CN205020786U - Cyclic annular foundry goods core setting size control device - Google Patents
Cyclic annular foundry goods core setting size control device Download PDFInfo
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- CN205020786U CN205020786U CN201520658688.2U CN201520658688U CN205020786U CN 205020786 U CN205020786 U CN 205020786U CN 201520658688 U CN201520658688 U CN 201520658688U CN 205020786 U CN205020786 U CN 205020786U
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Abstract
The utility model relates to a cyclic annular foundry goods core setting size control device in the foundry technology field, including the perpendicular revolving axle that sets up, the revolving axle bottom is equipped with the fixing base, the fixed floating bearing that is equipped with on the revolving axle, the fixed link that is equipped with in outer lane of floating bearing, fixedly connected with crossbeam on the link, the terminal fixed connection of crossbeam erects the roof beam, erect roof beam lower part fixed connection cardboard, the radial profile phase adaptation of cardboard shape and annular foundry goods die cavity. The utility model discloses a device can the large -scale cyclic annular foundry goods core setting in -process of accurate control respectively makes up the core setting size position accuracy of psammitolite to the process of repeated adjustment psammitolite position, size and repeated measurement when effectively reducing the core setting simplifies core setting operation flow.
Description
Technical field
The utility model relates to the lower core process size control techniques field in core casting process, particularly core size control device under a kind of ring-type foundry goods.
Background technology
During large-scale ring-type foundry goods moulding, usually use the method for cored-up mould, namely carry out moulding in the mode that two or more cores combine.Large-scale ring-type foundry goods as common hydraulic turbine crown, lower lopps foundry goods, mining machinery gear ring foundry goods etc., diameter is mostly all at more than 4000mm, shape and structure is simple, and diameter is large, because this type of casting section thickness is little, adopt full pattern moulding completely, mold wall thickness is little, and intensity can be lower.So, normal adopt outline full pattern mould and inner chamber core combines or the method for the complete cored-up mould of core to carry out Foundry Production.
For this type of foundry goods, tire plate need be made as lower core benchmark during cored-up mould, and modeling process needs mould turnover, but casting dimension is large, required sandbox is large, easily splits case when mould turnover, and not easily by sandbox leveling when placing sandbox after mould turnover, the problems such as lower core datum level generation faulting of slab ends, inclination can be caused, make lower core size produce severe deviations, and increase the process costs of Mold Making and modeling process.Meanwhile, under cored-up mould during core, core local out-of-flatness, is not easily found, can causes the phenomenon that foundry goods local wall thickness is uneven; Or because foundry goods overall size is large, core positioning datum produces partially wrong, makes block mold be out of shape, causes later stage casting deformation; Again or lower core time core between clearance control uneven, easily produce large fash.So, lower core needs to same core the adjustment carried out repeatedly and measures mould dimension, so also the production cycle can be caused to extend, increase production cost.
Utility model content
The utility model, for core sand moulding technology existing problems under existing large-scale ring-type foundry goods, provides core size control device under a kind of ring-type foundry goods, is intended to accurately to control the precision of core sand moulding under large-scale ring-type foundry goods, and reduces formative technology cost.
The purpose of this utility model realizes like this, core size control device under a kind of ring-type foundry goods, comprise vertically disposed gyroaxis, be provided with holder bottom described gyroaxis, described gyroaxis is fixed with floating bearing, the outer ring of described floating bearing is fixed with link, described link is fixedly connected with crossbeam, the end of described crossbeam is fixedly connected with vertical beam, and described vertical beam bottom is fixedly connected with clamp, and the radial contour of described clamp shape and annular cast die cavity is suitable.
Core size control device under ring-type foundry goods of the present utility model, be applicable to ring-type thin-section casting combination core under core process size Control in, gyroaxis in device is corresponding with the centre of gyration of foundry goods die cavity, the radial direction of clamp shape and die cavity is taken turns Guo and is matched, in lower core process, the position of core is adjusted by clamp, accurately can control the lower core size of each combination core, and repeat to adjust the technical process of core position, size and repeated measurement when effectively reducing lower core, simplify lower core operating process.
For the intensity of further assurance device, described crossbeam is that channel-section steel is made, installation for ease of device connects, and the length direction along crossbeam is provided with some installing holes being convenient to adjust vertical beam installation site, and described vertical beam bottom is provided with some installing holes being convenient to adjust clamp installation site.
