CN212077125U - Slow cooling device for heat treatment of wear-resistant balls - Google Patents
Slow cooling device for heat treatment of wear-resistant balls Download PDFInfo
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- CN212077125U CN212077125U CN202020768442.1U CN202020768442U CN212077125U CN 212077125 U CN212077125 U CN 212077125U CN 202020768442 U CN202020768442 U CN 202020768442U CN 212077125 U CN212077125 U CN 212077125U
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Abstract
The embodiment of the utility model provides a wear-resisting ball is slow cooling device for thermal treatment, include slow cooling bucket, protective sleeve, movable base, base pull rod, go up hoist and mount piece, outer support, special brace table. The bottom center of the slow cooling barrel is provided with a hollowed area, the edge of the hollowed area is on the same horizontal plane, the area outside the hollowed area of the bottom of the slow cooling barrel is downward inclined from the barrel edge to the barrel center, the movable base is arranged below the hollowed area of the bottom of the slow cooling barrel and can seal the hollowed area, the lower surface of the movable base is horizontally arranged, the lower end of the base pull rod is fixedly connected with the upper part of the movable base, the base pull rod penetrates through the protective sleeve, and the upper end of the base pull rod is fixedly connected with an upper hoisting piece. According to the technical scheme of the utility model, can reduce tempering process's complexity, reduce tempering process time.
Description
Technical Field
The utility model relates to a casting equipment technical field, more particularly, the utility model relates to a wear-resisting ball is slow cooling device for thermal treatment.
Background
At present, a metal wear-resistant ball is a grinding medium used in a ball mill, is widely applied to ball mills in industries such as metallurgical mines, cement building materials, thermal power generation, flue gas desulfurization, magnetic materials, chemical industry, coal water slurry, pellet ore, slag, ultrafine powder, fly ash, calcium carbonate, quartz sand and the like, is a main material for crushing and grinding abrasive materials, and needs to be subjected to heat treatment in order to prolong the service life of the metal wear-resistant ball and improve the wear resistance of the wear-resistant ball.
The metal wear-resistant ball is mainly white cast iron with chromium as a main alloy element. The consumption of the wear-resistant balls is large, and the development of a heat treatment process is an important means for prolonging the service life of the wear-resistant balls. After heat treatment such as quenching and tempering of the wear-resistant balls, the metallographic structure is changed, and the wear-resistant balls consist of pearlite, carbide and modified ledeburite in an as-cast state, wherein the ledeburite content is low, the cementite content is high, and most of the carbide is reticular carbide; martensite, carbide and a small amount of retained austenite can be obtained after quenching, the wear-resistant ball has higher hardness and wear resistance, but structural stress exists in the ball, the wear-resistant ball is easy to crack and deform, and particularly the large-size wear-resistant ball is more remarkable. Therefore, the internal stress of the wear-resistant balls can be eliminated by tempering after the wear-resistant balls are subjected to quenching heat treatment, so that cracking and deformation are avoided. Because the wear-resistant ball casting products are small in size, large in quantity and not easy to place, a heat treatment production line is usually adopted to carry out heat treatment on the wear-resistant balls, when a heat treatment material frame is jacked in and out of a furnace, the wear-resistant balls are transferred to a transfer frame to be carried, the wear-resistant balls are subjected to tempering treatment in a tempering furnace after air cooling after being discharged from the furnace, the internal structural stress is eliminated, and finally the wear-resistant balls are stored in a finished product area. The process flow enables the heat treatment production efficiency of the wear-resistant balls to be low, the heat treatment working hours of a batch of wear-resistant balls can be 15-16 h to reach the tempering structure form, and the optimal use performance of the wear-resistant balls is met.
Therefore, how to effectively improve the production efficiency of the heat treatment process and reasonably adjust the heat treatment process becomes a technical problem to be solved urgently by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
For the production efficiency who solves current wear-resisting ball thermal treatment process low, the relatively complicated scheduling problem of thermal treatment process flow, the utility model discloses the innovation provides a wear-resisting ball is slow cooling device for thermal treatment, carried out special design to slow cooling device, make slow cooling device can be quick in the use feed and unload, simultaneously can effectual grasp slow cooling rate and time, realize the effective monitoring to wear-resisting ball play stove back temperature variation, need not to get into in addition the tempering kiln and carry out the stress adjustment that tempering was handled and can realize wear-resisting ball, and then the technology of having solved current thermal treatment slow cooling process existence is complicated relatively, the longer scheduling problem of process time relatively.
