CN217830231U - Support rod assembly and spiral conveyor - Google Patents
Support rod assembly and spiral conveyor Download PDFInfo
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- CN217830231U CN217830231U CN202221983436.3U CN202221983436U CN217830231U CN 217830231 U CN217830231 U CN 217830231U CN 202221983436 U CN202221983436 U CN 202221983436U CN 217830231 U CN217830231 U CN 217830231U
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- sleeve
- support rod
- supporting rod
- bracing piece
- stranding cage
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Abstract
The utility model relates to a bracing piece subassembly and auger delivery ware, wherein the bracing piece subassembly includes: the first end of the supporting rod is of a convex sphere shape; and the spherical seat is embedded in the mounting hole of the end lining plate and is provided with a concave spherical surface matched with the first end of the supporting rod. The utility model discloses a bracing piece subassembly has improved the first end of bracing piece and the structure of the mounting hole department of end welt, in the concave spherical surface of the tight spherical seat in protruding spherical top of bracing piece first end, when having realized the axial positioning to the bracing piece, has also realized the radial positioning to the bracing piece. Therefore, the supporting rod cannot be broken due to the fact that the end portion of the supporting rod radially shakes in the mounting hole of the end lining plate in the operation process of the device, the service life of the supporting rod is prolonged, and the working reliability of the screw conveyor is guaranteed.
Description
Technical Field
The utility model relates to a powder process technical field that mills of material, more specifically the utility model relates to a bracing piece subassembly and auger delivery ware that says so.
Background
Referring to the attached drawings 1-5, in the existing double-inlet and double-outlet steel ball mill, a certain amount of steel balls 11 are arranged in a cylinder 1, and when the cylinder 1 rotates, the steel balls 11 in the cylinder 1 roll along with the cylinder to mill the material W in the cylinder 1 into fine powder. The spiral conveyor 2 is arranged at two ends of the cylinder body 1, the stranding cage 3 is a core component of the spiral conveyor 2, the inner end of the stranding cage 3 is connected with the cylinder body 1 through the supporting rod assembly 4, and the outer end of the stranding cage is fixed in the bearing seat 7 through a stranding cage shaft 31. The twisting cage 3 rotates synchronously with the cylinder 1, and the helical blades 32 on the twisting cage 3 push the material at the hollow shaft of the cylinder into the cylinder 1, as shown in the attached drawing 1.
Referring to the attached drawing 2, the screw conveyor 2 comprises four groups of support rod assemblies 4, a stranding cage 3, a shell 5, a hot air box 6 and a bearing seat 7, wherein the support rod assemblies 4 are uniformly arranged along the circumferential direction of the stranding cage, one end of each group of support rod assemblies 4 is arranged in a support rod mounting sleeve 33 (arranged on the stranding cage) through two nuts 41, and the other end of each group of support rod assemblies is tightly propped against a hole of an end lining plate 12, which is shown in the attached drawings 3 and 4 in detail. The rear part of the shell 5 is connected with a hot air box 6, and the bearing seat is positioned outside the hot air box 6.
Referring to the attached figure 2, a stranding cage shaft 31 penetrates through a hot air box 6 to be installed in a bearing seat 7, and air with the temperature of 300 ℃ and the pressure of 7-10 kpa is introduced into the hot air box 6. A dynamic and static combined gap exists at the position where the stranding cage shaft 31 penetrates through the hot air box 6, and a sealing air chamber 8 is arranged at the position where the stranding cage shaft 31 penetrates through the hot air box 6 in order to prevent hot air from leaking from the dynamic and static combined gap. The sealing air (room temperature air) with the chamber pressure higher than the hot air 2kpa in the hot air box 6 enters the sealing air chamber 8 through the sealing pipeline 81, so that the pressure in the sealing air chamber 8 is higher than the pressure of the hot air in the hot air box 6, and the purpose of preventing the hot air from leaking is achieved. One part of the sealing air entering the sealing air chamber 8 enters the hot air box 6 along the dynamic and static combination gap J between the stranding cage shaft 31 and the hot air box 6, and the other part of the sealing air leaks out of the hot air box 6 along the dynamic and static combination gap between the stranding cage shaft 31 and the hot air box 6.
