CN217164690U - Semi-autogenous mill barrel welt - Google Patents
Semi-autogenous mill barrel welt Download PDFInfo
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- CN217164690U CN217164690U CN202220448232.3U CN202220448232U CN217164690U CN 217164690 U CN217164690 U CN 217164690U CN 202220448232 U CN202220448232 U CN 202220448232U CN 217164690 U CN217164690 U CN 217164690U
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- 230000007704 transition Effects 0.000 claims abstract description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 13
- 239000000463 material Substances 0.000 description 11
- 229910000831 Steel Inorganic materials 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 238000005299 abrasion Methods 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000010814 metallic waste Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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Abstract
A semi-autogenous mill barrel lining board, relate to the structural design field of the lining board of the mill, including bottom plate and lifting strip that set up integrally, there are lifting strips extending upwards on the bottom plate, a side of the lifting strip is a lifting side, another side is a non-lifting side, the lifting side includes setting up in the fillet A of one side of upper end surface of the lifting strip, the fillet A underpart has slope section extending to bottom plate and fillet B of transition between bottom end of slope section and bottom plate; the non-lifting side comprises a straight line section which is arranged on the other side of the upper end surface of the lifting bar and extends downwards, and a transition fillet between the lower end of the straight line section and the bottom plate; the fillet A on the lifting side is provided with a convex semicircular patch, the upper end surface of the semicircular patch is semicircular, the outer side surface of the semicircular patch is in an inclined downward extending shape and extends to the inclined section, and a bolt hole arranged from top to bottom is formed in each semicircular patch along the length direction of the lifting strip; the utility model discloses rational in infrastructure, effectively promote welt life.
Description
Technical Field
The utility model belongs to the technical field of mill welt structural design and specifically relates to a semi-autogenous mill barrel welt is related to.
Background
The semi-autogenous mill is one of the most important breaking and grinding equipment in the field of mining industry, achieves the purpose of crushing and grinding materials by utilizing the rotation of the semi-autogenous mill to drive the steel balls and the materials in the mill to move, and is widely applied to the fields of mines, building materials, metallurgy, electric power and the like. The semi-autogenous mill cylinder liner is an important component of the mill, and is assembled in the mill cylinder, on one hand, the semi-autogenous mill cylinder liner plays a role in lifting materials and steel balls, and the materials, the steel balls and the cylinder liner interact with each other to achieve the purpose of crushing and milling the materials; on the other hand, the function of protecting the cylinder body of the mill is achieved, and the impact and abrasion of the mill to the steel ball and the material are avoided.
Along with the large-scale of the mill, on one hand, the feeding granularity of the semi-automatic mill is increased, and simultaneously the diameter of a steel ball in the mill and the linear velocity during throwing are continuously increased, so that the abrasion of a lining plate is aggravated, and the service life of the lining plate is rapidly reduced; on the other hand, the lining plate is large in structure, performance is attenuated due to the thick and large lining plate section, and accelerated abrasion of the lining plate under high-speed impact is caused. As the semi-autogenous mill mostly adopts the unidirectional rotation design, only one side of metal plays a role in lifting, and the other side of the semi-autogenous mill does not basically participate in lifting and grinding, the symmetrical design structure of the existing cylinder liner plate has low metal utilization rate, causes a large amount of metal waste, and poses serious challenges to the environment protection situation.
Disclosure of Invention
In order to overcome the defects in the background art, the utility model discloses a semi-autogenous mill barrel lining plate.
In order to realize the purpose, the utility model adopts the following technical scheme:
a semi-autogenous mill barrel welt, including bottom plate and lifting bar that set up integrally, there are lifting bars extending upwards on the bottom plate, the upper end of the lifting bar is set up as the level, a side of the lifting bar is a lifting side, another side is a non-lifting side, the lifting side includes setting up in the fillet A of one side of upper end of lifting bar, the fillet A underpart has slope section extending to the bottom plate and fillet B of transition between bottom end of slope section and bottom plate; the non-lifting side comprises a straight line section which is arranged on the other side of the upper end surface of the lifting strip and extends downwards, and a transition fillet between the lower end of the straight line section and the bottom plate; be equipped with the semicircle type subsidy of evagination on the fillet A that promotes the side, the up end of semicircle type subsidy sets up to semi-circular, and the lateral surface is slope downwardly extending form, and extends on crossing to the slope section, along the length direction who promotes the strip, the semicircle type subsidy interval is even be provided with a plurality ofly, all is equipped with in every semicircle type subsidy from last bolt hole to setting up down.
