CN203568379U - Powder feeding mechanism of calcium powder quantifying machine - Google Patents
Powder feeding mechanism of calcium powder quantifying machine Download PDFInfo
- Publication number
- CN203568379U CN203568379U CN201320702630.4U CN201320702630U CN203568379U CN 203568379 U CN203568379 U CN 203568379U CN 201320702630 U CN201320702630 U CN 201320702630U CN 203568379 U CN203568379 U CN 203568379U
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- powder feeding
- powder
- calcium
- feeding mechanism
- housing
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Abstract
The utility model provides a powder feeding mechanism of a calcium powder quantifying machine. The powder feeding mechanism is simple in structure and reasonable in design, a seal is arranged so that calcium powder can be effectively prevented from entering a shaft end, the sealing effect is good, the reliability of sealing the shaft end is improved, and the service life of the machine is prolonged. The powder feeding mechanism comprises a powder feeding shell. A feeding port is arranged in the upper portion of the powder feeding shell. A powder feeding pipe is arranged on the lower portion of the powder feeding shell. A powder feeding packing auger is horizontally arranged inside the powder feeding pipe. The two ends of the powder feeding packing auger are provided with matched bearings. A discharge port is arranged in one end of the powder feeding pipe. The powder feeding mechanism is characterized in that the position where the shaft end of the powder feeding packing auger makes contact with the powder feeding shell is sleeved with a space ring, and a washer is arranged on one side of the space ring and closely attached to the powder feeding shell.
Description
Technical field
The utility model relates to quantitative mechanical technical field, is specially the powder feeding mechanism of calcium powder quantitative machine.
Background technology
Precoated sand, sand grain surface is covered with molding sand or the core of one deck hardness resin film before moulding, and it is roughing sand that precoated sand mainly adopts the selected natural siliceous sand of high-quality, and adds novolac resin, and curing agent, lubricant, intensifier etc. are raw material.While adopting mixed precoated sand processed of hot method technique, first roughing sand is heated equably, subsequently warmed-up roughing sand and hardness resin are added in puddle mixer and are mixed, resin remains on sand grains and envelopes sand grains after melting.In next stage, add again the urotropine aqueous system and lubricant, the effect of lubricant is to prevent caking, and improving flowing power and the release property of precoated sand. stearic acid calcium powder is a kind of conventional lubricant, the flowing power of the addition of calcium stearate to precoated sand, anticaking capacity, gas forming amount impact is larger, existing calcium powder proportioning device adopts conveyor screw to transport calcium powder conventionally, in the powder feeding mechanism of traditional calcium powder quantitative machine, the sealing effectiveness of axle head is bad, equipment is when work, calcium powder directly contacts with screw shaft, during work, calcium powder can infiltrate screw shaft and bearing junction from the micro gap of housing and screw shaft junction, axle head is caused to damage, powder feeding mechanism is broken down, maintenance of equipment cost and use cost have been increased.
Utility model content
For the problems referred to above, the utility model provides the powder feeding mechanism of calcium powder quantitative machine, and it is simple in structure, reasonable in design, by sealing is set, has effectively prevented that calcium powder from entering axle head, and good sealing effect has improved the reliability of shaft end seal, has extended machine service life.
Its technical scheme is such: it comprises powder feeding housing, the top of described powder feeding housing is provided with inlet point, the bottom of described powder feeding housing is provided with powder feeding pipes, powder feeding auger is horizontally set in described powder feeding pipes, described powder feeding auger two ends are provided with supporting bearing, one end of described powder feeding pipes is provided with discharging opening, it is characterized in that: the axle head of described powder feeding auger and described powder feeding housing contact position are set with spacer ring, and described spacer ring one side is close to described powder feeding housing and is provided with packing ring.
It is further characterized in that: described powder feeding pipes top is provided with paddle device;
Described mixing device comprises shaft, and the two ends that described shaft stretches out powder feeding housing are separately installed with shaft bearing, is arranged at intervals with some paddles on the outer wall of described shaft, and described paddle is arranged vertically between two;
Described powder feeding auger is arranged on the reducing motor of powder feeding housing one side and is controlled rotation;
The axle head of described shaft and described powder feeding auger is separately installed with sprocket wheel, between described sprocket wheel, by chain, connects;
Described sprocket wheel is provided with chain guard shell outward.
Adopt after design of the present utility model, by being arranged on the spacer ring at powder feeding auger two ends, the double hermetic barrier of packing ring, make the path complications of calcium powder intrusion powder feeding auger axle head roundabout, spacer ring has intercepted calcium powder and has contacted with bearing, and packing ring intercepts gap between spacer ring and powder feeding housing again on the basis of spacer ring sealing, has further improved the reliability of sealing, stoped oozing out of calcium powder, make calcium powder be difficult for arrive bearing, so bearing is not fragile, life-span that can effectively extend powder feeding auger; Be arranged on simultaneously and send the shaft device of minute auger top caking in can broken calcium powder, improve the conveying efficiency of powder feeding auger.