The screw conveyor has the following problems in the use process of the structure:
1. the support rod 42 is not firmly fixed with the end lining plate 12, although the end of the support rod 42 is tightly pressed against the end lining plate 12, the diameter of the mounting hole 121 of the end lining plate is larger than that of the support rod 42, that is, only the axial positioning of the support rod 42 is realized, but the radial positioning of the support rod 42 is not realized, see fig. 4, the support rod 42 is broken because the end of the support rod 42 radially shakes in the mounting hole 121 of the end lining plate during the operation of the equipment.
2. The other end of the support rod 42 is mounted in the mounting sleeve 33 of the support rod of the stranding cage through two nuts 41, the support rod 42 is tightly pressed against the end lining plate 12 through the adjusting nut 41, then the nut 41 is firmly welded with the mounting sleeve 33 of the support rod, as shown in fig. 5, and at this time, the connection mode of the support rod 42 and the stranding cage 3 belongs to rigid connection. When the winch cage 3 needs to be extracted for maintenance, the supporting rod must be destructively cut off, and the winch cage can be extracted. Since the nut 41 is welded to the support rod mounting sleeve 33, when the support rod 42 is installed again, the support rod mounting sleeve 33 must be cut off from the stranding cage body by flame, and a new support rod mounting sleeve 33 is welded again, so that it is difficult to ensure that the support rod mounting sleeve 33 is welded to a correct position, and the service life of the screw conveyor is seriously affected.
3. 3 one end of hank cage is passed through bracing piece 42 and is fixed on barrel 1, and when barrel 1 was rotatory, power passed through bracing piece 42 and transmitted for hank cage 3, and hank cage 3 is along with barrel 1 synchronous revolution, and hank cage 3 was rotatory around barrel 1 central line this moment, only when the central line of hank cage axle 31 was coaxial with barrel 1 central line, just can be around the central line steady rotation of self, also only this moment, just can keep reasonable sound joint gap J between hank cage axle 31 and the sealed wind cavity 8. However, in the actual use process, it is difficult to ensure that the center line of the stranding cage shaft 31 is coaxial with the center line of the cylinder 1, so the stranding cage shaft 31 and the seal air chamber 8 are scratched seriously, the dynamic and static combination gap becomes larger and larger, finally, the seal failure and the hot air leakage are caused, and the stranding cage bearing is damaged due to high temperature.
Therefore, how to provide a support rod assembly and a screw conveyor is a problem that needs to be solved by those skilled in the art.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the above-mentioned technical problem among the prior art to a certain extent at least.
Therefore, an object of the present invention is to provide a support rod assembly, which solves the first problem of the prior art.
The utility model provides a support rod assembly, include:
the first end of the supporting rod is of a convex sphere shape; and
the spherical seat is embedded in the mounting hole of the end lining plate and is provided with a concave spherical surface matched with the first end of the supporting rod.
According to the technical scheme, compare with prior art, the utility model discloses a bracing piece subassembly has improved the first end of bracing piece and the structure of the mounting hole department of end welt, in the concave spherical surface of the tight spherical seat in protruding spherical top of the first end of bracing piece, when having realized the axial positioning to the bracing piece, has also realized the radial positioning to the bracing piece. Therefore, the supporting rod cannot be broken due to radial shaking of the end part of the supporting rod in the mounting hole of the end lining plate during operation of the equipment, and the service life of the supporting rod is prolonged.
Secondly, the utility model provides a pair of bracing piece subassembly still includes:
the second end of the supporting rod is inserted into the sleeve, the sleeve is fixed in the supporting rod mounting sleeve, the second end of the supporting rod is provided with a connecting column, and the diameter of the connecting column is smaller than that of the second end of the supporting rod; and
the spring is sleeved on the connecting column and is positioned in a movement cavity defined by the connecting column and the sleeve.
According to the technical scheme, compared with the prior art, the spring is arranged between the second end of the supporting rod and the sleeve, after the supporting rod assembly is welded to the stranding cage, the stranding cage is not rigidly connected with the supporting rod, the supporting rod can slightly swing and slightly move up and down in the sleeve, and thus the central line of the stranding cage has a certain degree of freedom relative to the central line of the barrel, namely the stranding cage can rotate around the central line of the stranding cage when rotating along with the barrel and does not necessarily rotate around the central line of the barrel, so that the scraping and rubbing between a stranding cage shaft and a sealing chamber are avoided, a reasonable dynamic and static combination gap is always kept, and the problem III in the background art is solved.
Further, the second end of the support rod is in clearance fit with the sleeve.
