CN204276803U - Precoated sand feed mechanism - Google Patents
Precoated sand feed mechanism Download PDFInfo
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- CN204276803U CN204276803U CN201420723827.0U CN201420723827U CN204276803U CN 204276803 U CN204276803 U CN 204276803U CN 201420723827 U CN201420723827 U CN 201420723827U CN 204276803 U CN204276803 U CN 204276803U
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- sand
- pipeline
- precoated
- discharge pipe
- precoated sand
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Abstract
The utility model proposes a kind of precoated sand feed mechanism, comprise the precoated sand storage tank fixed on the ground, discharge pipe and air blast is connected with in precoated sand storage tank, described discharge pipe is vertically arranged, the lower sand pipeline having level connection joint to arrange is run through in the upper end of described discharge pipe, and in described lower sand pipeline, spaced set has multiple sand export; Described lower sand pipeline is docked by two horizontally disposed hollow round table shape structures and forms, and the large end face of described two hollow round tables docks mutually, and described lower sand pipeline and discharge pipe entirety form " umbrella " type cross section structure; Edge placement near sand export between adjacent sand export in sand pipeline under described every root is provided with baffle plate, and the direction that the height of described baffle plate flows along precoated sand in lower sand pipeline increases progressively successively.The utility model repacking is simple, and easy to operate, cost ineffective rate is high.While reducing the labour intensity of workman, also increase operating efficiency.
Description
Technical field
The utility model relates to metal melting equipment technical field, refers to a kind of precoated sand feed mechanism especially.
Background technology
Precoated sand mainly adopts the selected natural siliceous sand of high-quality to be roughing sand, novolac resin, and methenamine and reinforcing agent are raw material.According to the different technical requirements of user, in curing rate, demoulding, mobility, collapsibility, surface finish of casting, storage etc., suitably adjust proportioning.One of optimum shaping materials such as automobile, tractor, hydraulic part.
Casting is one of fundamental technology of modern mechanical manufacturing industry.Casting is as a kind of metal fever processing technology, progressively ripe in China's development.Strictly speaking Casting Equipment of Machine is exactly utilize this technology Metal Melting to be smelt meet necessarily required liquid and water enter in casting mold, through cooled and solidified, level process after obtain the machinery of the foundry goods of predetermined shape, size and performance.
The sand inlet position of general Casting Equipment is higher, current multiplex artificial interpolation precoated sand, waste time and energy and also operating efficiency not high, the working environment of workman neither be fine.
Utility model content
The utility model proposes a kind of precoated sand feed mechanism, solve sand inlet bit comparison in prior art high, add sand and waste time and energy and the technical problem of precoated sand maldistribution in lower sand pipeline.
The technical solution of the utility model is achieved in that a kind of precoated sand feed mechanism, comprise the precoated sand storage tank fixed on the ground, discharge pipe and air blast is connected with in precoated sand storage tank, described discharge pipe is vertically arranged, the lower sand pipeline having level connection joint to arrange is run through in the upper end of described discharge pipe, and in described lower sand pipeline, spaced set has multiple sand export; Described lower sand pipeline is docked by two horizontally disposed hollow round table shape structures and forms, and the large end face of described two hollow round tables docks mutually, and described lower sand pipeline and discharge pipe entirety form " umbrella " type cross section structure; Edge placement near sand export between adjacent sand export in sand pipeline under described every root is provided with baffle plate, and the direction that the height of described baffle plate flows along precoated sand in lower sand pipeline increases progressively successively.
Wherein, the upper end of described precoated sand storage tank is connected with " V " shape or " U " shape charging aperture.
Particularly, the width of described baffle plate is less than the radius of lower sand pipeline.
Further, described each sand export place is equipped with valve.
Compared with prior art, the beneficial effects of the utility model are: repacking is simple, and easy to operate, cost ineffective rate is high.While reducing the labour intensity of workman, also increase operating efficiency.Simultaneously, because lower sand pipeline is formed by two horizontally disposed hollow round table shape structures docking, and the large end face of twice sand pipelines docks mutually, therefore descending sand pipeline to obtain inner surface is structure downward-sloping gradually, precoated sand enters in lower sand pipeline from discharge nozzle, the two ends flowing of sand pipeline downwards under the effect of gravity and pressure, precoated sand accelerates to slide under the effect of inclined plane, avoid precoated sand to be deposited in out the position of sandpipe near discharge nozzle, and to flow phenomenon not in place away from the precoated sand in sandpipe that goes out of discharge nozzle; In addition, baffle plate plays the effect of stop to precoated sand, and when precoated sand flows into sand export, baffle plate can stop that a part of precoated sand is at sand export, prevents precoated sand from all flowing to out the small end of sandpipe, causes other sand export to shake out uneven phenomenon.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
See Fig. 1, a kind of precoated sand feed mechanism, comprise the precoated sand storage tank 1 fixed on the ground, precoated sand storage tank 1 is connected with discharge pipe 4 and air blast 3, described discharge pipe 4 is vertically arranged, the lower sand pipeline 5 having level connection joint to arrange is run through in the upper end of described discharge pipe 4, and in described lower sand pipeline 5, spaced set has multiple sand export 7; Described lower sand pipeline 5 is docked by two horizontally disposed hollow round table shape structures and forms, and the large end face of described two hollow round tables docks mutually, and described lower sand pipeline 5 forms " umbrella " type cross section structure with discharge pipe 4 entirety; Edge placement near sand export 7 between adjacent sand export 7 in sand pipeline 5 under described every root is provided with baffle plate 6, and the direction that the height of described baffle plate 6 flows along precoated sand in lower sand pipeline 5 increases progressively successively.