For preventing clamp to be out of shape, described clamp surface is provided with reinforcement gusset.
Another object of the present utility model is to provide a kind of lower core dimensional control methods adopting core size control device under ring-type foundry goods, comprises following process:
A () is according to the radius of gyration of the ring-type die cavity of ring-type foundry goods, be fixedly connected with each parts of core size control device under ring-type foundry goods, the radius of gyration making the radius of gyration of clamp inner side and outer side profile corresponding with outside to the radially inner side of the ring-type die cavity of foundry goods is respectively equal;
The positional precision of (b) checking clamp: get two test points on clamp surface, wherein test point one is positioned at the top of clamp radially inner side, test point two is positioned at the bottom of clamp radial outside, test point one and test point two distance apart from gyroaxis center is measured respectively every 45 ° along gyroaxis rotating beam, to verify that clamp rotates the axiality of a week along gyroaxis, if the axiality of each test point is less than 1mm, qualified, if the axiality of each test point is greater than 1mm, then readjusts the installation site of clamp and again verify that the positional precision of clamp is until qualified;
C under (), ring-type sand cores of castings assembly installed by core: the core assembly of described ring-type foundry goods comprises the inner chamber core and outline core of circumferentially arranging successively for the formation of ring-type die cavity some; The holder of gyroaxis and moulding plate are fixedly made vertical centre and the ring-type die cavity center superposition of gyroaxis, when lower core is installed, first lower first piece of inner chamber core, the lower outline core corresponding with it again, and the position of inner chamber core and foreign steamer Guo core is regulated according to clamp, make the inside edge of clamp and outer ledge die cavity corresponding with inner chamber core and outline core respectively take turns Guo Chonghe; Then all the other the inner chamber cores forming ring-type die cavity and foreign steamer Guo core are installed successively, until form complete ring-type die cavity; Finally rotate clamp one week along ring-type die cavity again, finely tune the position of each inner chamber core and outline core, make clamp edge and ring-type die cavity inwall without scratching.
Under ring-type foundry goods of the present utility model, core size control device and lower core dimensional control methods can not only ensure lower core position, guarantee mould dimension, repeat the operation adjusting core position, size and repetitive measurement when utilizing this device effectively can reduce lower core simultaneously, in the core cycle under effective shortening, simplify lower core operating process.And can the size of whole casting mold die cavity be measured and be controlled, prevent die cavity local deformation and mistake inclined.
Accompanying drawing explanation
Fig. 1 is core size control device structural representation under a kind of ring-type foundry goods of the present utility model.
Fig. 2 adopts core size control device under a kind of ring-type foundry goods of the present utility model to carry out the schematic diagram of lower core size Control process.
Fig. 3 is the front view of Fig. 2
Wherein, 1 gyroaxis; 2 floating bearings; 3 crossbeams; 4 vertical beams; 5 clamps; 6 holders; 7 inner chamber cores; 8 outline cores.
Detailed description of the invention
Embodiment 1
As shown in Figure 1, for core size control device under ring-type foundry goods of the present utility model, comprise vertically disposed gyroaxis 1, be provided with holder 6 bottom gyroaxis 1, gyroaxis 1 be fixed with floating bearing 2, the outer ring of floating bearing 2 is fixed with link, link is fixedly connected with crossbeam 3, the end of crossbeam 3 is fixedly connected with vertical beam 4, and vertical beam 4 bottom is fixedly connected with clamp 5, and the radial contour of clamp 5 shape and annular cast die cavity is suitable.For the intensity of further assurance device, in this device, crossbeam 3 is made for channel-section steel, installation for ease of device connects, length direction along crossbeam 3 is provided with some installing holes being convenient to adjust vertical beam 4 installation site, on vertical beam, also correspondence is provided with installing hole, and vertical beam bottom is provided with some installing holes being convenient to adjust clamp installation site.For preventing clamp 5 to be out of shape, clamp surface is provided with reinforcement gusset.
Core size control device under ring-type foundry goods of the present utility model, be applicable to large-scale ring-type thin-section casting combination core under core process size Control process in, gyroaxis in device is corresponding with the centre of gyration of foundry goods die cavity, the radial direction of clamp shape and die cavity is taken turns Guo and is matched, in lower core process, the position of core is adjusted by clamp, accurately can control the lower core size of each combination core, and repeat to adjust the technical process of core position, size and repeated measurement when effectively reducing lower core, simplify lower core operating process.