Thirdly, the bracing piece installation cover includes: the upper sleeve, the middle sleeve and the lower sleeve are sequentially sleeved on the outer wall of the sleeve from top to bottom, wherein the middle sleeve is welded with the stranding cage, and the upper sleeve, the middle sleeve and the lower sleeve are connected through screws; wherein a replacement cutting line is located on the upper sleeve.
By adopting the scheme, the sleeve of the support rod assembly is respectively welded on the upper sleeve and the lower sleeve, and when the support rod needs to be dismantled, the sleeve, the upper sleeve and the support rod only need to be cut off according to the replacement cutting, and then the bolt on the lower sleeve is loosened. The middle sleeve is not affected, can be repeatedly used, ensures the position precision of a new supporting rod to be installed again, and solves the problem II of the background technology.
Furthermore, the upper sleeve, the middle sleeve and the lower sleeve are correspondingly provided with threaded holes for the screws to pass through, and the top surface of the lower sleeve and the top surface of the middle sleeve are positioning and mounting surfaces.
Another object of the present invention is to provide a screw conveyor, including:
the shell is provided with a feed inlet and is connected with the barrel;
the second end of the stranding cage is connected with the bearing seat at the rear part of the shell through a stranding cage shaft, and the rear part of the shell is connected with a hot air box; the first end of the stranding cage is connected with the barrel through a support rod assembly of any one of the above.
According to the technical scheme, compare with prior art, the utility model discloses a screw conveyer on current structure basis, has improved the first end of bracing piece and the structure of the mounting hole department of end welt, in the concave spherical surface of the tight spherical seat in protruding spherical top of the first end of bracing piece, when having realized the axial positioning to the bracing piece, has also realized the radial positioning to the bracing piece. Therefore, the supporting rod cannot be broken due to the fact that the end portion of the supporting rod radially shakes in the mounting hole of the end lining plate in the operation process of the device, the service life of the supporting rod is prolonged, and the working reliability of the screw conveyor is guaranteed.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a cross-sectional view of a prior art double entry and double exit steel ball mill;
FIG. 2 is a schematic view showing a structure of a screw conveyor according to the prior art;
FIG. 3 is a schematic view of a prior art connection of a stranding cage and a support rod assembly;
FIG. 4 is a schematic view of the connection of the mounting holes of the prior art support rod and end liner;
FIG. 5 is a schematic view of a connection between a support rod and a stranding cage according to the prior art;
FIG. 6 is the screw conveyor provided by the present invention, illustrating the connection relationship between the support rod assembly and the auger;
fig. 7 is a schematic structural view of a support rod assembly provided by the present invention;
FIG. 8 is a schematic view of a replacement cutting line for the support rod assembly provided by the present invention;
in the figure:
1-cylinder body, 11-steel ball, 12-end lining plate, 121-mounting hole, 2-screw conveyor, 3-stranding cage, 31-stranding cage shaft, 32-helical blade, 33-supporting rod mounting sleeve, 331-upper sleeve, 332-middle sleeve, 333-lower sleeve, 334-screw, 4-supporting rod component, 41-nut, 42-supporting rod, 421-connecting column, 43-spherical seat, 44-sleeve, 45-spring, 5-shell, 6-hot air box, 7-bearing seat, 8-sealing air chamber, 81-sealing pipeline, J-dynamic and static combination gap, Q-replacement cutting line and W-material.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.
In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; 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.
Referring to fig. 1-5, due to the structural limitation between the support rod 42 and the mounting hole 121 of the end liner 12 in the prior art, the support rod 42 can only be axially positioned, and the support rod 42 may be broken during the operation of the device due to the end of the support rod 42 radially swinging in the mounting hole 121 of the end liner 12.
Therefore, the embodiment of the utility model discloses a bracing piece subassembly, see fig. 6 and 7, include:
the first end of the supporting rod 42 is in a convex sphere shape; and
the spherical seat 43 is embedded in the mounting hole 121 of the end lining plate 12, and a concave spherical surface matched with the first end of the supporting rod 42 is arranged on the spherical seat 43.
The utility model discloses a bracing piece subassembly has improved the first end of bracing piece and the structure of the mounting hole department of end welt, with in the concave spherical surface of the tight spherical seat in protruding spherical top of the first end of bracing piece, spherical cooperation has realized the axial positioning to the bracing piece in, has also realized the radial positioning to the bracing piece. Therefore, the supporting rod cannot be cracked due to the fact that the end portion of the supporting rod radially shakes in the mounting hole of the end lining plate in the operation process of the equipment, and the service life of the supporting rod is prolonged.
