CN212524357U - Lining plate structure of autogenous mill and semi-autogenous mill - Google Patents
Lining plate structure of autogenous mill and semi-autogenous mill Download PDFInfo
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- CN212524357U CN212524357U CN202020900269.6U CN202020900269U CN212524357U CN 212524357 U CN212524357 U CN 212524357U CN 202020900269 U CN202020900269 U CN 202020900269U CN 212524357 U CN212524357 U CN 212524357U
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Abstract
The utility model discloses an autogenous mill and semi-autogenous mill welt structure, including the welt main part that is the type of falling T, the disc and autogenous mill and the laminating of semi-autogenous mill barrel inner wall outside the base plate of welt main part, two horizontal sides of welt main part are close to the disc outside its base plate and all are equipped with step one, two longitudinal sides of welt main part are close to the disc outside its base plate and all are equipped with step two or domatic. The utility model discloses a carry out the optimal design to lining plate main part bottom periphery, make the part gap that the barrel inner wall was pressed close to in the gap between the welt reduce, play the effect of protection barrel, enlarge towards the part gap of barrel inner chamber, when the welt main part top metal towards barrel axis receives the impact extension, the part metal of extension enters into in the gap of expansion, it is troublesome to avoid pushing to cause unnecessary because of the metal of clearance hour extension contacts each other, can provide effective protection to mill barrel and bolt, and save the trouble of installation sealing strip.
Description
Technical Field
The utility model relates to an autogenous mill and semi-autogenous mill technical field specifically are an autogenous mill and semi-autogenous mill welt structure.
Background
The existing autogenous mill and semi-autogenous mill lining plate, the peripheral thickness of lining plate is basically the same with the thickness of the middle part of the lining plate, because of the need of protecting the mill cylinder body, the circumferential gap and the longitudinal gap between the lining plates are generally smaller, about 6-40 mm, the lining plate material generally uses high manganese steel material, and is relatively softer, in the process of using the lining plate, due to the continuous impact of ore and medium steel balls, the material with certain depth on the inner surface layer of the lining plate can extend to the periphery, further the gap between the lining plates is 'eaten', the gap between the lining plates disappears, the lining plates are mutually extruded and mutually pushed, the connecting bolt on the lining plate can be cut off seriously, the longitudinal or circumferential overall extending extrusion can also cause the mill cylinder body to bear extra stress, further other hidden dangers are caused, in addition, the disappearance of the gap between the lining plates can.
A utility model patent with publication number of CN 208512689U discloses a liner plate structure of a semi-autogenous mill barrel capable of avoiding barrel damage and bolt fracture, comprising a longitudinal sealing strip, a transverse sealing strip and a barrel liner plate, wherein the barrel liner plate is arranged on the inner surface of the semi-autogenous mill barrel; the peripheral edge of the bottom of the cylinder liner plate is provided with a groove; longitudinal sealing strips are arranged at the longitudinal edges between every two lining plates of the cylinder body; a transverse sealing strip is arranged at the transverse edge between every two lining plates of the cylinder body; through edge sets up the groove all around in welt bottom, form the clearance of falling "eight" font between two sets of welts that the edge cylinder circumference direction is adjacent, form the clearance of falling "eight" font between two sets of welts that the longitudinal direction of barrel inner wall is adjacent equally, it is little to fall "eight" font clearance upper end opening, the lower extreme opening is big, the crowded phenomenon of dying of upper end opening appears easily, do not solve the welt because of the extension of inner surface layer metal, the mutual crowded problem of pushing appears easily between the welt, the difficulty is dismantled in the later stage, and need install longitudinal seal strip when installing the welt, transverse seal strip, the installation is troublesome in earlier stage.