Therefore, the embodiment of the utility model provides a following technical scheme:
according to the utility model, a slow cooling device for heat treatment of wear-resistant balls is provided, which comprises a slow cooling barrel, a protective sleeve, a movable base, a base pull rod, an upper hoisting piece, an outer support and a special support table,
the bottom center of the slow cooling barrel is provided with a hollowed area, the edges of the hollowed area are on the same horizontal plane, the area outside the hollowed area of the bottom of the slow cooling barrel is downwards inclined and extends from the barrel edge to the barrel center,
the protective sleeve is vertically arranged in the center of the slow cooling barrel and is fixedly connected with the barrel wall of the slow cooling barrel through a connecting rod,
the movable base is arranged below the excavated area of the bottom surface of the slow cooling barrel and can seal the excavated area, the lower surface of the movable base is horizontally arranged,
the lower end of the base pull rod is fixedly connected with the upper part of the movable base, the base pull rod penetrates through the protective sleeve, the upper end of the base pull rod is fixedly connected with the upper hoisting piece,
the outer bracket is arranged at the lower part of the slow cooling barrel, is fixedly connected with the slow cooling barrel and can be used for supporting the slow cooling barrel,
the height of the special supporting table is not less than the height difference between the lower surface of the movable base and the bottom end of the outer support, and the special supporting table is used for supporting the movable base in the slow cooling process.
Furthermore, the slow cooling device for heat treatment of the wear-resistant ball further comprises a temperature measuring hole arranged on the protective sleeve, a temperature sensing module arranged in the protective sleeve and a temperature signal sending module.
Furthermore, the slow cooling device for heat treatment of the wear-resistant balls further comprises a temperature signal receiving module and a display module.
Furthermore, the temperature sensing module of the slow cooling device for heat treatment of the wear-resistant ball comprises an infrared temperature thermocouple.
Furthermore, wear-resisting ball is slow cooling device for thermal treatment the slow cooling bucket ladle body is cylindricly, the part outside the region of digging out in slow cooling bucket bottom surface is hourglass hopper-shaped.
Furthermore, the outer support of the slow cooling device for heat treatment of the wear-resistant balls is cylindrical, and the upper part of the outer support is connected with the outer wall of the barrel wall of the slow cooling barrel in a welding mode.
Furthermore, the bottom center hollowed area of the slow cooling barrel of the slow cooling device for heat treatment of the wear-resistant balls is circular, and the lower surface of the movable base is circular and has a diameter larger than that of the circular bottom center hollowed area of the slow cooling barrel.
Furthermore, the slow cooling device for heat treatment of the wear-resistant balls is provided with a reinforcing rib between the upper surface of the movable base and the pull rod of the base.
Furthermore, the slow cooling device for heat treatment of the wear-resistant balls is provided with four connecting rods, two connecting rods are distributed at one height, and the other two connecting rods are distributed at the other height.
Furthermore, the outer support of the slow cooling device for heat treatment of the wear-resistant balls is composed of three vertically arranged columns fixedly connected to the outer wall of the slow cooling barrel.