The depth of the spherical seat 43 embedded in the mounting hole 121 of the end lining plate 12 depends on the supporting rod tightening depth.
Because 3 one ends of hank cage pass through bracing piece 42 to be fixed on barrel 1 among the prior art, when barrel 1 was rotatory, power transmitted for hank cage 3 through bracing piece 42, hank cage 3 along with barrel 1 synchronous revolution, hank cage 3 was rotatory around barrel 1 central line this moment, only when the central line of hank cage axle 31 was coaxial with barrel 1 central line, just can be around the central line steady rotation of self, also only this moment, just can keep reasonable sound joint gap J between hank cage axle 31 and the sealed wind cavity 8. However, in the actual use process, it is difficult to ensure that the center line of the stranding cage shaft 31 is coaxial with the center line of the cylinder 1, so the stranding cage shaft 31 and the sealing air chamber 8 are scratched seriously, the dynamic and static combination clearance is increased, finally, the sealing failure and the hot air leakage are caused, and the stranding cage bearing is damaged due to high temperature.
Therefore, the utility model provides a support rod assembly, on the basis of above-mentioned embodiment, still include:
a sleeve 44, a second end of the support rod 42 is inserted into the sleeve 44, the sleeve 44 is fixed in the support rod mounting sleeve 33, the second end of the support rod 42 is provided with a connecting column 421, and the diameter of the connecting column 421 is smaller than that of the second end of the support rod 42; and
the spring 45 is sleeved on the connecting column 421, and the spring 45 is positioned in a moving cavity defined by the connecting column 421 and the sleeve 44.
The second end of the support rod 42 is in clearance fit with the sleeve 44, and the fit clearance is 02-03mm.
Compared with the prior art, a spring is arranged between the second end of the supporting rod and the sleeve, when the supporting rod assembly is welded to the stranding cage, the stranding cage is not rigidly connected with the supporting rod, the supporting rod can slightly swing and slightly move up and down in the sleeve, so that the central line of the stranding cage has certain freedom relative to the central line of the barrel, namely the stranding cage can rotate around the central line of the stranding cage when rotating along with the barrel, but does not necessarily rotate around the central line of the barrel, thereby avoiding the scratch between a stranding cage shaft and a sealing chamber and always keeping a reasonable dynamic and static combination gap.
Because the other end of the support rod 42 is welded to the support rod mounting sleeve 33 in the prior art, the connection mode between the support rod 42 and the stranding cage 3 is rigid connection. When the winch cage 3 needs to be extracted for maintenance, the supporting rod must be destructively cut off, and the winch cage can be extracted. Since the nut 41 is welded to the support rod mounting sleeve 33, when the support rod 42 is re-installed, the support rod mounting sleeve 33 must be cut off from the stranding cage body by flame, and a new support rod mounting sleeve 33 is welded again, so that it is difficult to ensure that the support rod mounting sleeve 33 is welded to the correct position, and the service life of the screw conveyor is seriously affected.
Based on this, referring to fig. 7 and 8, the present invention provides a support rod assembly, wherein the support rod mounting sleeve 33 comprises: the upper sleeve 331, the middle sleeve 332 and the lower sleeve 333 are sequentially sleeved on the outer wall of the sleeve 44 from top to bottom, wherein the middle sleeve 332 is welded with the stranding cage 3, and the upper sleeve 331, the middle sleeve 332 and the lower sleeve 333 are connected through a screw 334; wherein the replacement cutting line Q is positioned on the upper casing 331.
The embodiment of the utility model provides an in divide into the triplex with hank cage bracing piece installation cover, well cover welding is on the hank cage, goes up the cover and sheathes in through the bolt fastening with the lower cover. Therefore, the utility model provides a support rod subassembly's sleeve pipe welds respectively on upper cover and lower cover, refers to fig. 8, when needing to demolish the bracing piece, only needs to cut off the sleeve pipe according to changing line of cut Q, upper cover and bracing piece, loosens again the bolt on the lower cover can. The middle sleeve is not affected, can be repeatedly used, and ensures the position precision of reinstallation of a new supporting rod.
Specifically, the upper sleeve 331, the middle sleeve 332, and the lower sleeve 333 are correspondingly provided with screw holes through which the screws 334 pass, and the top surface of the lower sleeve 333 and the top surface of the middle sleeve 332 are positioning and mounting surfaces. The shapes of the upper sleeve 331, the middle sleeve 332 and the lower sleeve 333 depend on the installation and arrangement space of the packing auger and the sleeve.