The semi-autogenous mill barrel liner plate is characterized in that reinforcing platforms are arranged on the working surfaces at four corners of the upper surface of the bottom plate and are perpendicular to the longitudinal center line of the liner plate, the inner ends of the reinforcing platforms are connected with the lifting strips, the outer ends of the reinforcing platforms are flush with the outer edge of the bottom plate, the thickness of each reinforcing platform is 20-30mm, the width of each reinforcing platform is 100-150mm, and the reinforcing platforms are in 45-degree transition with the bottom plate.
The back surface of the bottom plate of the semi-autogenous mill barrel lining plate is an assembly surface, a strip-shaped groove is arranged on the assembly surface, a plurality of bolt hole mounting platforms concentric with the bolt holes are arranged on the groove, and the depth of the groove is 5-15 mm.
The upper part of the bolt hole of the semi-autogenous mill cylinder liner is in a long groove shape, and the lower half part close to the bottom plate is in a circular shape.
The length of the lifting strip of the semi-autogenous mill cylinder liner is equal to that of the bottom plate.
The diameter of the fillet A is larger than that of the fillet B, and the inclination angle of the lifting side is designed to be 30-35 degrees; the inclination angle of the non-lifting side is designed to be 5-10 degrees, and the thickness of the bottom plate of the lifting side is 10-25mm thicker than that of the non-lifting side.
The semi-autogenous mill barrel lining plate is provided with lifting lugs on the upper end face of the lifting strip.
Since the technical scheme is used, the utility model discloses following beneficial effect has:
the utility model discloses a semi-autogenous mill barrel welt, can install closely on the inner wall of the barrel of semi-autogenous mill, during operation, the promotion side of promotion strip sets up the variable angle, the angle of first half and top fillet A are close with the best promotion angle scope of mill actual operation, can make the welt reach the rated platform of mill fast in the operation initial stage and imitate, reach best promotion angle scope after the angle operation of lower half fillet B reaches the middle and later stages; the material lifting volume between the two lining plates can be increased by reducing the angle of the non-lifting side, so that the lifting efficiency is improved; the utility model discloses rational in infrastructure, under the effective limited condition of height of welt lifting strip, can guarantee that the material is thrown to the ideal position, reduce sliding friction, guarantee that the rated platform of mill middle and later stage is imitated, promote welt life.
Drawings
Fig. 1 is a schematic front view of the present invention.
Fig. 2 is a schematic diagram of the back structure of the present invention.
Fig. 3 is a schematic structural view of the cross section of the present invention.
In the figure: 1. a lifting bar; 2. a lifting side; 3. a non-lifting side; 4. round corners; 5. a base plate; 6. a reinforcing table; 7. a groove; 8. bolt holes; 9. a semicircular patch; 10. a bolt mounting table; 11. lifting lugs; 12. and (6) transition fillets.
Detailed Description
The invention will be explained in more detail by the following examples, the purpose of which is to protect all the technical improvements within the scope of the invention.