The utility model repacking is simple, and easy to operate, cost ineffective rate is high.While reducing the labour intensity of workman, also increase operating efficiency.Simultaneously, because lower sand pipeline 5 is formed by two horizontally disposed hollow round table shape structures docking, and the large end face of twice sand pipelines 5 docks mutually, therefore the inner surface of sand pipeline 5 is descended to be structure downward-sloping gradually, precoated sand enters in lower sand pipeline 5 from discharge nozzle, the two ends flowing of sand pipeline 5 downwards under the effect of gravity and pressure, precoated sand accelerates to slide under the effect of inclined plane, avoid precoated sand to be deposited in out the position of sandpipe near discharge nozzle, and to flow phenomenon not in place away from the precoated sand in sandpipe that goes out of discharge nozzle; In addition, baffle plate 6 pairs of precoated sands play the effect of stop, and when precoated sand flows into sand export 7, baffle plate 6 can stop that a part of precoated sand is at sand export 7, prevents precoated sand from all flowing to out the small end of sandpipe, causes other sand export 7 to shake out uneven phenomenon.
Wherein, the upper end of described precoated sand storage tank 1 is connected with " V " shape or " U " shape charging aperture 2.The setting of V-type or U-shaped charging aperture 2, more firm after charging aperture 2 and material storing box are installed; And it is even to enter sand.
Particularly, the width of described baffle plate 6 is less than the radius of lower sand pipeline 5; The width of baffle plate 6 is less than the radius of sandpipe, makes precoated sand be convenient to flow to out next sand export 7 of sandpipe, reaches the object of evenly casting.
Further, described each sand export 7 place is equipped with valve 8.In the process of work, when not needing into sand, valve-off 8, stops into sand; Open valve 8 when needs enter sand, inject sand, be convenient to control, cast.
The utility model in use, precoated sand is injected from charging aperture 2, under the power of air blast 3, by precoated sand from sand pipeline 5 discharge nozzle feeding, under the effect of the gravity of precoated sand self, the pressure of air blast 3 and discharge nozzle incline structure, precoated sand to two ends flowing, flow to each discharging opening in discharge nozzle; Baffle plate 6 simultaneously near each discharging opening also can stop that some precoated sand is cast for the casting machine corresponding with it; Precoated sand is avoided all to flow to discharge nozzle two ends.Foundry goods is not when needing into sand, and valve-off 8, stops into sand; When needs enter sand, open valve 8, inject sand, be convenient to control, cast, reach the object of accurate feeding.
The utility model also just adopts variable-frequency motor to replace air blast 3 feeding, and variable-frequency motor according to production requirement, can carry out time sharing segment setting variable-frequency motor and export, realize feeding at regular time and quantity.If a feeding cycle is 10s, variable-frequency motor surrounding time section different output power can be set, before setting, 3s exports high-power, output frequency is fast, carry 70% of whole cycle feeding total amount, after setting, 7s exports small-power, output frequency is slow, and 30% remaining material carries out feeding, until one-period feeding completes with comparatively jogging speed, based on this feeding style, because the whole back segment time in cycle is longer, and feeding is comparatively slow, therefore can guarantee the uniformity of each cycle feeding total amount, improve accuracy and the efficiency of feeding, favourable production.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (4)
1. a precoated sand feed mechanism, comprise the precoated sand storage tank (1) fixed on the ground, it is characterized in that: described precoated sand storage tank (1) is connected with discharge pipe (4) and air blast (3), described discharge pipe (4) is vertically arranged, the upper end of described discharge pipe (4) is run through horizontally disposed lower sand pipeline (5), and the interior spaced set of described lower sand pipeline (5) has multiple sand export (7); Described lower sand pipeline (5) is docked by two horizontally disposed hollow round table shape structures and is formed, the large end face of described two hollow round tables docks mutually, and described lower sand pipeline (5) forms " umbrella " type cross section structure with discharge pipe (4) entirety; Edge placement near sand export (7) between adjacent sand export (7) in sand pipeline (5) under described every root is provided with baffle plate (6), and the direction that the height of described baffle plate (6) flows along the interior precoated sand of lower sand pipeline (5) increases progressively successively.
2. precoated sand feed mechanism according to claim 1, is characterized in that: the upper end of described precoated sand storage tank (1) is connected with " V " shape or " U " shape charging aperture (2).
3. precoated sand feed mechanism according to claim 1, is characterized in that: the width of described baffle plate (6) is less than the radius of lower sand pipeline (5).
4. precoated sand feed mechanism according to claim 1, is characterized in that: described each sand export (7) place is equipped with valve (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420723827.0U CN204276803U (en) | 2014-11-26 | 2014-11-26 | Precoated sand feed mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420723827.0U CN204276803U (en) | 2014-11-26 | 2014-11-26 | Precoated sand feed mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204276803U true CN204276803U (en) | 2015-04-22 |
Family
ID=52860000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420723827.0U Expired - Fee Related CN204276803U (en) | 2014-11-26 | 2014-11-26 | Precoated sand feed mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204276803U (en) |
-
2014
- 2014-11-26 CN CN201420723827.0U patent/CN204276803U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20150422 Termination date: 20181126 |