Another object of the present invention is to provide a screw conveyor, see fig. 1 and 6, comprising: the device comprises a shell 5, a feed inlet is formed in the shell 5, and the shell is connected with a cylinder body 1; a second end of the stranding cage 3 is connected with a bearing seat 7 at the rear part of the shell 5 through a stranding cage shaft 31, and the rear part of the shell 5 is connected with a hot air box 6; the difference from the prior art is that the first end of the stranding cage 3 is connected with the barrel 1 through any one of the support rod assemblies.
On the basis of the existing structure, the first end of the supporting rod and the structure of the mounting hole of the end lining plate are improved, and the convex spherical surface of the first end of the supporting rod is pressed against the concave spherical surface of the spherical seat, so that the axial positioning of the supporting rod is realized, and the radial positioning of the supporting rod is also realized. Therefore, the supporting rod cannot be broken due to the fact that the end portion of the supporting rod radially rocks in the mounting hole of the end lining plate during operation of the device, the service life of the supporting rod is prolonged, and the working reliability of the screw conveyor is guaranteed.
It should be noted that the support rod assembly of the present invention can be assembled with any kind of screw conveyor similar to the above structure, and is not limited to a certain screw conveyor, and the specific size is determined according to the installation structure of the matched stranding cage and the shell.
Above-mentioned each embodiment, through the improvement to original bracing piece subassembly structure, thoroughly solved bracing piece fracture, bracing piece that auger delivery exists when reinstalling inaccurate scheduling problem of location after dismantling.
In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
Claims (6)
1. A support rod assembly, comprising:
the first end of the supporting rod (42) is of a convex sphere shape; and
the spherical seat (43) is embedded in the mounting hole (121) of the end lining plate (12), and a concave spherical surface matched with the first end of the supporting rod (42) is arranged on the spherical seat (43).
2. The support rod assembly of claim 1, further comprising:
a sleeve (44), the second end of the support rod (42) is inserted into the sleeve (44), the sleeve (44) is fixed in the support rod mounting sleeve (33), the second end of the support rod (42) is provided with a connecting column (421), and the diameter of the connecting column (421) is smaller than that of the second end of the support rod (42); and
the spring (45) is sleeved on the connecting column (421), and the spring (45) is located in a movement cavity defined by the connecting column (421) and the sleeve (44).
3. A support rod assembly as claimed in claim 2, in which the second end of the support rod (42) is a clearance fit with the sleeve (44).
4. A support rod assembly as claimed in claim 2, in which the support rod mounting sleeve (33) comprises: an upper sleeve (331), a middle sleeve (332) and a lower sleeve (333) are sequentially sleeved on the outer wall of the sleeve (44) from top to bottom, wherein the middle sleeve (332) is welded with the stranding cage (3), and the upper sleeve (331), the middle sleeve (332) and the lower sleeve (333) are connected through a screw (334); wherein a replacement cutting line (Q) is located on the upper sleeve (331).
5. The support rod assembly as claimed in claim 4, wherein the upper sleeve (331), the middle sleeve (332) and the lower sleeve (333) are correspondingly provided with threaded holes for the screws (334) to pass through, and the top surface of the lower sleeve (333) and the top surface of the middle sleeve (332) are positioning and mounting surfaces.
6. An auger conveyor comprising:
the device comprises a shell (5), wherein a feed inlet is formed in the shell (5) and is connected with a barrel (1);
the second end of the stranding cage (3) is connected with a bearing seat (7) at the rear part of the shell (5) through a stranding cage shaft (31), and the rear part of the shell (5) is connected with a hot air box (6); it is characterized in that the preparation method is characterized in that,
the first end of the stranding cage (3) is connected to the barrel (1) by a support rod assembly as claimed in any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221983436.3U CN217830231U (en) | 2022-07-29 | 2022-07-29 | Support rod assembly and spiral conveyor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221983436.3U CN217830231U (en) | 2022-07-29 | 2022-07-29 | Support rod assembly and spiral conveyor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217830231U true CN217830231U (en) | 2022-11-18 |
Family
ID=84011306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221983436.3U Active CN217830231U (en) | 2022-07-29 | 2022-07-29 | Support rod assembly and spiral conveyor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217830231U (en) |
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2022
- 2022-07-29 CN CN202221983436.3U patent/CN217830231U/en active Active
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