CN114952636A - Special high-power impeller head of physics descaling equipment - Google Patents
Special high-power impeller head of physics descaling equipment Download PDFInfo
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- CN114952636A CN114952636A CN202210026552.4A CN202210026552A CN114952636A CN 114952636 A CN114952636 A CN 114952636A CN 202210026552 A CN202210026552 A CN 202210026552A CN 114952636 A CN114952636 A CN 114952636A
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- 238000005422 blasting Methods 0.000 claims abstract description 110
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- 239000010959 steel Substances 0.000 abstract description 31
- 238000000034 method Methods 0.000 description 7
- 238000007789 sealing Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
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- 238000010168 coupling process Methods 0.000 description 2
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- 230000037431 insertion Effects 0.000 description 2
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- 230000004048 modification Effects 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- HLLSOEKIMZEGFV-UHFFFAOYSA-N 4-(dibutylsulfamoyl)benzoic acid Chemical compound CCCCN(CCCC)S(=O)(=O)C1=CC=C(C(O)=O)C=C1 HLLSOEKIMZEGFV-UHFFFAOYSA-N 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
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- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011268 mixed slurry Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
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- 230000001737 promoting effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C5/00—Devices or accessories for generating abrasive blasts
- B24C5/06—Impeller wheels; Rotor blades therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
- B24C1/08—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods for polishing surfaces, e.g. smoothing a surface by making use of liquid-borne abrasives
- B24C1/086—Descaling; Removing coating films
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The invention provides a special high-power impeller head for physical descaling equipment, which comprises the following components: the shot blasting box is provided with a blasting port; one end of the main shaft is arranged at the position of the first mounting port and extends into the shot blasting box; the side wall of the shot-blasting wheel is provided with a shot-blasting window which is arranged inside the shot-blasting box and is fixedly connected with the end part of the main shaft extending into the shot-blasting box; the directional sleeve is sleeved on the periphery of the shot-blasting wheel, a shot-blasting opening is formed in the side wall of the directional sleeve, and the directional sleeve is arranged on the shot-blasting box through a rotary connecting structure; the angle adjusting mechanism is connected with the rotary connecting structure. When the width of the hot rolled coil is changed, the shot blasting device drives the rotary connecting structure through the angle adjusting mechanism so as to drive the directional sleeve to rotate, the position of a shot blasting opening is changed, the width of a steel shot thrown out by the corresponding shot blasting device is also changed, and the purpose that the width of the steel shot thrown out is matched with the width of the hot rolled coil is achieved, so that the shot blasting device can adjust the striking width of the steel shot without stopping the machine, and can strike and descale the hot rolled coils with different widths.
Description
Technical Field
The invention relates to the technical field of impeller heads, in particular to a special high-power impeller head for physical descaling equipment.
Background
The surface descaling of the hot rolled coil is carried out by adopting an acid washing technology in the past, but acid substances in the acid washing are corrosive, so that not only can workers and equipment be damaged, but also the environment can be damaged, and the operation and maintenance cost is higher. As a descaling device for replacing the traditional pickling technology, the shot blasting cleaning device is a novel descaling device for mechanically removing the scale on the surface of the hot rolled coil, and the scale on the surface of the hot rolled coil is removed by spraying a descaling medium (mixed slurry of liquid and particles) on the upper surface and the lower surface of the steel of the hot rolled coil. The application of the shot blasting cleaning equipment changes the concept of domestic hot rolled plate coil surface treatment technology and has important significance for promoting the development of the hot rolled plate coil market.
The shot blasting machine is used as a key part of shot blasting cleaning equipment and comprises a feeding pipe, a shot separating wheel, a directional sleeve and an impeller, and the working principle of the shot blasting machine is that after steel shots enter the interior of the shot separating wheel which runs at a high speed through the feeding pipe, the steel shots can be outwards separated through a shot separating window of the shot separating wheel, the steel shots are outwards thrown through an opening of the directional sleeve, the thrown steel shots are accelerated again through the high-speed rotation of the impeller and are ejected to a hot rolled plate coil at a high speed, and the steel shots ejected at the high speed impact and scrape the surface of the hot rolled plate coil to achieve the purpose of descaling.