Embodiment 2
As shown in Figures 2 and 3, adopt said apparatus of the present utility model to carry out the control method of core size under ring-type foundry goods and comprise following process: (a) is according to the radius of gyration of the ring-type die cavity of ring-type foundry goods, be fixedly connected with each parts of core size control device under ring-type foundry goods, the radius of gyration making the radius of gyration of clamp 5 inner side and outer side profile corresponding with outside to the radially inner side of the ring-type die cavity of foundry goods is respectively equal;
The positional precision of (b) checking clamp: get two test points on clamp 5 surface, wherein test point one is positioned at the top of clamp 5 radially inner side, test point two is positioned at the bottom of clamp 5 radial outside, test point one and test point two distance apart from gyroaxis center is measured respectively every 45 ° along gyroaxis 1 rotating beam 3, to verify that clamp 5 rotates the axiality of a week along gyroaxis 1, if the axiality of each test point is less than 1mm, qualified, if the axiality of each test point is greater than 1mm, then readjusts the installation site of clamp 5 and again verify that the positional precision of clamp 5 is until qualified; C under (), ring-type sand cores of castings assembly installed by core: the core assembly of ring-type foundry goods comprises the inner chamber core 7 and outline core 8 of circumferentially arranging successively for the formation of ring-type die cavity some; The holder 6 of gyroaxis 1 and moulding plate are fixedly made vertical centre and the ring-type die cavity center superposition of gyroaxis 1, when lower core is installed, first lower first piece of inner chamber core, the lower outline core corresponding with it again, and the position of inner chamber core 7 and foreign steamer Guo core 8 is regulated according to clamp 5, make the inside edge of clamp and outer ledge die cavity corresponding with inner chamber core 7 and outline core 8 respectively take turns Guo Chonghe; Then all the other the inner chamber cores 7 forming ring-type die cavity and foreign steamer Guo core 8 are installed successively, until form complete ring-type die cavity; Finally rotate clamp 5 one weeks along ring-type die cavity again, finely tune the position of each inner chamber core 7 and outline core 8, make clamp 5 edge and ring-type die cavity inwall without scratching.
Under ring-type foundry goods of the present utility model, core size control device and lower core dimensional control methods can not only ensure lower core position, guarantee mould dimension, repeat to adjust the operation of each core position, size and repetitive measurement when utilizing this device effectively can reduce lower core simultaneously, in the core cycle under effective shortening, simplify lower core operating process.And can the size of whole foundry goods die cavity be measured and be controlled, prevent die cavity local deformation and mistake inclined.
Claims (3)
1. core size control device under a ring-type foundry goods, it is characterized in that, comprise vertically disposed gyroaxis, be provided with holder bottom described gyroaxis, described gyroaxis is fixed with floating bearing, the outer ring of described floating bearing is fixed with link, described link is fixedly connected with crossbeam, the end of described crossbeam is fixedly connected with vertical beam, and described vertical beam bottom is fixedly connected with clamp, and the radial contour of described clamp shape and annular cast die cavity is suitable.
2. core size control device under ring-type foundry goods according to claim 1, it is characterized in that, described crossbeam is that channel-section steel is made, and the length direction along crossbeam is provided with some installing holes being convenient to adjust vertical beam installation site, described vertical beam bottom is provided with some installing holes being convenient to adjust clamp installation site.
3. core size control device under ring-type foundry goods according to claim 1, is characterized in that, described clamp surface is provided with reinforcement gusset.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520658688.2U CN205020786U (en) | 2015-08-28 | 2015-08-28 | Cyclic annular foundry goods core setting size control device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520658688.2U CN205020786U (en) | 2015-08-28 | 2015-08-28 | Cyclic annular foundry goods core setting size control device |
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| CN205020786U true CN205020786U (en) | 2016-02-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105108066A (en) * | 2015-08-28 | 2015-12-02 | 共享铸钢有限公司 | Core setting size control device and method for annular casting |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105108066A (en) * | 2015-08-28 | 2015-12-02 | 共享铸钢有限公司 | Core setting size control device and method for annular casting |
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