The utility model discloses a utility model patent of publication number CN 108176466A discloses a mill welt convenient to dismouting, the welt is whole to be the T type, T type welt circumferential direction's both sides pterygoid lamina is by the straight flange from inside to outside along radial direction, the outside face of chamfer hypotenuse transition to pterygoid lamina, constitute the outside splayed of macrostoma between the chamfer hypotenuse of two adjacent T type welts, it constitutes the outside splayed of macrostoma between the adjacent two T type welts of barrel circumferential direction, at the use initial stage, the gap between the outside face of the pterygoid lamina of double-phase adjacent T type welt is reasonable, it explains the arrangement mode between the adjacent two welts of edge barrel inner wall circumferential direction, and set up the groove or explain two adjacent welt assembly gaps along barrel inner wall longitudinal direction welt.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is overcome current defect, an autogenous mill and semi-autogenous mill welt structure is provided, carry out the optimal design to welt main part bottom periphery, make the part gap that the barrel inner wall was pressed close to in the gap between the welt reduce, play the effect of protection barrel, the part gap towards the barrel inner chamber enlarges, when welt main part top metal towards barrel axis receives the impact extension, the part metal of extension enters into in the gap of expansion, it pushes away because of the metal of clearance hour extension contacts each other and causes the unnecessary trouble, can provide effective protection to mill barrel and bolt, and save the trouble of installation sealing strip, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an autogenous mill and semi-autogenous mill welt structure, is including the welt main part that is the type of falling T, the outer disc of base plate of welt main part and the laminating of autogenous mill and semi-autogenous mill barrel inner wall, two horizontal opposite flanks of welt main part are close to the outer disc of its base plate and all are equipped with step one, two vertical opposite flanks of welt main part are close to the outer disc of its base plate and all are equipped with step two or domatic.
Preferably, the upper part of the step I is an arc surface which is coaxial with the outer circular surface of the base plate of the lining plate main body.
Preferably, the thickness of the first step, namely the thickness of the outer periphery of the lining plate main body, is h, the width of the first step is g, and g/h is 1-1.5.
Preferably, the thickness of the second step, namely the thickness of the outer periphery of the lining plate main body, is a, the width of the second step is b, and b/a is 1-1.4.
Preferably, the corners of the second step are rounded, and the radius R is 10-20 mm.
Preferably, the ramp comprises a straight edge perpendicular to the inner wall of the barrel of the autogenous mill and semi-autogenous mill and a beveled edge that lifts the strip towards the body of the liner.
Preferably, the included angle between the straight edge and the bevel edge is alpha, and the included angle alpha is 7.5-12 degrees.
Preferably, the lining plate main body is fixed on the inner walls of the cylinder bodies of the autogenous mill and the semi-autogenous mill through bolts, the lining plate main body is provided with a plurality of bolt holes for bolts to penetrate through, and the bolt holes penetrate through the lifting strips and the base plate of the lining plate main body.
Preferably, a plurality of groups of lining plate main bodies are arranged on the inner walls of the cylinder bodies of the autogenous mill and the semi-autogenous mill;
along the circumferential direction of the inner walls of the cylinder bodies of the autogenous mill and the semi-autogenous mill: the width of a reserved gap between the bottom steps of two adjacent groups of lining plate main bodies is c, the c is 5-25 mm, a U-shaped groove or a V-shaped groove with an opening facing the axis of the cylinder body is formed between the two adjacent groups of lining plate main bodies, the width of the U-shaped groove is d, and the d/c is 2.5-4;
along the longitudinal direction of the inner wall of the cylinder body of the autogenous mill and the semi-autogenous mill: the width of a reserved gap between the bottom steps of the two adjacent groups of lining plate main bodies is f, the f is 5-25 mm, a U-shaped groove is formed between the two adjacent groups of lining plate main bodies, the width of the U-shaped groove is e, and the e/f is 2-10.
Compared with the prior art, the beneficial effects of the utility model are that: the autogenous mill and semi-autogenous mill lining plate structure, along the longitudinal direction of cylinder inner wall, two horizontal opposite side bottoms of the lining plate main body have step one, reserve the interval between two adjacent lining plate main bodies while assembling, and the interval between two adjacent lining plate main bodies forms the "U" groove opening towards the cylinder axis; along barrel inner wall circumferential direction, two vertical opposite side bottoms of welt main part are equipped with step two or domatic, reserve the clearance during the assembly between two sets of welt main part bottoms adjacent, and clearance between two sets of adjacent welt main parts forms "U" shape groove or "V" shape groove of opening towards the barrel axis, it is less to press close to the gap between the welt main part of barrel inner wall, gap between the welt main part towards the barrel axis enlarges, when the welt main part top metal towards the barrel axis receives the impact extension, the partial metal of extension enters into in the gap of expansion, avoid pushing because of the metal of clearance hour extension mutually contacts and pushes away and cause unnecessary trouble, can provide effective protection to mill barrel and bolt, and also save the trouble of installation sealing strip.
Drawings
Fig. 1 shows a first embodiment of the lining plate structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure at the position A of the present invention;
FIG. 3 shows a first embodiment of the present invention in an assembled state along the circumferential direction of the cylinder;
FIG. 4 is an enlarged schematic view of the structure at B of the present invention;
FIG. 5 shows a second embodiment of the lining board structure of the present invention;
FIG. 6 is an enlarged schematic view of the structure at the position C of the present invention;
FIG. 7 shows a second embodiment of the present invention in an assembled state along the circumferential direction of the cylinder;
FIG. 8 is an enlarged schematic view of the structure at position D of the present invention;
FIG. 9 is a schematic view showing the longitudinal assembly state of the present invention along the inner wall of the cylinder;
fig. 10 is an enlarged schematic view of the structure at E of the present invention.
In the figure: 1 lining plate main body, 1-1 step I, 1-2 step II, 1-3 slope, 1-31 bevel edge, 1-32 straight edge and 2 bolt holes.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-10, the present invention provides a technical solution: a lining plate structure of an autogenous mill and a semi-autogenous mill comprises a lining plate main body 1 in an inverted T shape, the outer circle surface of a base plate of the lining plate main body 1 is attached to the inner walls of a cylinder body of the autogenous mill and the semi-autogenous mill, two transverse opposite side surfaces of the lining plate main body 1 are provided with a step I1-1 near the outer circle surface of the base plate, two longitudinal opposite side surfaces of the lining plate main body 1 are provided with a step II 1-2 or a slope surface 1-3 near the outer circle surface of the base plate, as shown in figure 1 or figure 5;
as shown in fig. 1 or 5, the upper part of the step I1-1 is an arc surface which is coaxial with the outer circular surface of the base plate of the lining plate main body 1, so that the manufacturing is convenient, the thickness of the step I1-1 is ensured to be consistent, and the strength is also ensured;
as shown in fig. 10, the thickness of the step one 1-1, i.e. the thickness of the outer periphery of the lining plate main body 1, is h, the width of the step one 1-1 is g, g/h is 1-1.5, specifically, h is 12-40 mm, g is 15-45 mm, and the width and the thickness of the step one 1-1 tend to be consistent;
as shown in fig. 4, the thickness of the step two 1-2, i.e. the thickness of the outer periphery of the lining plate main body 1, is a, the width of the step two 1-2 is b, and b/a is 1-1.4, specifically, a is 10-36 mm, b is 15-40 mm, and the width and the thickness of the step two 1-2 tend to be consistent;
as shown in fig. 4, the corners of the second step 1-2 are rounded, and the radius R is 10-20 mm;
as shown in fig. 8, the ramp 1-3 comprises straight edges 1-32 perpendicular to the inner wall of the autogenous mill and semi-autogenous mill cylinder and sloping edges 1-31 that lift the strips towards the liner body 1;
as shown in fig. 8, the included angle between the straight edge 1-32 and the bevel edge 1-31 is alpha, the included angle alpha is larger than half of the friction self-locking angle of the corresponding material, about 7.5-12 degrees, the angle is not too large, and the problem that the service life is not influenced by the insufficient strength of the straight edge 1-32 and the edge of the lining plate main body 1 is avoided;
the lining plate main body 1 is fixed on the inner walls of the cylinder bodies of the autogenous mill and the semi-autogenous mill through bolts, the lining plate main body 1 is provided with a plurality of bolt holes 2 for bolts to penetrate through, and the bolt holes 2 penetrate through the lifting strips and the base plate of the lining plate main body 1;
the inner walls of the cylinder bodies of the autogenous mill and the semi-autogenous mill are provided with a plurality of groups of lining plate main bodies 1;
along the circumferential direction of the inner walls of the cylinder bodies of the autogenous mill and the semi-autogenous mill: the width of a reserved gap between the bottom steps of two adjacent groups of lining plate main bodies 1 is c, the c is 5-25 mm, a U-shaped groove or a V-shaped groove with an opening facing the axis of the cylinder body is formed between the two adjacent groups of lining plate main bodies 1, the width of the U-shaped groove is d, the d/c is 2.5-4, the specific c is 5-25 mm, and the d is 20-70 mm, as shown in fig. 4 or fig. 8;
along the longitudinal direction of the inner wall of the cylinder body of the autogenous mill and the semi-autogenous mill: the width of a reserved gap between the bottom steps of two adjacent groups of lining plate main bodies 1 is f, f is 5-25 mm, a U-shaped groove is formed between the two adjacent groups of lining plate main bodies 1, the width of the U-shaped groove is e, e/f is 2-10, specifically f is 5-25 mm, and e is 20-80 mm, as shown in FIG. 10;
through carrying out optimal design to the periphery of welt main part 1 bottom, the erection space between two sets of welt main parts 1 that the rational arrangement is adjacent, when barrel welt inner chamber top metal receives the impact and extends, the partial metal of extension enters into the gap that enlarges in, avoids pushing because of the metal that extends when the clearance hour contacts each other and pushes away and cause unnecessary trouble, also saves the trouble of installation sealing strip moreover.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made herein without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.
Claims (9)
1. The utility model provides an autogenous mill and semi-autogenous mill welt structure which characterized in that: the automatic grinding and polishing device comprises a reverse T-shaped lining plate main body (1), wherein the outer circular surface of a base plate of the lining plate main body (1) is attached to the inner wall of a cylinder body of an autogenous mill and a semi-autogenous mill, two transverse opposite side surfaces of the lining plate main body (1) are close to the outer circular surface of the base plate and are provided with a first step (1-1), and two longitudinal opposite side surfaces of the lining plate main body (1) are close to the outer circular surface of the base plate and are provided with a second step (1-2) or a slope surface (.
2. An autogenous mill and semi-autogenous mill liner plate construction in accordance with claim 1, wherein: the upper part of the first step (1-1) is an arc surface which is coaxial with the outer circular surface of the substrate of the lining plate main body (1).
3. An autogenous mill and semi-autogenous mill liner plate construction in accordance with claim 1, wherein: the thickness of the first step (1-1), namely the thickness of the outer periphery of the lining plate main body (1), is h, the width of the first step (1-1) is g, and g/h is 1-1.5.
4. An autogenous mill and semi-autogenous mill liner plate construction in accordance with claim 1, wherein: the thickness of the second step (1-2), namely the thickness of the outer periphery of the lining plate main body (1), is a, the width of the second step (1-2) is b, and b/a is 1-1.4.
5. An autogenous mill and semi-autogenous mill liner plate construction in accordance with claim 1, wherein: and corners of the second step (1-2) are rounded, and the radius R is 10-20 mm.
6. An autogenous mill and semi-autogenous mill liner plate construction in accordance with claim 1, wherein: the slope surface (1-3) comprises straight edges (1-32) vertical to the inner walls of the cylinder of the autogenous mill and the semi-autogenous mill and bevel edges (1-31) for lifting the strips towards the lining plate main body (1).
7. An autogenous mill and semi-autogenous mill liner plate construction in accordance with claim 6, wherein: the included angle between the straight edge (1-32) and the bevel edge (1-31) is alpha, and the included angle alpha is 7.5-12 degrees.
8. An autogenous mill and semi-autogenous mill liner plate construction in accordance with claim 1, wherein: the lining plate main body (1) is fixed on the inner walls of the cylinder bodies of the autogenous mill and the semi-autogenous mill through bolts, a plurality of bolt holes (2) for bolts to penetrate are formed in the lining plate main body (1), and the bolt holes (2) penetrate through the lifting strips and the base plate of the lining plate main body (1).
9. An autogenous mill and semi-autogenous mill liner construction as claimed in any one of claims 1 to 8, in which: the inner walls of the cylinder bodies of the autogenous mill and the semi-autogenous mill are provided with a plurality of groups of lining plate main bodies (1);
along the circumferential direction of the inner walls of the cylinder bodies of the autogenous mill and the semi-autogenous mill: the width of a reserved gap between the bottom steps of two adjacent groups of lining plate main bodies is c, the c is 5-25 mm, a U-shaped groove or a V-shaped groove with an opening facing the axis of the cylinder body is formed between the two adjacent groups of lining plate main bodies, the width of the U-shaped groove is d, and the d/c is 2.5-4;
along the longitudinal direction of the inner wall of the cylinder body of the autogenous mill and the semi-autogenous mill: the width of a reserved gap between the bottom steps of the two adjacent groups of lining plate main bodies is f, the f is 5-25 mm, a U-shaped groove is formed between the two adjacent groups of lining plate main bodies, the width of the U-shaped groove is e, and the e/f is 2-10.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020900269.6U CN212524357U (en) | 2020-05-26 | 2020-05-26 | Lining plate structure of autogenous mill and semi-autogenous mill |
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| CN202020900269.6U CN212524357U (en) | 2020-05-26 | 2020-05-26 | Lining plate structure of autogenous mill and semi-autogenous mill |
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| CN212524357U true CN212524357U (en) | 2021-02-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114273027A (en) * | 2021-12-01 | 2022-04-05 | 铜陵有色金属集团铜冠建筑安装股份有限公司 | Method for eliminating gap of magnetic lining plate of ball milling barrel |
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2020
- 2020-05-26 CN CN202020900269.6U patent/CN212524357U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114273027A (en) * | 2021-12-01 | 2022-04-05 | 铜陵有色金属集团铜冠建筑安装股份有限公司 | Method for eliminating gap of magnetic lining plate of ball milling barrel |
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