The lining plate of the semi-autogenous mill cylinder body, which is described in conjunction with the attached drawings 1-3, comprises a bottom plate 5 and a lifting strip 1 which are integrally arranged, wherein the lifting strip 1 which extends upwards is arranged on the bottom plate 5, the upper end surface of the lifting strip 1 is set to be a plane, one side surface of the lifting strip 1 is a lifting side 2, the other side is a non-lifting side 3, the lifting side 2 comprises a round angle A4 which is arranged on one side of the upper end surface of the lifting strip 1, and the lower end of the round angle A4 is provided with an inclined section which extends towards the bottom plate 5 and a round angle B which is transited between the lower end of the inclined section and the bottom plate 5; the non-lifting side 3 comprises a straight line section which is arranged on the other side of the upper end surface of the lifting strip 1 and extends downwards, and a transition fillet 12 between the lower end of the straight line section and the bottom plate 5; be equipped with the semicircle type subsidy 9 of evagination on the fillet A4 of promotion side 2, the up end of semicircle type subsidy 9 sets up to semi-circular, and the lateral surface is the slope downwardly extending form, and extends on crossing to the slope section, along the length direction of lifting strip 1, and the semicircle type subsidy 9 interval is even is provided with a plurality ofly, all is equipped with from last bolt hole 8 to setting up down in every semicircle type subsidy 9.
The working surfaces at four corners of the upper surface of the bottom plate 5 of the semi-autogenous mill cylinder liner plate are respectively provided with a reinforcing platform 6 which is vertical to the longitudinal central line of the liner plate, the inner end of the liner plate is connected with the lifting strip 1, and the outer end of the liner plate is flush with the outer edge of the bottom plate 5; the thickness of the reinforcing platform 6 is 20-30mm, the width is 100-150mm, and the reinforcing platform and the bottom plate are in 45-degree transition; the reinforcing platforms 6 at the two ends of the working surface of the bottom plate play a role in increasing the structural strength of the bottom plate 5, and the probability of fracture of the bottom plate 5 under the impact action is reduced.
The back surface of the bottom plate 5 of the semi-autogenous mill cylinder liner plate is an assembly surface, a strip-shaped groove 7 is formed in the assembly surface, a plurality of bolt hole mounting platforms 10 concentric with the bolt holes 8 are arranged on the groove 7, and the depth of the groove is 5-15 mm; the bolt is through bolt hole 8 and bolt hole mount table 10 with the welt install on mill barrel inner wall, the recess 7 of bottom plate assembly surface both can reduce welt body weight but also the cooperation area of reducible bottom plate 5 and mill barrel inner wall, do benefit to the welt body and the barrel laminating closely.
The upper part of the bolt hole 8 of the semi-autogenous mill cylinder liner is in a long groove shape, and the lower half part close to the bottom plate 5 is in a circular shape.
The length of the lifting strip 1 of the lining plate of the semi-autogenous mill cylinder is equal to that of the bottom plate 5.
In the semi-autogenous mill cylinder liner plate, the diameter of the fillet A4 is larger than that of the fillet B, and the inclination angle of the lifting side 2 is designed to be 30-35 degrees; the inclination angle of the non-lifting side 3 is designed to be 5-10 degrees, and the thickness of the bottom plate 5 of the lifting side 2 is 10-25mm thicker than that of the non-lifting side.
The semi-autogenous mill barrel lining plate is characterized in that lifting lugs 11 are arranged on the upper end face of the lifting strip 1, and the lifting lugs 11 are used for production, transportation and installation of the lining plate.
When the semi-autogenous mill cylinder liner plate of the utility model is used, bolts are inserted into the bolt holes 8 and the bolt hole mounting table 10, and the liner plate is mounted on the inner wall of the mill cylinder; the length of the lifting strip 1 is equal to that of the bottom plate 5, the lifting side of the lifting strip 1 lifts the steel balls and the materials to a certain height through rotation of the mill and centrifugal force and throws the steel balls and the materials off, the lifting side of the lifting strip 1 is provided with a variable angle, the angle of the upper half part and the optimal lifting angle range of the top fillet A4 are close to the optimal lifting angle range of actual operation of the mill, the lining plate can quickly reach the rated effect of the mill at the initial operation stage, the optimal lifting angle range is reached after the lower half fillet B operates to the middle and later stages, and the materials can be guaranteed to be thrown off to an ideal position under the condition that the effective height of the lining plate lifting strip is limited, so that sliding friction is reduced; the reduction of the non-lifting side angle of the lining plate lifting strip 1 is beneficial to reducing the metal usage amount, lightening the burden of the mill and increasing the actual lifting volume between two lining plates.
