CN104525355A - Combined type wearable impeller - Google Patents
Combined type wearable impeller Download PDFInfo
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- CN104525355A CN104525355A CN201410704034.9A CN201410704034A CN104525355A CN 104525355 A CN104525355 A CN 104525355A CN 201410704034 A CN201410704034 A CN 201410704034A CN 104525355 A CN104525355 A CN 104525355A
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- impeller
- inner sleeve
- combined type
- neck
- connecting portion
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Abstract
The invention provides a combined type wearable impeller. The combined type wearable impeller comprises an inner sleeve, and an impeller body which sleeves the inner sleeve; the inner sleeve comprises a neck part, two connecting parts which axially extend from the upper and lower end surfaces of the neck part along the neck part, and a plurality of limiting parts which are connected to the outer side surface of each connecting part; the impeller body comprises a impeller body pat, and an external connecting part connected to the top end of the impeller body part; a downward through hole is formed in the external connecting part; two clamping blocks are convexly arranged on the wall of the through hole; the side surface of each clamping block, facing another clamping block is a mounting surface; arc-shaped grooves are respectively formed in the upper end and the lower end of each mounting surface; dovetail grooves are formed in the bottom walls of the arc-shaped grooves; each connecting part is clamped between the arc-shaped grooves of the oppositely-arranged two clamping blocks; the limiting parts on the inner sleeve are clamped into the dovetail grooves. According to the combined type wearable impeller, the inner sleeve is independently processed, and the impeller body is processed by embedding and casting, so that the processing processes can be simplified, the difficulty at the processing of the impeller can be reduced, and as a result, the processing efficiency is increased, and the production cost is saved.
Description
Technical field
The present invention relates to a kind of impeller, particularly relate to a kind of combined type abrasion proof impeller.
Background technology
Coal washery more than domestic scale adopts dense medium sorting process to carry out washing coal, and in washing work operational outfit, impeller is the equipment part of its core, and in using in the course of work, magnetic iron powder is as dense media.In the washing course of work, slip, iron powder, material are to the serious wear of impeller.Therefore the problem that actual production exists quick abrasion in running, maintenance cycle is short, maintain and replace is difficult, fitment material consumption is large.
Existing impeller is casting one-shot forming, then by being machined into the part meeting design size and require.Because impeller just must can meet design size requirement by machining, therefore when machine tooling, required workhardness must be met and require just can complete machining.Therefore for ensureing that impeller can be processed, hardness is usually within HRC20.Because its hardness is not enough, therefore not wear-resistant.If but select high abrasion resisting material to cast impeller blank, be difficult to again the requirement realizing machine tooling.Therefore the impeller used in current dense medium washing appliance is not high, not wear-resistant because of its hardness, and cause impeller short for service life, waste is large.
Summary of the invention
Therefore, the object of the present invention is to provide high, the anti abrasive combined type abrasion proof impeller of a kind of hardness.
A kind of combined type abrasion proof impeller, it comprises inner sleeve and is sheathed on the body outside inner sleeve, inner sleeve and body interfix by inlaying forging type, described inner sleeve comprises the neck of a ring-type, from neck upper and lower end face along axially extended two connecting portions of neck and the some limiting sections being connected to every a junction lateral surface, described body comprises the main part of a dome shape, be connected to the external connection portion on main part top, support portion is connected to some blades of main part upper surface and connects the spacer portion of main part bottom and support portion, described blade medial extremity is connected with external connection portion lateral surface, described external connection portion offers the perforation run through downwards, the hole wall of described perforation is convexly equipped with two fixture blocks, each fixture block is installed surface towards the side of another fixture block, the upper and lower two ends of described installed surface offer deep-slotted chip breaker respectively, the groove bottom wall of described deep-slotted chip breaker offers dovetail groove, every a junction is located between the deep-slotted chip breaker of two fixture blocks be oppositely arranged, the limiting section put in described is arranged in dovetail groove.