The existing impeller head equipment has the problems that firstly, when hot rolled coils with different widths are processed, an orientation sleeve in the impeller head cannot be rapidly and accurately adjusted, so that the projecting width of the impeller head cannot be accurately adjusted, and the orientation sleeve cannot rotate flexibly during adjustment, so that the hot rolled coils cannot be completely beaten and descaled, and although manual adjustment can be used, the adjustment needs to be stopped and debugged, time and labor are wasted, the automation degree is reduced, the accuracy is poor, and the adjustment error probability exists; secondly, the existing impeller head equipment often needs to be driven by a 160KW motor, the transmission efficiency and the stability of the motor of the impeller head are poor, and further improvement is needed.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the technical defects that when the shot blasting device in the prior art is used for processing hot rolled plate coils with different widths, the orientation sleeve cannot be rapidly and accurately adjusted correspondingly without stopping, the orientation sleeve cannot rotate flexibly, so that the working efficiency is low, defective products and possible mutual correlation of upper shot blasting devices and lower shot blasting devices easily occur, and thus, the shot blasting device with the angle adjusting mechanism capable of rapidly and accurately adjusting the orientation sleeve without stopping is provided, and the shot blasting device can be well adapted to the hot rolled plate coils with different widths.
Therefore, the invention provides a special high-power impeller head for physical descaling equipment, which comprises:
the shot blasting box is provided with an internal space, a throwing port communicated with the internal space, and a first mounting port and a second mounting port which are oppositely arranged on the side wall of the shot blasting box;
one end of the main shaft is connected with the driving device, and the other end of the main shaft is rotatably arranged at the position of a first mounting port of the shot blasting box and extends into the shot blasting box;
the shot-blasting wheel is cylindrical, one end of the shot-blasting wheel is open, the other end of the shot-blasting wheel is closed, and a plurality of shot-blasting windows are uniformly formed in the circumferential direction of the side wall; the shot separating wheel is arranged in the shot blasting box, and the closed end of the shot separating wheel is fixedly connected with the end part of the main shaft, which extends into the shot blasting box;
the directional sleeve is cylindrical, two ends of the directional sleeve are opened, one end of the directional sleeve is provided with a flange structure, and the side wall of the directional sleeve is provided with a shot blasting opening; the flange structure extends out of the shot blasting box from the second mounting port and is mounted on the shot blasting box through a rotary connecting structure; the part of the directional sleeve positioned in the shot blasting box is sleeved outside the shot separating wheel;
the feeding pipe is in an arc-bent cylindrical shape, two ends of the feeding pipe are opened, one end of the feeding pipe extends into the directional sleeve from the flange structure until the feeding pipe is opposite to the pill distributing wheel, and the other end of the feeding pipe is bent and extended outwards;
and the angle adjusting mechanism is arranged on the shot blasting box, is connected with the rotating connecting structure, and adjusts the rotating angle of the orientation sleeve by pushing the rotating connecting structure.
As a preferred scheme, the rotary connection structure is a cylindrical roller bearing, and the flange structure is clamped inside an inner ring of the cylindrical roller bearing and limited by a fixing structure.
As a preferable aspect, the rotation connecting structure includes:
the middle part of the outer wall of the inner ring is provided with an annular raceway along the circumferential direction, and two sides of the annular raceway are provided with two annular bosses;
the cylindrical rollers are uniformly arranged in the annular roller path;
the two retaining rings can be sleeved on the outer wall of the inner ring and are abutted against the annular boss; the retainer ring is higher than the annular boss;
the first outer ring is sleeved on the outer side of the inner ring close to the shot blasting box part and provided with a first annular limiting groove matched with one retainer ring and a first limiting flange sleeved on the outer side of the cylindrical roller;
the second outer ring is sleeved on the outer side of the inner ring, which is far away from the shot blasting box part, and is provided with a second annular limiting groove matched with the other retainer ring and a second limiting flange sleeved on the outer side of the first limiting flange;
the first outer ring and the second outer ring are detachably and fixedly connected.
Preferably, the outer diameter of the second outer ring is larger than that of the first outer ring, an outer ring fixing hole is formed in the part, larger than that of the first outer ring, of the second outer ring, and the part is screwed on the outer wall of the shot blasting box after penetrating through the outer ring fixing hole by using a bolt.