According to the technical scheme of the utility model, the movable base is tightly attached to the slow cooling barrel in the hoisting process or when the slow cooling barrel is arranged on the special supporting platform, the hollow area of the bottom surface of the slow cooling barrel can be sealed, and the slow cooling barrel can contain the wear-resisting ball discharged from the kiln of the heat treatment line; when the hoisting piece pulls up the slow cooling device filled with the wear-resistant balls and places the slow cooling device in the storage area, the outer support is supported on the ground, the movable base is supported by no special support platform, the movable base falls under the action of gravity, and the wear-resistant balls are conveniently unloaded into the storage area. The slow cooling device is placed on a special support table at a kiln outlet of a heat treatment line, the wear-resistant balls are poured into the slow cooling device by a batch of heat treatment frames ejected out of a kiln, for example, the kiln outlet temperature of the wear-resistant balls is 960 ℃, the kiln outlet interval of the heat treatment frames is 0.5h, the slow cooling device can contain 10 frames of wear-resistant balls, the temperature in the slow cooling device is monitored by an infrared temperature thermocouple, the maximum temperature can reach 450 ℃, the temperature can be maintained for 6-8 h, the medium-temperature tempering process requirement is met, the heat treatment time of a batch of wear-resistant balls can be completed within 12-14 h, and the process time and the operation complexity are obviously shortened. Furthermore, the utility model discloses an among some embodiments, but real-time supervision tempering process sets up temperature measurement hole, temperature sensing module, temperature signal transmission module, temperature signal receiving module and display module on the protective sleeve. The utility model provides high production efficiency has reduced the manufacturing cost of wear-resisting ball. Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the invention. For the purpose of illustrating and describing certain parts of the invention, the drawings may have corresponding parts enlarged, i.e., made larger, relative to other parts in an exemplary device made in practice in accordance with the invention. In the drawings, the same or similar technical features or components will be denoted by the same or similar reference numerals.
Fig. 1 is a schematic structural view of a slow cooling device for heat treatment of wear-resistant balls according to some embodiments of the present invention.
Fig. 2 is a schematic side view of a slow cooling device according to some embodiments of the present invention.
Fig. 3 is a schematic top view of a slow cooling device according to some embodiments of the present invention.
Fig. 4 is a schematic top view of a special supporting platform of the slow cooling device according to some embodiments of the present invention.
In the figure: 1. the device comprises an upper lifting piece, 2 parts of a slow cooling barrel, 3 parts of an outer support, 4 parts of a movable base, 5 parts of a base pull rod, 6 parts of a protective sleeve, 7 parts of a temperature measuring hole, 8 parts of a temperature sensing module, 9 parts of a connecting rod and 10 parts of a special supporting table.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Referring to fig. 1 to 4, in an embodiment of the present invention, the slow cooling device for heat treatment of wear-resistant balls includes a slow cooling barrel 2, a protective sleeve 6, a movable base 4, a base pull rod 5, an upper lifting member 1, an outer support 3, and a special support table 10. The slow cooling barrel 2 is cylindrical, a circular hollow area is arranged in the center of the bottom surface of the slow cooling barrel 2, the edges of the hollow area are circular on the same horizontal plane, and the part outside the hollow area of the bottom surface is funnel-shaped. The protective sleeve 6 is vertically arranged in the center of the slow cooling barrel and is fixedly connected with the barrel wall of the slow cooling barrel 2 through a connecting rod 9. The lower surface of the movable base 4 is round, and is horizontally arranged below a round hollow area on the bottom surface of the slow cooling barrel 2, and the diameter of the hollow area is larger than that of the hollow area so as to seal the hollow area. The lower end of the base pull rod 5 is fixedly connected with the upper part of the movable base 4, the base pull rod 5 penetrates through the protective sleeve 6, and the upper end of the base pull rod 5 is fixedly connected with the upper hoisting piece 1. The outer support 3 is cylindrical and is arranged at the lower part of the slow cooling barrel 2, and the outer support 3 is cylindrical and is fixedly connected with the slow cooling barrel 2 at the upper edge by welding and can be used for supporting the slow cooling barrel 2. The height of the special supporting table 10 is equal to the height difference between the lower surface of the movable base 4 and the bottom end of the outer support 3, the special supporting table 10 supports the movable base in the slow cooling process, and the outer support 3 also supports the slow cooling barrel 2.
In one embodiment, a temperature measuring hole 7 is further formed on the protective sleeve 6, and a temperature sensing module 8, a temperature signal sending module (not shown), a temperature signal receiving module (not shown) and a display module (not shown) are further formed in the protective sleeve 6.
In one embodiment, the height of the special supporting platform 10 is greater than the height difference between the lower surface of the movable base 4 and the bottom end of the outer support 3, only the special supporting platform 10 supports the movable base during the slow cooling process, and the outer support 3 supports the slow cooling barrel 2 in a ground-off manner.
In one embodiment, the temperature sensing module 8 includes an infrared temperature thermocouple.