The beneficial effect of combined type abrasion proof impeller of the present invention is: inner sleeve and body interfix by inlaying forging type, and in the limiting section that puts be arranged in dovetail groove, stablize between guarantee inner sleeve like this and body and be fixedly connected with, reduce the difficulty of processing of Impeller Machining simultaneously, improve working (machining) efficiency, save production cost; In addition, the material that combined type abrasion proof impeller uses does not comprise precious alloy material, and the cost of material is low, adopting compound advantage to achieve can make impeller body wear-resistant, can ensure again accurately to process and install and use, the impeller that its anti-wear performance uses in current washing industry, improve its life-span 5-6 doubly.
Accompanying drawing explanation
Fig. 1 is the three-dimensional assembly diagram of combined type abrasion proof impeller of the present invention.
Fig. 2 is the top view of the abrasion proof impeller of combined type shown in Fig. 1.
Fig. 3 is the structural representation of the inner sleeve of the abrasion proof impeller of combined type shown in Fig. 1.
Fig. 4 is the structural representation of the body of the abrasion proof impeller of combined type shown in Fig. 1.
Fig. 5 is the part cut-away view of the body of the abrasion proof impeller of combined type shown in Fig. 4.
Fig. 6 is the profile along A-A direction of the abrasion proof impeller of combined type shown in Fig. 2.
Detailed description of the invention
In order to make technical scheme of the present invention more clearly show, below in conjunction with accompanying drawing, the invention will be further described.
As shown in Figures 1 to 6, the invention provides a kind of combined type abrasion proof impeller, this combined type abrasion proof impeller comprises inner sleeve 10 and is sheathed on the body 50 outside inner sleeve 10, and inner sleeve 10 and body 50 interfix by inlaying forging type.The material of described inner sleeve 10 is ZG25 steel, and after its quenching, hardness is within HRC6, and toughness value is greater than 120J/CM2, and tensile strength is greater than 1600Mpa, thus after inner sleeve 10 is quenched, hardness meets the processing request of lathe finish turning; Described body 50 material adopts manganese steel material heat-treatment quenching that is high-strength, high abrasion to form; Particularly, the main component of this body 50 material is iron, account for 85 ~ 90% of gross mass, also containing alloying element, the mass fractions such as C, Mn, Si, Mo in the composition of body 50 is 10%-15%, and being less than p and the s element of 0.03, its Technology for Heating Processing is: quench 880 DEG C after * 2 hours, then tempering, tempering process is: 300 DEG C * 3 hours, body 50 hardness after tempering is HRC58 ~ HRC62.
Described inner sleeve 10 comprise a ring-type neck 20, from neck 20 upper and lower end face along axially extended two connecting portions 30 of neck 20 and the some limiting sections 40 being connected to every a junction 30 lateral surface.Described neck 20 and connecting portion 30 are hollow structure.The hollow structure of described neck 20 and connecting portion 30 is linked to be a centre bore 11, the internal diameter of described neck 20 and the internal diameter of connecting portion 30 isometric, the outer neck without leave 20 of described connecting portion 30 increases gradually towards the direction at inner sleeve 10 two ends, the inwall of described neck 20, the inwall of connecting portion 30 all arrange keyway 12, keyway 12 on keyway 12 on the inwall of described neck 20, the inwall of connecting portion 30 is located on the same line, and utilizes keyway 12 to realize fixing between impeller and extraneous rotating shaft with coordinating of the key in extraneous rotating shaft.In the present embodiment, the quantity of the limiting section 40 that every a junction 30 connects is two, with two limiting sections 40 on a junction 30 in being oppositely arranged.Every a junction 30 in interior narrow outer wide wedge structure, the cross-sectional area of this connecting portion 30 increases gradually towards the direction at two ends in the middle part of inner sleeve 10.
Described body 50 comprises the main part 60 of a dome shape, the external connection portion 70 being connected to main part 60 top, support portion 80, is connected to some blades 90 of main part 60 upper surface and connects the spacer portion 100 of main part 60 bottom and support portion 80.Described blade 90 medial extremity is connected with external connection portion 70 lateral surface, and described blade 90 is around external connection portion 70 distribution in swirl shape, and each spacer portion is alignd with blade 90 vertical direction.Described external connection portion 70, in cylindric setting, offers the perforation 71 run through downwards in the middle part of this external connection portion 70.The hole wall of described perforation 71 is convexly equipped with two fixture blocks 72 be oppositely arranged.Each fixture block 72 is installed surface towards the side of another fixture block 72, and the upper and lower two ends of described installed surface offer deep-slotted chip breaker 73 respectively, forms position-arresting part 74 between two deep-slotted chip breakers 73.The groove depth of each deep-slotted chip breaker 73 increases gradually from position-arresting part 74 to fixture block 72 two ends.The groove bottom wall of described deep-slotted chip breaker 73 offers the dovetail groove 75 of outer narrow inner width, and the two side of this dovetail groove 75 is drawn close to position-arresting part 74 direction mutually from fixture block 72 two ends.The center of described support portion 80 offers manhole 81, and described through hole 81 is holded up direction with the axle center of perforation 71 and alignd.
When producing wear-resisting composite impeller of the present invention, first adopt ZG25 steel for inner sleeve 10, the prefabricated body foam model the same with body 50, again body foam model is imbedded in molding sand, ensure consolidation between body foam model and molding sand, then by the perforation of inner sleeve 10 as the external connection portion in body foam model, molding sand is also filled in gap between the perforation of the external connection portion in inner sleeve 10 and body foam model, then abrasion-resistant stee molten steel qualified for smelting component is cast on body foam model at 1560 DEG C ~ 1620 DEG C, and make body foam mock up ignition, the gap stayed after the body foam of abrasion-resistant stee molten steel filling simultaneously mock up ignition, namely described body 50 is formed after the cooling of abrasion-resistant stee molten steel, and body 50 to be set in inner sleeve 10 and fixing, wherein, described inner sleeve 10 is fastened in external connection portion 70, the position-arresting part 74 of described body 50 is arranged between two connecting portions 30, this position-arresting part 74 is sheathed on the lateral surface of neck 20, every a junction 30 is located between the deep-slotted chip breaker 73 of two fixture blocks 72 be oppositely arranged, limiting section 40 in described inner sleeve 10 is arranged in dovetail groove 75, described through hole 81, direction alignment is holded up in the axle center of centre bore 11 and perforation 71.
The beneficial effect of combined type abrasion proof impeller of the present invention is: inner sleeve 10 and body 50 interfix by inlaying forging type, and the limiting section 40 in inner sleeve 10 is arranged in dovetail groove 75, stablize between guarantee inner sleeve 10 like this and body 50 and be fixedly connected with, after body 50 adopts quenching, tempering simultaneously, its hardness brings up to HRC58 ~ HRC62, realizes anti abrasive needs.Impeller body inner sleeve 10 adopts low-carbon steel material, and quenching, temper number are within HRC6, and toughness value is greater than 120J/CM2, tensile strength is greater than 1600Mpa, the lathe fine finishining demand of spindle nose inner sleeve 10 can be realized, guarantee that Impeller Machining size is accurate, be convenient to accurately be arranged on washing appliance.The material that combined type abrasion proof impeller uses does not comprise precious alloy material, the cost of material is low, adopts compound advantage to achieve and impeller body can be made wear-resistant, can ensure again accurately to process and install and use, the impeller that its anti-wear performance uses in current washing industry, improves its life-span 5-6 doubly.
The above embodiment only have expressed one embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (6)
1. a combined type abrasion proof impeller, it is characterized in that: it comprises inner sleeve and is sheathed on the body outside inner sleeve, inner sleeve and body interfix by inlaying forging type, described inner sleeve comprises the neck of a ring-type, from neck upper and lower end face along axially extended two connecting portions of neck and the some limiting sections being connected to every a junction lateral surface, described body comprises the main part of a dome shape, be connected to the external connection portion on main part top, support portion is connected to some blades of main part upper surface and connects the spacer portion of main part bottom and support portion, described blade medial extremity is connected with external connection portion lateral surface, described external connection portion offers the perforation run through downwards, the hole wall of described perforation is convexly equipped with two fixture blocks, each fixture block is installed surface towards the side of another fixture block, the upper and lower two ends of described installed surface offer deep-slotted chip breaker respectively, the groove bottom wall of described deep-slotted chip breaker offers dovetail groove, every a junction is located between the deep-slotted chip breaker of two fixture blocks be oppositely arranged, the limiting section put in described is arranged in dovetail groove.
2. combined type abrasion proof impeller as claimed in claim 1, is characterized in that: the material of described inner sleeve is ZG25 steel, and described body material is the manganese steel material of heat-treatment quenching.
3. combined type abrasion proof impeller as claimed in claim 1, it is characterized in that: the groove depth of described deep-slotted chip breaker increases to fixture block two ends gradually from position-arresting part, position-arresting part is formed between two deep-slotted chip breakers, the outer neck without leave of described connecting portion increases gradually towards the direction at inner sleeve two ends, and the position-arresting part of described body is arranged between two connecting portions.
4. combined type abrasion proof impeller as claimed in claim 1, it is characterized in that: described neck and connecting portion are hollow structure, the hollow structure of described neck and connecting portion is linked to be a centre bore, the center of described support portion offers manhole, and direction alignment is holded up in the axle center of described through hole, centre bore and perforation; The inwall of described neck, the inwall of connecting portion all arrange keyway, keyway on keyway on the inwall of described neck, the inwall of connecting portion is located on the same line, and utilizes keyway to realize fixing between impeller and extraneous rotating shaft with coordinating of the key in extraneous rotating shaft.
5. combined type abrasion proof impeller as claimed in claim 1, is characterized in that: described connecting portion is interior narrow outer wide wedge structure, and described dovetail groove is the dovetail shaped of outer narrow inner width, corresponding with connecting portion.
6. combined type abrasion proof impeller as claimed in claim 1, it is characterized in that: the cross-sectional area of this connecting portion increases gradually towards the direction at two ends in the middle part of inner sleeve, the two side of described dovetail groove is drawn close to position-arresting part direction mutually from fixture block two ends, corresponding with connecting portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410704034.9A CN104525355A (en) | 2014-11-30 | 2014-11-30 | Combined type wearable impeller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410704034.9A CN104525355A (en) | 2014-11-30 | 2014-11-30 | Combined type wearable impeller |
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| Publication Number | Publication Date |
|---|---|
| CN104525355A true CN104525355A (en) | 2015-04-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410704034.9A Pending CN104525355A (en) | 2014-11-30 | 2014-11-30 | Combined type wearable impeller |
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| CN (1) | CN104525355A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105126989A (en) * | 2015-07-01 | 2015-12-09 | 王丽 | Bucket wheel type sand washer washing turbine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2924093Y (en) * | 2005-11-28 | 2007-07-18 | 宜兴市宙斯泵业有限公司 | Combined wear-resisting impeller |
| CN101417333A (en) * | 2008-12-03 | 2009-04-29 | 西安建筑科技大学 | Preparation method of native column/zonal hard phase composite abrasion proof impeller |
| CN201433900Y (en) * | 2009-07-16 | 2010-03-31 | 王建华 | High abrasion-resistant non-clogging pump |
| CN204486018U (en) * | 2014-11-30 | 2015-07-22 | 石嘴山市金圣机械制品厂 | Combined type abrasion proof impeller |
-
2014
- 2014-11-30 CN CN201410704034.9A patent/CN104525355A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2924093Y (en) * | 2005-11-28 | 2007-07-18 | 宜兴市宙斯泵业有限公司 | Combined wear-resisting impeller |
| CN101417333A (en) * | 2008-12-03 | 2009-04-29 | 西安建筑科技大学 | Preparation method of native column/zonal hard phase composite abrasion proof impeller |
| CN201433900Y (en) * | 2009-07-16 | 2010-03-31 | 王建华 | High abrasion-resistant non-clogging pump |
| CN204486018U (en) * | 2014-11-30 | 2015-07-22 | 石嘴山市金圣机械制品厂 | Combined type abrasion proof impeller |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105126989A (en) * | 2015-07-01 | 2015-12-09 | 王丽 | Bucket wheel type sand washer washing turbine |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150422 |