CN203540657U - Throw stub bar, impeller and impact system sand machine - Google Patents
Throw stub bar, impeller and impact system sand machine Download PDFInfo
- Publication number
- CN203540657U CN203540657U CN201320698886.2U CN201320698886U CN203540657U CN 203540657 U CN203540657 U CN 203540657U CN 201320698886 U CN201320698886 U CN 201320698886U CN 203540657 U CN203540657 U CN 203540657U
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- face
- overlay cladding
- matrix
- thrower head
- buildup
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- 239000004576 sand Substances 0.000 title claims abstract description 18
- 239000011159 matrix material Substances 0.000 claims abstract description 51
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 30
- 239000010959 steel Substances 0.000 claims abstract description 30
- 239000000463 material Substances 0.000 claims abstract description 28
- 238000004519 manufacturing process Methods 0.000 claims abstract description 15
- 238000005253 cladding Methods 0.000 claims description 58
- 230000007704 transition Effects 0.000 claims description 26
- 238000005266 casting Methods 0.000 claims description 25
- 230000002093 peripheral effect Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 7
- 230000006978 adaptation Effects 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000000758 substrate Substances 0.000 abstract 1
- 239000002994 raw material Substances 0.000 description 13
- 238000003466 welding Methods 0.000 description 6
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 5
- 229910052700 potassium Inorganic materials 0.000 description 5
- 239000011591 potassium Substances 0.000 description 5
- 229910000599 Cr alloy Inorganic materials 0.000 description 4
- 239000000788 chromium alloy Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229910001018 Cast iron Inorganic materials 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a throw stub bar, including base member (1) and the carbide body (2), be formed with the recess on base member (1) global, the carbide body (1) embedding is in the recess, wherein, base member (1) is the steel matrix, is formed with the surfacing layer on this steel matrix global. The utility model also discloses an impeller and an impact system sand machine including this impeller of throwing the stub bar including above-mentioned. The utility model discloses a throw the stub bar and adopt the steel that has better comprehensive mechanical properties as base material ingeniously to through forming the surfacing layer on the steel substrate, realized throwing the perfect adaptation of stub bar toughness and wearability, reduced manufacturing cost, prolonged life.
Description
Technical field
The utility model relates to sand machine processed field, particularly, relates to a kind of thrower head, has impeller and the impact sand production machine of this thrower head.
Background technology
Impeller is as the core component of impact sand production machine, and its performance has determined the performance of sand machine processed.Wherein, the life-span of the wearing piece of impeller, the especially wear-out life of the worst thrower head of wear working condition directly affect service life and the performance of impeller.
Impact and the wearing and tearing to its generation while dishing out that thrower head bears high speed raw material also will be born in the crusher chamber of sand machine processed impact and wearing and tearing to its generation when part material returns simultaneously, therefore its service life often not long, manufacturing cost and use cost is all higher.
The thrower head of prior art is mainly divided into two kinds, and a kind of is thrower head take high-chromium alloy cast-iron as matrix, and another kind is the thrower head take potassium steel as matrix.Thrower head take high-chromium alloy cast-iron as matrix, because apparent, the underbead crack of the generations such as casting flaw easily make thrower head fracture, thereby cause the accident, and cost is higher.Thrower head take potassium steel as matrix, owing to there is no intense impact, therefore strong not to the shock peening effect of potassium steel, cause matrix wearing and tearing very fast, cost is higher.
By the finite element analysis to sand machine inner chamber processed and to the thrower head after using, analyze, find that the wearing and tearing that thrower head produces are concentrated wear, and concentrated wear causes thrower head entirety to be scrapped, and causes the waste of material.And the thrower head of prior art all can not field repair, there is concentrated wear also helpless.
Utility model content
The purpose of this utility model is to provide a kind of thrower head, and the manufacturing cost of this thrower head is lower, anti-wear performance is better.
To achieve these goals, the utility model provides a kind of thrower head, comprises matrix and cemented carbide body, on the side face of matrix, is formed with groove, and cemented carbide body is embedded in groove, and wherein, matrix is steel matrix, on the side face of this steel matrix, is formed with overlay cladding.
Preferably, overlay cladding comprises the first overlay cladding and the second overlay cladding, the second overlay cladding is formed in the part of close cemented carbide body of the side face of steel matrix, the first overlay cladding is formed in the part away from cemented carbide body of side face of steel matrix, and the thickness of the second overlay cladding is greater than the thickness of the first overlay cladding.
Preferably, matrix comprises interconnective installation portion and operate portions, and the first overlay cladding and the second overlay cladding are formed on the outer peripheral face of operate portions.
Preferably, the both sides of cemented carbide body are formed with transition region, a part for the outer peripheral face that this transition region is operate portions, and cemented carbide body separates by transition region and overlay cladding.