In one embodiment, the slow cooling barrel 2 has a square cylindrical barrel body (not shown in the figure), the hollowed area of the bottom surface of the slow cooling barrel 2 is square, and the outside of the hollowed area is in a square funnel shape formed by splicing four inclined surfaces.
In one embodiment, referring to fig. 1, a stiffener is provided between the upper surface of the movable base 4 and the base pull rod 5.
In one embodiment, see fig. 1, said connecting rods 9 have four, two symmetrically arranged with respect to the protective sleeve 6, distributed at one height, and the other two also symmetrically arranged with respect to the protective sleeve 6, distributed at another height.
In one embodiment, there is only one connecting rod (not shown), one end of which is connected to the wall of the slow cooling barrel 2, and the other end of which is connected to the protective sleeve 6.
In one embodiment, the external support is composed of three vertically arranged columns fixedly connected to the outer wall of the slow cooling barrel (not shown in the figure).
In one embodiment the hoist 1 is a circular ring sling.
In one embodiment the hoist 1 is a square hoist ring.
In some embodiments, the lifting ring can be an open ring or a closed ring.
In some embodiments, the hoist may also be in the form of a hook or an inverted "T" shaped member or a square plate with holes or the like.
In the specific application process, the wear-resistant balls after quenching are continuously ejected out of a kiln opening of the heat treatment line and poured into the slow cooling device, the real-time temperature change of the slow cooling device is monitored through temperature display, and the slow cooling rate is mastered so as to ensure that the internal structure form change of the wear-resistant balls is completed. In the hoisting process or when the slow cooling barrel is arranged on the special supporting table 10, the movable base 4 is tightly attached to the bottom of the slow cooling barrel 2, the hollow area of the bottom surface of the slow cooling barrel 2 can be sealed, and the slow cooling barrel 2 can contain the wear-resistant balls discharged from the kiln of the heat treatment line; when the hoisting piece 1 pulls up the slow cooling device filled with the wear-resistant balls and places the slow cooling device in the storage area, the outer support 3 is supported on the ground, the movable base 4 descends, the wear-resistant balls are unloaded and enter the storage area, and the turnover work is completed.
Those skilled in the art will appreciate that the above description is not meant to be limiting of the apparatus and may include more or less components, or combinations of certain components, or different arrangements of components.
The utility model discloses the complexity of process time and operation has been showing to be shortened. Furthermore, the utility model discloses an among some embodiments, but real-time supervision tempering process sets up temperature measurement hole, temperature sensing module, temperature signal transmission module, temperature signal receiving module and display module on the protective sleeve. The utility model provides high production efficiency has reduced the manufacturing cost of wear-resisting ball.
It should be noted that the terms "first" and "second" in the description of the present application are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The term "comprising" is used to specify the presence of stated elements, but not to preclude the presence or addition of additional like elements in a process, method, article, or apparatus that comprises the stated elements. All the embodiments in the present specification are described in a related manner, and the same and similar parts among the embodiments may be referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, for the device and electronic apparatus embodiments, since they are substantially similar to the method embodiments, the description is relatively simple, and reference may be made to some descriptions of the method embodiments for relevant points. The above are merely examples of the present invention, and are not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention. In the foregoing description of specific embodiments of the invention, features described and/or illustrated with respect to one embodiment may be used in the same or in a similar manner in one or more other embodiments, in combination with or instead of the features of the other embodiments.
In this application, the word "exemplary" is used to mean "serving as an example, instance, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments. The following description is presented to enable any person skilled in the art to make and use the application. In the following description, details are set forth for the purpose of explanation. It will be apparent to one of ordinary skill in the art that the present application may be practiced without these specific details. In other instances, well-known structures and processes are not set forth in detail in order to avoid obscuring the description of the present application with unnecessary detail. Thus, the present application is not intended to be limited to the embodiments shown, but is to be accorded the widest scope consistent with the principles and features disclosed herein.
