being fixedly connected on described the second lever arm and can described the 3rd rotating shaft being that fulcrum is whole in the modulation of perpendicular inward turning of the 3rd rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420083320.3U CN203711790U (en) | 2014-02-26 | 2014-02-26 | Self-floating pressing iron for limiting core assembly pouring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420083320.3U CN203711790U (en) | 2014-02-26 | 2014-02-26 | Self-floating pressing iron for limiting core assembly pouring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203711790U true CN203711790U (en) | 2014-07-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420083320.3U Withdrawn - After Issue CN203711790U (en) | 2014-02-26 | 2014-02-26 | Self-floating pressing iron for limiting core assembly pouring device |
Country Status (1)
| Country | Link |
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| CN (1) | CN203711790U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103769547A (en) * | 2014-02-26 | 2014-05-07 | 苏州明志科技有限公司 | Self-floating type clamp iron for limiting core assembly pouring device |
| CN104985117A (en) * | 2015-06-27 | 2015-10-21 | 共享装备有限公司 | Method for floatingly pressing box |
| CN109158544A (en) * | 2018-08-31 | 2019-01-08 | 芜湖中瑞模具有限公司 | Automobile engine sand core blanking clamp |
| CN111618755A (en) * | 2020-05-12 | 2020-09-04 | 武汉理工大学 | Workpiece fixing device |
-
2014
- 2014-02-26 CN CN201420083320.3U patent/CN203711790U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103769547A (en) * | 2014-02-26 | 2014-05-07 | 苏州明志科技有限公司 | Self-floating type clamp iron for limiting core assembly pouring device |
| CN104985117A (en) * | 2015-06-27 | 2015-10-21 | 共享装备有限公司 | Method for floatingly pressing box |
| CN104985117B (en) * | 2015-06-27 | 2017-03-15 | 共享装备有限公司 | Pressure of floating case method |
| CN109158544A (en) * | 2018-08-31 | 2019-01-08 | 芜湖中瑞模具有限公司 | Automobile engine sand core blanking clamp |
| CN111618755A (en) * | 2020-05-12 | 2020-09-04 | 武汉理工大学 | Workpiece fixing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140716 Effective date of abandoning: 20160217 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |