CN211612946U - High-impact wear-resistant lining plate of semi-autogenous mill - Google Patents
High-impact wear-resistant lining plate of semi-autogenous mill Download PDFInfo
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- CN211612946U CN211612946U CN201922035921.2U CN201922035921U CN211612946U CN 211612946 U CN211612946 U CN 211612946U CN 201922035921 U CN201922035921 U CN 201922035921U CN 211612946 U CN211612946 U CN 211612946U
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- welt
- mounting hole
- autogenous mill
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Abstract
The utility model discloses a wear-resisting welt of high impact of semi-autogenous mill, it includes the welt body, be provided with the mounting hole on the welt body, be provided with installation contact surface and conical locating surface on the mounting hole. The utility model discloses at first at adopting rectangular shape, can not rotate during the installation, part the contact surface and the locating surface of welt mounting hole, rectangular hole bottom adopts lathe equipment to process into the plane installation face contact of being convenient for, and taper groove is adopted to process on the middle screw hole, plays the positioning action. After the flat head is separated, the contact surface is enlarged, the stability of the fixing surface is guaranteed, and the liner plate cannot fall off due to the taper of the fixing surface even if the flat head is broken. The structure molding is simple, but the machining molding is relatively simple.
Description
Technical Field
The utility model relates to a wear-resisting welt processing technology field, concretely relates to wear-resisting welt of high impact of semi-autogenous mill.
Background
The model of common semi-autogenous mills (including autogenous mills) is dozens of models 5-14 meters, the diameter and the length of each semi-autogenous mill cylinder are different, each semi-autogenous mill has dozens of lining plates with different sizes and models, and the lining plates are connected with the cylinder by screws.
The diameter of the semi-autogenous mill is large, the thickness of the lining plate is 30-400mm, the installation adopts a flat head bolt, the flat head is arranged in the lining plate, the screw thread of the bolt is arranged outside the cylinder body, the flat head bolt can not rotate when the nut is installed, and the lining plate and the cylinder body can not be loosened conveniently.
As shown in fig. 4 and 5: at present, the semi-autogenous grinding lining plate is basically formed by casting, screw mounting holes are formed in the lining plate, the forming is simple, and subsequent machining is not needed. The mounting hole is formed, a rectangular hole is formed in the upper portion of the lining plate, a certain conical gradient is arranged at two ends of the bottom of the hole, and a round hole close to the width of the long hole is formed in the middle of the hole. The flat head bolt structure has a rectangular shape, two ends of the flat head are provided with certain arcs, the lower surface of the flat head is provided with a conical gradient, and the gradient plays a role in a contact surface and a positioning role.
The prior cast semi-autogenous grinding lining plate is not ideal in the application process, China is in the reform upgrading stage of products, the prior cast lining plate can not meet the prior application requirements, the shape of the prior cast product is adopted, the processing difficulty of the flat head with the taper at two ends is very large on the upgrading forging product, and a large amount of time and process are wasted.
The inventor finds that at least the following technical problems exist on the mounting holes and bolts of the lining plate of the existing semi-autogenous mill in the long-term use process:
at present, two ends of the bottom of a rectangular mounting hole of a semi-autogenous grinding lining plate are provided with tapers, casting forming is relatively simple, the contact surface and the positioning surface of a bolt and the lining plate adopt rectangular conical surfaces at two ends to solve the problem, the fracture of the root of a screw rod and a flat head sometimes can also occur to cause the problem of liner plate falling, and the bolt is relatively simple in forging and forming by adopting a grinding tool.
If the forging forming is adopted, the boring machine is required to be adopted to process the two-end taper, the processing time is at least 5-10 hours, and a great deal of time is wasted. And also solves the problem that the lining plate can not fall off after the fracture.
Disclosure of Invention
The utility model discloses a solve above-mentioned problem, the utility model discloses an inventor has offered a semi-autogenous mill high impact wear-resisting welt through long-term experiment investigation, and this welt adopts forging and pressing shaping to design unique structure, solved effectively that the preparation is long, easy fracture technical problem such as drops.
In order to realize the purpose, the utility model discloses the technical scheme who adopts is:
the utility model provides a wear-resisting welt of high impact of semi-autogenous mill, its includes the welt body, be provided with the mounting hole on the welt body, be provided with installation contact surface and conical locating surface on the mounting hole.
According to the utility model provides a wear-resisting welt of high impact of semi-autogenous mill, its further preferred technical scheme is: the mounting structure further comprises a mounting screw rod, the screw rod is assembled on the mounting hole of the lining plate, and a contact surface and a positioning groove which correspond to the mounting hole are arranged on the screw rod.
According to the utility model provides a wear-resisting welt of high impact of semi-autogenous mill, its further preferred technical scheme is: the lining plate body is forged and formed.
According to the utility model provides a wear-resisting welt of high impact of semi-autogenous mill, its further preferred technical scheme is: the conical surface angle of the conical positioning surface is 20-80 degrees, and the depth of the conical surface is 5-20 mm.
According to the utility model provides a wear-resisting welt of high impact of semi-autogenous mill, its further preferred technical scheme is: the lining board body is in a long strip shape
The utility model discloses at first adopt rectangular shape, can not rotate during the installation, part the contact surface and the locating surface of welt mounting hole, rectangular hole bottom adopts lathe equipment to process into the plane installation face contact of being convenient for, and conical groove is adopted to process on the middle screw hole, plays the positioning action. After the flat head is separated, the contact surface is enlarged, the stability of the fixing surface is guaranteed, and the liner plate cannot fall off due to the taper of the fixing surface even if the flat head is broken. The structure molding is simple, but the machining molding is relatively simple.
Drawings
Fig. 1 is a schematic view of the lining board structure of the present invention.
Fig. 2 is a schematic view of the front side of the liner plate and the screw rod of the present invention.
Fig. 3 is a side view of the structure of fig. 2.
FIG. 4 is a front view of a prior art cast liner in assembled relation with a threaded rod.
Fig. 5 is a side view schematic of fig. 4.
In the figure: 1. the lining plate comprises a lining plate body, 2, a mounting hole, 3, a screw rod, 4, a contact surface, 5 and a positioning surface.
Detailed Description
To make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are 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. Thus, the detailed description of the embodiments of the present invention provided below is not intended to limit the scope of the claimed invention, but is merely representative of selected embodiments of the present invention.
Examples
As shown in fig. 1: the utility model provides a wear-resisting welt of high impact of semi-autogenous mill, its has included welt body 1, has seted up mounting hole 2 on welt body 1, constitutes by two parts at the upper portion of mounting hole 2, is contact surface 4 and locating surface 5 respectively, and wherein contact surface 4 is located locating surface 5 top, and contact surface 4 is the plane, locating surface 5 is the circular conical surface. The angle of the conical surface of the positioning surface 5 can be set to 20-80 degrees, and the depth of the conical surface can be set to 5-20 mm. The liner plate in this embodiment is formed by forging. The mounting contact surface and the positioning surface are two parts which are connected and linked.
As shown in fig. 2 and 3, the present embodiment also provides a mounting screw 3 used with the liner plate 1. The screw rod 3 is assembled on the mounting hole 2 of the lining plate 1, and the screw rod 3 is provided with a contact surface and a positioning groove which correspond to the contact surface and the positioning surface on the mounting hole 2.
The liner plate of this embodiment adopts rectangular shape, can not rotate during the installation, separates the contact surface and the locating surface of liner plate mounting hole, and rectangular hole bottom adopts lathe equipment to process into the plane and is convenient for plane installation face contact, and a toper groove is adopted to process on the middle screw hole upper end, plays the positioning action. After the flat head is separated, the contact surface is enlarged, the stability of the fixing surface is guaranteed, and the liner plate cannot fall off due to the taper of the fixing surface even if the flat head is broken. The structure molding is simple, but the machining molding is relatively simple.
In this embodiment the installation rectangular hole of welt body, with the contact surface and the steady surface cooperation of bolt, the rectangular top of former bolt, rectangle top below both sides are equipped with certain slope, are convenient for stabilize the fixed of welt, the corresponding slope of contact surface both sides cooperation above the screw hole of welt. The bolt is changed into a rectangular top head, a certain gradient is arranged around the lower part of the rectangular top head, so that the lining plate is fixed stably, and the corresponding gradient is matched around the contact surface on the screw hole of the lining plate. The utility model provides an among the prior art rectangle both sides big groove must adopt the lathe cycle length degree of difficulty big, the poor problem of both sides groove stability, prior art adopts little breach all around, and processing technology is simple, the good advantage of groove stability all around.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
It should be noted that the above preferred embodiments should not be considered as limiting the invention, and the scope of protection should be determined by the scope of the appended claims. It will be apparent to those skilled in the art that various modifications and enhancements can be made without departing from the spirit and scope of the invention, and such modifications and enhancements are intended to be within the scope of the invention.
Claims (5)
1. The utility model provides a wear-resisting welt of high impact of semi-autogenous mill, it includes the welt body, be provided with mounting hole, its characterized in that on the welt body: and the mounting hole is provided with a mounting contact surface and a conical positioning surface.
2. The high impact wear resistant liner plate of a semi-autogenous mill according to claim 1, wherein: the mounting structure is characterized by further comprising a mounting screw rod, wherein the screw rod is assembled on the mounting hole of the lining plate, and the screw rod is provided with a contact surface and a positioning groove which correspond to the mounting hole.
3. The high impact wear resistant liner plate of a semi-autogenous mill according to claim 1, wherein: the lining plate body is forged and formed.
4. A high impact wear resistant liner plate for a semi-autogenous mill according to any one of claims 1 to 3, wherein: the conical surface angle of the conical positioning surface is 20-80 degrees, and the depth of the conical surface is 5-20 mm.
5. The high impact wear resistant liner plate of a semi-autogenous mill of claim 4, wherein: the lining plate body is in a strip shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922035921.2U CN211612946U (en) | 2019-11-22 | 2019-11-22 | High-impact wear-resistant lining plate of semi-autogenous mill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922035921.2U CN211612946U (en) | 2019-11-22 | 2019-11-22 | High-impact wear-resistant lining plate of semi-autogenous mill |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211612946U true CN211612946U (en) | 2020-10-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922035921.2U Active CN211612946U (en) | 2019-11-22 | 2019-11-22 | High-impact wear-resistant lining plate of semi-autogenous mill |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211612946U (en) |
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2019
- 2019-11-22 CN CN201922035921.2U patent/CN211612946U/en active Active
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