It should be emphasized that the term "comprises/comprising" when used herein, is taken to specify the presence of stated features, elements, steps or components, but does not preclude the presence or addition of one or more other features, elements, steps or components. The terms "a," "an," "two," "1," "2," "n-" and the like, as they relate to ordinal numbers, do not necessarily denote the order of execution or importance of the features, elements, steps, or components identified by the terms, but are used merely for identification among the features, elements, steps, or components for clarity of description.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, those skilled in the art may make various modifications and variations without departing from the spirit and scope of the invention, and such modifications and variations fall within the scope defined by the appended claims.
Claims (10)
1. The utility model provides a wear-resisting ball is slow cooling device for heat treatment which characterized in that: comprises a slow cooling barrel, a protective sleeve, a movable base, a base pull rod, an upper hoisting piece, an outer bracket and a special supporting platform,
the bottom center of the slow cooling barrel is provided with a hollowed area, the edges of the hollowed area are on the same horizontal plane, the area outside the hollowed area of the bottom of the slow cooling barrel is downwards inclined and extends from the barrel edge to the barrel center,
the protective sleeve is vertically arranged in the center of the slow cooling barrel and is fixedly connected with the barrel wall of the slow cooling barrel through a connecting rod,
the movable base is arranged below the excavated area of the bottom surface of the slow cooling barrel and can seal the excavated area, the lower surface of the movable base is horizontally arranged,
the lower end of the base pull rod is fixedly connected with the upper part of the movable base, the base pull rod penetrates through the protective sleeve, the upper end of the base pull rod is fixedly connected with the upper hoisting piece,
the outer bracket is arranged at the lower part of the slow cooling barrel, is fixedly connected with the slow cooling barrel and can be used for supporting the slow cooling barrel,
the height of the special supporting table is not less than the height difference between the lower surface of the movable base and the bottom end of the outer support, and the special supporting table is used for supporting the movable base in the slow cooling process.
2. The slow cooling device for heat treatment of the wear-resistant ball as claimed in claim 1, further comprising a temperature measuring hole arranged on the protective sleeve, a temperature sensing module and a temperature signal sending module arranged in the protective sleeve.
3. The slow cooling device for heat treatment of wear-resistant balls according to claim 2, further comprising a temperature signal receiving module and a display module.
4. The slow cooling device for heat treatment of wear-resistant balls according to claim 2, wherein the temperature sensing module comprises an infrared temperature thermocouple.
5. The slow cooling device for heat treatment of wear-resistant balls according to claim 1, wherein the barrel body of the slow cooling barrel is cylindrical, and the part of the bottom surface of the slow cooling barrel, except the hollowed area, is funnel-shaped.
6. The slow cooling device for heat treatment of wear-resistant balls according to claim 1, wherein the outer support is cylindrical, and the upper part of the outer support is welded to the outer wall of the slow cooling barrel wall.
7. The slow cooling device for heat treatment of wear-resistant balls according to claim 1, wherein the central hollowed area of the bottom surface of the slow cooling barrel is circular, and the lower surface of the movable base is circular and has a diameter larger than the diameter of the circular hollowed area of the bottom surface of the slow cooling barrel.
8. The slow cooling device for heat treatment of wear-resistant balls according to claim 1, wherein a reinforcing rib is provided between the upper surface of the movable base and the pull rod of the base.
9. The slow cooling device for heat treatment of wear-resistant balls according to claim 1, wherein four connecting rods are provided, two connecting rods are arranged at one height, and the other two connecting rods are arranged at the other height.
10. The slow cooling device for heat treatment of wear-resistant balls as claimed in any one of claims 1 to 5 and 7 to 9, wherein the outer support is composed of three vertically arranged columns fixedly connected to the outer wall of the slow cooling barrel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020768442.1U CN212077125U (en) | 2020-05-11 | 2020-05-11 | Slow cooling device for heat treatment of wear-resistant balls |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020768442.1U CN212077125U (en) | 2020-05-11 | 2020-05-11 | Slow cooling device for heat treatment of wear-resistant balls |
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| Publication Number | Publication Date |
|---|---|
| CN212077125U true CN212077125U (en) | 2020-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020768442.1U Active CN212077125U (en) | 2020-05-11 | 2020-05-11 | Slow cooling device for heat treatment of wear-resistant balls |
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|---|---|
| CN (1) | CN212077125U (en) |
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- 2020-05-11 CN CN202020768442.1U patent/CN212077125U/en active Active
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