Accompanying drawing explanation
Fig. 1 is that master of the present utility model looks schematic diagram;
Fig. 2 is the enlarged diagram at P place in Fig. 1.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described further.
See Fig. 1, Fig. 2, the utility model comprises powder feeding housing 1, the top of powder feeding housing 1 is provided with inlet point 2, the bottom of powder feeding housing 1 is provided with powder feeding pipes 3, powder feeding auger 4 is horizontally set in powder feeding pipes 3, powder feeding auger 4 two ends are provided with supporting bearing 5, one end of powder feeding pipes 3 is provided with discharging opening 6, the axle head of powder feeding auger 4 and powder feeding housing 1 contact position are set with spacer ring 7, spacer ring 7 one sides are close to powder feeding housing 1 and are provided with packing ring 8, powder feeding pipes 3 tops are provided with paddle device, mixing device comprises shaft 9, the two ends that shaft 9 stretches out powder feeding housing 1 are separately installed with shaft bearing 10, on the outer wall of shaft 9, be arranged at intervals with some paddles 11, paddle 11 is arranged vertically between two, powder feeding auger 4 is arranged on the reducing motor 12 of powder feeding housing 1 one sides and is controlled rotation, the axle head of shaft 9 and powder feeding auger 4 is separately installed with sprocket wheel 13, between sprocket wheel 13, by chain (not providing in figure), connect, the outer chain guard shell 14 that is provided with of sprocket wheel 13.
By being arranged on the spacer ring 7 at powder feeding auger 4 two ends, the double hermetic barrier of packing ring 8, make the path complications of calcium powder intrusion powder feeding auger 4 axle heads roundabout, spacer ring 7 has intercepted calcium powder and has contacted with bearing 5, packing ring 8 intercepts gap between spacer ring 7 and powder feeding housing 1 again on the basis of spacer ring 7 sealings, the reliability that has further improved sealing, has stoped oozing out of calcium powder, makes calcium powder be difficult for arriving bearing 5, so life-span that bearing 5 is not fragile, can extend powder feeding auger 4 effectively; Be arranged on simultaneously and send the shaft device of minute auger 4 tops caking in can broken calcium powder, improve the conveying efficiency of powder feeding auger, prevent obstruction.
Claims (6)
1. the powder feeding mechanism of calcium powder quantitative machine, it comprises powder feeding housing, the top of described powder feeding housing is provided with inlet point, the bottom of described powder feeding housing is provided with powder feeding pipes, powder feeding auger is horizontally set in described powder feeding pipes, and described powder feeding auger two ends are provided with supporting bearing, and one end of described powder feeding pipes is provided with discharging opening, it is characterized in that: the axle head of described powder feeding auger and described powder feeding housing contact position are set with spacer ring, described spacer ring one side is close to described powder feeding housing and is provided with packing ring.
2. the powder feeding mechanism of calcium powder quantitative machine according to claim 1, is characterized in that: described powder feeding pipes top is provided with paddle device.
3. the powder feeding mechanism of calcium powder quantitative machine according to claim 2, it is characterized in that: described mixing device comprises shaft, the two ends that described shaft stretches out powder feeding housing are separately installed with shaft bearing, on the outer wall of described shaft, be arranged at intervals with some paddles, described paddle is arranged vertically between two.
4. the powder feeding mechanism of calcium powder quantitative machine according to claim 1, is characterized in that: described powder feeding auger is arranged on the reducing motor of powder feeding housing one side and controls rotation.
5. the powder feeding mechanism of calcium powder quantitative machine according to claim 3, is characterized in that: the axle head of described shaft and described powder feeding auger is separately installed with sprocket wheel, between described sprocket wheel, by chain, connects.
6. the powder feeding mechanism of calcium powder quantitative machine according to claim 5, is characterized in that: described sprocket wheel is provided with chain guard shell outward.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320702630.4U CN203568379U (en) | 2013-11-09 | 2013-11-09 | Powder feeding mechanism of calcium powder quantifying machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320702630.4U CN203568379U (en) | 2013-11-09 | 2013-11-09 | Powder feeding mechanism of calcium powder quantifying machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203568379U true CN203568379U (en) | 2014-04-30 |
Family
ID=50536123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320702630.4U Expired - Fee Related CN203568379U (en) | 2013-11-09 | 2013-11-09 | Powder feeding mechanism of calcium powder quantifying machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203568379U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108163473A (en) * | 2017-12-28 | 2018-06-15 | 胜帮科技股份有限公司 | A kind of powder material conveying device |
-
2013
- 2013-11-09 CN CN201320702630.4U patent/CN203568379U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108163473A (en) * | 2017-12-28 | 2018-06-15 | 胜帮科技股份有限公司 | A kind of powder material conveying device |
| CN108163473B (en) * | 2017-12-28 | 2020-05-12 | 胜帮科技股份有限公司 | Powder material conveying 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 |
Granted publication date: 20140430 Termination date: 20141109 |
|
| EXPY | Termination of patent right or utility model |