As a preferable aspect, the fixing structure includes:
the limiting opening is formed in the flange structure;
the fixing bolt hole is formed in the inner wall of the inner ring;
and the limiting bolt penetrates through the limiting opening and then is fixed with the fixing bolt hole in a threaded connection mode.
As a preferable aspect, the angle adjustment mechanism includes:
the cylinder fixing plate is fixedly arranged on the outer side of the shot blasting box;
a cylinder having a bore and a piston shaft, wherein: the end part of the cylinder barrel is rotatably connected with the cylinder fixing plate; the free end of the piston shaft is rotatably connected with the connecting block;
and the connecting block is fixedly connected with the inner ring.
As a preferable scheme, the device further comprises an impeller sleeved outside the directional sleeve, and the impeller comprises:
one end of the first disc is fixedly connected with one end of the main shaft, which extends into the shot blasting box, and the other end of the first disc is provided with a plurality of blade slots; the middle part of the first disc is provided with a first round hole for the end part of the pill separating wheel to penetrate through;
the second disc is also provided with a plurality of blade slots on one end surface opposite to the first disc; the middle part of the second disc is provided with a second round hole for the end part of the directional sleeve to penetrate out;
the connecting columns are provided with a plurality of connecting columns, are positioned between the first disk and the second disk and are fixedly connected with the first disk and the second disk;
and two side ends of the blade are respectively arranged in the blade slots which are oppositely arranged on the first disc and the second disc.
As a preferred scheme, a plurality of protruding platforms are arranged on two sides of the blade, and a plurality of corresponding platforms matched with the protruding platforms are arranged inside the blade slot.
The technical scheme provided by the invention has the following advantages:
1. the invention discloses a special high-power impeller head for physical descaling equipment, which comprises an impeller head box, a main shaft, an impeller wheel, a directional sleeve, a feeding pipe and an angle adjusting mechanism, wherein the main shaft is arranged on the main shaft; when the hot-rolled plate coil descaling device is used, steel shots enter the shot separating wheel through the feeding pipe in a free-falling mode, the shot separating wheel is driven by the main shaft to rotate at a high speed, the steel shots entering the interior of the shot separating wheel are accelerated by the shot separating wheel and then are thrown out of a shot blasting window, the steel shots further directionally fly out through a shot blasting opening of the directional sleeve, the steel shots which directionally fly out are accelerated by the impeller and then fly out of a throwing opening on the shot blasting box, the steel shots are hit on the hot-rolled plate coil, and the surface of the hot-rolled plate coil is descaled. When the width of the hot rolled coil to be processed is changed, the rotary connecting structure can be driven by the angle adjusting mechanism to further drive the orientation sleeve to rotate, after the orientation sleeve rotates, the position of a shot blasting opening is changed, the width of a steel shot thrown out by a corresponding shot blasting device is also changed, and the width of the steel shot thrown out by the shot blasting device is adapted to the width of the hot rolled coil by reasonably adjusting the rotating direction and the angle of the orientation sleeve, so that the shot blasting device can adjust the striking width of the steel shot without stopping the machine, and further can strike and descale the hot rolled coil with different widths.
2. According to the special high-power impeller head for the physical descaling equipment, the rotary connecting structure is a cylindrical roller bearing, wherein the flange structure is clamped inside an inner ring on the cylindrical roller bearing and limited by the fixing structure; when the orientation sleeve needs to be rotated to adjust the position of the shot blasting opening, the orientation sleeve can be driven to rotate only by starting the angle adjusting mechanism to drive the inner ring on the cylindrical roller bearing to rotate relative to the outer ring on the cylindrical roller bearing, and the purpose of adjusting the orientation angle of the shot blasting opening is achieved; and the cylindrical roller bearing has large bearing force and stable rotation.
3. The special high-power impeller head for the physical descaling equipment has the advantages that the rotary connecting structure is creatively designed to comprise the inner ring, the cylindrical roller, the check ring, the first outer ring and the second outer ring, the installation of the directional sleeve can be realized under the condition that the inner ring and the outer ring (the first outer ring and the second outer ring) are both complete circular ring structures, the inner ring and the outer ring are both complete circular ring structures due to the rotary connecting structure after the installation is finished, the bearing capacity is good, when the inner ring is pushed by the adjusting mechanism to further drive the directional sleeve to rotate relative to the outer ring, the rotation of the inner ring relative to the outer ring is accurate and smooth, the seizure and eccentric wear can not occur, and the user experience of products is greatly improved.