The part of the utility model not detailed is prior art.
The embodiments selected for the purpose of disclosing the invention, are presently considered to be suitable, it being understood, however, that the invention is intended to cover all variations and modifications of the embodiments, which fall within the scope of the concept and the utility model.
Claims (7)
1. The utility model provides a semi-autogenous mill barrel welt, includes the bottom plate and the promotion strip of an organic whole setting, characterized by: the lifting side comprises a round angle A arranged on one side of the upper end face of the lifting strip, the lower end of the round angle A is provided with an inclined section extending towards the bottom plate, and a round angle B transiting between the lower end of the inclined section and the bottom plate; the non-lifting side comprises a straight line section which is arranged on the other side of the upper end surface of the lifting bar and extends downwards, and a transition fillet between the lower end of the straight line section and the bottom plate; be equipped with the semicircle type subsidy of evagination on the fillet A that promotes the side, the up end of semicircle type subsidy sets up to semi-circular, and the lateral surface is slope downwardly extending form, and extends on crossing to the slope section, along the length direction who promotes the strip on, the semicircle type subsidy interval is even to be provided with a plurality ofly, every semicircle type subsidy in all be equipped with from last bolt hole to setting up down.
2. The semi-autogenous mill shell liner of claim 1, wherein: all be equipped with the reinforcing platform on the working face in four corners on the bottom plate, and perpendicular with the longitudinal centerline of welt, the inner is connected with the lifting strip, and the outer end is leveled with the outward flange department of bottom plate, and the thickness of reinforcing platform is 20-30mm, and the width is 100 plus 150mm, passes through with bottom plate 45.
3. The semi-autogenous mill shell liner of claim 1, wherein: the back of the bottom plate is an assembly surface, a strip-shaped groove is arranged on the assembly surface, a plurality of bolt hole mounting platforms concentric with the bolt holes are arranged on the groove, and the depth of the groove is 5-15 mm.
4. The semi-autogenous mill shell liner of claim 1, wherein: the upper part of the bolt hole is arranged to be in a long groove shape, and the lower half part close to the bottom plate is in a circular shape.
5. The semi-autogenous mill shell liner of claim 1, wherein: the length of the lifting bar is equal to the length of the bottom plate.
6. The semi-autogenous mill shell liner of claim 1, wherein: the diameter of the fillet A is larger than that of the fillet B, and the inclination angle of the lifting side is designed to be 30-35 degrees; the inclination angle of the non-lifting side is designed to be 5-10 degrees, and the thickness of the bottom plate of the lifting side is 10-25mm thicker than that of the non-lifting side.
7. The semi-autogenous mill shell liner of claim 1, wherein: lifting lugs are arranged on the upper end surface of the lifting strips.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220448232.3U CN217164690U (en) | 2022-03-03 | 2022-03-03 | Semi-autogenous mill barrel welt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220448232.3U CN217164690U (en) | 2022-03-03 | 2022-03-03 | Semi-autogenous mill barrel welt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217164690U true CN217164690U (en) | 2022-08-12 |
Family
ID=82744647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220448232.3U Active CN217164690U (en) | 2022-03-03 | 2022-03-03 | Semi-autogenous mill barrel welt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217164690U (en) |
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2022
- 2022-03-03 CN CN202220448232.3U patent/CN217164690U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240407 Address after: 471000 No. 206, Jianxi, Luoyang District, Henan, Jianshe Road Patentee after: CITIC HEAVY INDUSTRIES Co.,Ltd. Country or region after: China Patentee after: CITIC HEAVY INDUSTRY LUOYANG HEAVY IRON CASTING Co.,Ltd. Patentee after: CITIC Corporation of China Address before: 471000 No. 206, Jianxi, Luoyang District, Henan, Jianshe Road Patentee before: CITIC HEAVY INDUSTRIES Co.,Ltd. Country or region before: China Patentee before: CITIC HEAVY INDUSTRY LUOYANG HEAVY IRON CASTING Co.,Ltd. |
|
| TR01 | Transfer of patent right |