Preferably, the outer peripheral face of operate portions comprises buildup face, material casting face and the back side along the circumferential arrangement of operate portions, material casting face is between buildup face and the back side, groove and transition region are formed on material casting face, overlay cladding covers on buildup face, the back side, and in the part except groove and transition region of the material casting face of covering.
Preferably, the second overlay cladding comprises Part I and the Part II that thickness is equal, Part I extends to the intersection of buildup face and installation portion from the transition region of the side near buildup face, Part II at least extends to the intersection at material casting face and the back side from the transition region of the side away from buildup face.
Preferably, Part II extends to the back side from the transition region of the side away from described buildup face, to cover the part at the back side.
Preferably, the length ratio of the length of Part I or the length of Part II and matrix is 1/2～1/3.
The utility model also provides a kind of impeller, and this impeller comprises thrower head as above.
The utility model also provides a kind of impact sand production machine, this impact sand production machine impeller as above.
Thrower head of the present utility model adopts the steel with good comprehensive mechanical performance as matrix material originally, and by form overlay cladding in steel matrix, realize the perfect adaptation of thrower head toughness and wearability, reduced manufacturing cost, extended service life.
Other feature and advantage of the present utility model are described in detail the specific embodiment part subsequently.
Accompanying drawing explanation
Accompanying drawing is to be used to provide further understanding of the present utility model, and forms a part for description, is used from explanation the utility model, but does not form restriction of the present utility model with the specific embodiment one below.In the accompanying drawings:
Fig. 1 looks cutaway view according to the master of the thrower head of a kind of embodiment of the present utility model;
Fig. 2 is the upward view of Fig. 1;
Fig. 3 is the top view of Fig. 1;
Fig. 4 is the enlarged drawing of the A part in Fig. 1.
Description of reference numerals
1 matrix 11 operate portions 111 buildup face 1111 tops
1112 112 material casting face 1121,1122 transition region 113 back sides, bottoms
114 fitting surface 12 installation portion 2 cemented carbide body 3 first overlay claddings
4 second overlay cladding 41 Part I 42 Part II
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is elaborated.Should be understood that, the specific embodiment described herein only, for description and interpretation the utility model, is not limited to the utility model.
In the utility model, in the situation that not doing contrary explanation, the noun of locality of use is all that the normal situation about using of thrower head providing at the utility model is undefined as " upper and lower, ", particularly can referring to figs. 2 and 3 page.In addition, the length direction of thrower head matrix can referring to figs. 2 and 3 the above-below direction of drawing.
As shown in Figure 1, the utility model provides a kind of thrower head on the one hand, comprises matrix 1 and cemented carbide body 2, on the side face of described matrix 1, be formed with groove, described cemented carbide body 1 is embedded in described groove, wherein, described matrix 1 is steel matrix, on the side face of this steel matrix, is formed with overlay cladding.Described cemented carbide body 2 can extend to the other end from one end of described matrix 1 along the length direction of described matrix 1.
Technique scheme be it will be appreciated that, different with the thrower head take potassium steel as matrix from the thrower head take high-chromium alloy cast-iron as matrix of prior art, thrower head of the present utility model adopts the steel with good comprehensive mechanical performance as matrix material originally, and by form overlay cladding in steel matrix, realized the perfect adaptation of thrower head toughness and wearability, reduce manufacturing cost, extended service life.
In addition, because steel matrix and overlay cladding all possess good recoverability, therefore, when there are wearing and tearing in thrower head of the present utility model, can be by fill the abrading section of steel matrix with structure wlding, and then multiple at the enterprising windrow repair welding of steel matrix, thereby further extended service life of thrower head.
In order to protect better cemented carbide body 2, prevent from causing cemented carbide body 2 to depart from from groove because of near overlay cladding wearing and tearing cemented carbide body 2, preferably, can be by the part thickening of the close cemented carbide body 2 of overlay cladding, particularly, described overlay cladding can comprise the first overlay cladding 3 and the second overlay cladding 4, described the second overlay cladding 4 is formed in the part of close described carbide ring 2 of the side face of described steel matrix, described the first overlay cladding 3 is formed in the part away from described carbide ring 2 of side face of described steel matrix, the thickness of described the second overlay cladding 4 is greater than the thickness of described the first overlay cladding 3.
As shown in Figure 1, thrower head matrix generally include for bear raw material impact operate portions 11 and for thrower head being installed to the installation portion 12 on impeller (not shown).Because operate portions 11 is parts that thrower head mainly withstands shocks, therefore, in thrower head of the present utility model, described overlay cladding is formed on the outer peripheral face of described operate portions 11, to improve the wearability of operate portions 11.
Fig. 4 is the enlarged drawing of the A part in Fig. 1; as shown in Figure 4; the both sides of described cemented carbide body 2 are formed with transition region 1121,1122; and this transition region is a part (being not form described overlay cladding in described transition region) for the outer peripheral face of described operate portions 11; described cemented carbide body 2 separates by described transition region 1121,1122 and described overlay cladding, to realize protection cemented carbide body 2, to prevent the object that overlay cladding comes off.
Below, in order more clearly to describe the utility model, the surface that the operate portions of thrower head 11 is easily produced in the course of the work to raw material accumulation is defined as buildup face, the surface that raw material is cast aside is from it defined as material casting face, the surface that deviates from the raw material in impeller is defined as to the back side, the surface contacting with impeller is defined as to fitting surface with the surface of assembling.
As shown in Figure 1, the outer peripheral face of described operate portions 11 can comprise along the buildup face 111 of the circumferential arrangement of described operate portions 11, material casting face 112, the back side 113 and fitting surface 114, described material casting face 112 is between described buildup face 111 and the described back side 113, described groove and described transition region 1121,1122 are formed on described material casting face 112, described overlay cladding can cover on described buildup face 111, the described back side 113, and can cover in the part except described groove and described transition region 1121,1122 of described material casting face 112.
Here it should be noted that, when the raw material in impeller is dished out under centrifugal action from impeller, conventionally along the direction from buildup face 111 to material casting face 112, flow, finally from material casting face 112 and the intersection at the back side 113, dish out, the raw material of dishing out enters in the crusher chamber (not shown) of sand machine processed and carries out break process, and the part entering in the raw material in crusher chamber can produce backflow, thereby beat the back side 113 in operate portions 11, the back side 113 is impacted and worn and torn.Therefore, need to be on buildup face 111, material casting face 112 and the back side 113 built-up welding overlay cladding, thereby protect this three faces.Because fitting surface 114 plays assembling effect, its department of assembly on impeller that directly fits, therefore, need to be in the enterprising windrow weldering of fitting surface 114.
Mention above, by the finite element analysis to sand machine inner chamber processed and to the thrower head after using, analyze, find that the wearing and tearing that thrower head produces are concentrated wear.More specifically, this concentrated wear concentrates on the surface that raw material is flowed through in the process of dishing out, i.e. buildup face 111 and material casting face 112.Therefore, can thicken processing to the overlay cladding on buildup face 111 and material casting face 112, further to improve wearability.
Particularly, described overlay cladding comprises the first overlay cladding 3 and the second overlay cladding 4, the thickness of described the second overlay cladding 4 is greater than the thickness of described the first overlay cladding 3, described the second overlay cladding 4 comprises Part I 41 and the Part II 42 that thickness is equal, described Part I 41 extends to the intersection of described buildup face 111 and described installation portion 12 from the described transition region 1121 of the side near described buildup face 111, described Part II 42 at least extends to the intersection at described material casting face 112 and the described back side 113 from the described transition region 1122 of the side away from described buildup face 111.
As mentioned above, in sand machine processed, the part entering in the raw material of crusher chamber can produce backflow, thereby beat the back side 113 in operate portions 11, the back side 113 is impacted and worn and torn, and more specifically, the raw material of backflow is mainly beaten overleaf in 113 the part of close material casting face 112.Therefore; in order to protect better the wearability of part that backflow raw material impacts of bearing at the back side 113; preferably; as shown in figures 1 and 3; described Part II 42 extends to the described back side 113 from the described transition region 1122 of the side away from described buildup face 111, to cover the part at the described back side 113.
The length of the length of Part I 41 and Part II 42 can have equal or unequal length, and the utility model is not restricted this.But, consider the convenience of processing, preferably, as shown in Figures 2 and 3, the length of described Part I 41 and described Part II 42 equal in length.More preferably, described Part I 41 is concordant each other along the length direction of described matrix 1 with described Part II 42, to be easy to processing.
Further, when thrower head is arranged in impeller, the upper end along its length of thrower head and bottom are provided with upper reaches guidance tape and dirty guidance tape (all not shown) conventionally accordingly, therefore, than the middle part of thrower head, the impact that bear described upper end and bottom less.And raw material is casting aside in process, and due to Action of Gravity Field, its height can decline.Therefore, in order to save resurfacing welding material, improve the utilization rate of resurfacing welding material, preferably, as shown in Figure 2, the second overlay cladding 4 is formed on the middle part along its length of thrower head, and described buildup face 111 comprises the top 1111 that is positioned at described Part I 41 tops and the bottom 1112 that is positioned at described Part I 41 belows, and the length on described top 1111 is greater than the length of described bottom 1112.
More specifically, the length of the length of described Part I 41 or described Part II 42 and the length ratio of described matrix 1 can be 1/2～1/3.
According on the other hand of the present utility model, a kind of impeller is provided, this impeller comprises according to thrower head of the present utility model.
According to of the present utility model, provide a kind of impact sand production machine also on the other hand, this impact sand production machine comprises according to impeller of the present utility model.
The utility model has overcome technology prejudice, and adopting the steel with better comprehensive mechanical performance is matrix, and at the overlay cladding of surface overlaying high-wearing feature.Compare the thrower head of tradition take high-chromium alloy, potassium steel as matrix, thrower head manufacturing cost of the present utility model reduces, and improve service life.The structure of steel matrix top layer built-up welding has realized the perfect adaptation of thrower head toughness and wearability, at thrower head position thickening easy to wear overlay cladding, realizes the design of thrower head each several part equivalent life, has promoted stock utilization, has reduced use cost.Overlay cladding can on-the-spot built-up welding reparation after wearing and tearing, has further extended thrower head service life.
Below describe by reference to the accompanying drawings preferred embodiment of the present utility model in detail; but; the utility model is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
It should be noted that in addition each the concrete technical characterictic described in the above-mentioned specific embodiment, in reconcilable situation, can combine by any suitable mode.For fear of unnecessary repetition, the utility model is to the explanation no longer separately of various possible combinations.
In addition, between various embodiment of the present utility model, also can be combined, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (10)
1. a thrower head, comprises matrix (1) and cemented carbide body (2), on the side face of described matrix (1), is formed with groove, described cemented carbide body (2) is embedded in described groove, it is characterized in that, described matrix (1) is steel matrix, on the side face of this steel matrix, is formed with overlay cladding.
2. thrower head according to claim 1, it is characterized in that, described overlay cladding comprises the first overlay cladding (3) and the second overlay cladding (4), described the second overlay cladding (4) is formed in the part of close described cemented carbide body (2) of the side face of described steel matrix, described the first overlay cladding (3) is formed in the part away from described cemented carbide body (2) of side face of described steel matrix, and the thickness of described the second overlay cladding (4) is greater than the thickness of described the first overlay cladding (3).
3. thrower head according to claim 2, it is characterized in that, described matrix (1) comprises interconnective installation portion (12) and operate portions (11), and described the first overlay cladding (3) and described the second overlay cladding (4) are formed on the outer peripheral face of described operate portions (11).
4. thrower head according to claim 3, it is characterized in that, the both sides of described cemented carbide body (2) are formed with transition region (1121,1122), this transition region is a part for the outer peripheral face of described operate portions (11), and described cemented carbide body (2) separates by described transition region (1121,1122) and described overlay cladding.
5. thrower head according to claim 4, it is characterized in that, the outer peripheral face of described operate portions (11) comprises the buildup face (111) along the circumferential arrangement of described operate portions (11), material casting face (112) and the back side (113), described material casting face (112) is positioned between described buildup face (111) and the described back side (113), described groove and described transition region (1121, 1122) be formed on described material casting face (112), described overlay cladding covers described buildup face (111), on the described back side (113), and cover described material casting face (112) except described groove and described transition region (1121, 1122) in the part outside.
6. thrower head according to claim 5, it is characterized in that, described the second overlay cladding (4) comprises the Part I that thickness is equal (41) and Part II (42), described Part I (41) extends to the intersection of described buildup face (111) and described installation portion (12) from the described transition region (1121) of the side near described buildup face (111), described Part II (42) at least extends to the intersection at described material casting face (112) and the described back side (113) from the described transition region (1122) of the side away from described buildup face (111).
7. thrower head according to claim 6, is characterized in that, described Part II (42) extends to the described back side (113) from the described transition region (1122) of the side away from described buildup face (111), to cover a part for the described back side (113).
8. thrower head according to claim 6, is characterized in that, the length of the length of described Part I (41) or described Part II (42) and the length ratio of described matrix (1) are 1/2～1/3.
9. an impeller, is characterized in that, described impeller comprises according to the thrower head described in any one in claim 1-8.
10. an impact sand production machine, is characterized in that, described impact sand production machine comprises impeller according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320698886.2U CN203540657U (en) | 2013-11-06 | 2013-11-06 | Throw stub bar, impeller and impact system sand machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320698886.2U CN203540657U (en) | 2013-11-06 | 2013-11-06 | Throw stub bar, impeller and impact system sand machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203540657U true CN203540657U (en) | 2014-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320698886.2U Expired - Lifetime CN203540657U (en) | 2013-11-06 | 2013-11-06 | Throw stub bar, impeller and impact system sand machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203540657U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104437756A (en) * | 2014-11-18 | 2015-03-25 | 中联重科股份有限公司 | Wear-resistant impact plate hammer of impact stone crusher and impact stone crusher |
-
2013
- 2013-11-06 CN CN201320698886.2U patent/CN203540657U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104437756A (en) * | 2014-11-18 | 2015-03-25 | 中联重科股份有限公司 | Wear-resistant impact plate hammer of impact stone crusher and impact stone crusher |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140416 |
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| CX01 | Expiry of patent term |