4. According to the special high-power impeller head for the physical descaling equipment, the outer diameter of the first outer ring is larger than that of the second outer ring, the outer ring fixing holes are formed in the parts, larger than that of the first outer ring, of the second outer ring, the second outer ring is fixed on the outer wall of the impeller head box after bolts penetrate through the outer ring fixing holes, and the first outer ring is also fixed on the outer wall of the impeller head box in an extrusion mode.
5. According to the special high-power impeller head for the physical descaling equipment, the fixing structure comprises the limiting opening, the fixing bolt hole and the limiting bolt, the limiting bolt penetrates through the limiting opening formed in the flange structure and then is in threaded connection and fixed with the fixing bolt hole formed in the inner wall of the inner ring, so that the fixed connection between the directional sleeve and the inner ring is realized, and the connection mode is convenient to disassemble and assemble.
6. The invention discloses a special high-power impeller head for physical descaling equipment, wherein an angle adjusting mechanism comprises: the air cylinder fixing plate, the air cylinder and the connecting block are arranged on the air cylinder fixing plate; the cylinder fixing plate is fixed on the shot blasting box and is rotatably connected with the tail end of a cylinder barrel of the cylinder, the connecting block is fixedly connected with an inner ring of the rotary connecting structure, and the free end of a piston shaft of the cylinder is rotatably connected with the connecting block; through the flexible of cylinder piston axle, the drive connecting block, and then the relative outer loop of drive rotation connection structure's inner ring rotates, drives directional cover and rotates to change and throw open-ended angular position, reach the purpose of adjusting the shot and throw the broad width.
7. The invention discloses a special high-power impeller head for physical descaling equipment, wherein an impeller is arranged on the outer side of a directional sleeve, and the special high-power impeller head comprises: the device comprises a first disc, a second disc, a connecting column and blades; the two sides of the blade are provided with a plurality of lug bosses, and after the connecting column connects the first disk and the second disk together, the blade is mutually connected and fixed with the blade slots on the two disks and the corresponding platforms on the blade slots through the lug bosses. The impeller rotates and can throw the shot blasting opening from directional cover through the blade and the shot that goes out accelerates once more, makes shot speed faster, and the descaling effect is better, and blade slot, bellying platform can make the installation of blade on the impeller more stable with the setting up that corresponds the platform, and the phenomenon that the blade drops when avoiding the high-speed rotation of impeller improves the security.
Drawings
To more clearly illustrate the technical solutions in the prior art or the embodiments of the present invention, the drawings used in the description of the prior art or the embodiments are briefly introduced below.
FIG. 1 is a schematic diagram of the overall structure of a special high-power impeller head of the physical descaling device.
Fig. 2 is a sectional view of fig. 1.
Fig. 3 is a sectional view of the rotation connection structure of fig. 1.
Fig. 4 is a schematic diagram of the exploded structure of fig. 3.
FIG. 5 is a schematic view of the orientation sleeve coupled to the inner ring by a securing structure.
Fig. 6 is a schematic diagram of an exploded structure of the impeller of fig. 1.
Fig. 7 is a cross-sectional view of a shot blast apparatus orientation sleeve position.
Reference numerals: 1. shot blasting box; 11. an interior space; 12. a projectile opening; 13. a first mounting port; 14. a second mounting opening; 2. a main shaft; 3. a pill separating wheel; 31. a shot blasting window; 4. an orientation sleeve; 41. a flange structure; 42. opening a shot blasting; 43. a first annular seal groove; 5. a feed pipe; 51. a second annular seal groove; 52. an annular seal ring; 61. an inner ring; 610. an annular raceway; 611. an annular boss; 62. a cylindrical roller; 63. a retainer ring; 64. a first outer ring; 641. a first annular limiting groove; 642. a first stop flange; 65. a second outer ring; 651. a second annular limiting groove; 652. a second position-defining flange; 653. an outer ring fixing hole; 71. limiting the opening; 72. fixing bolt holes; 73. a limit bolt; 81. a cylinder fixing plate; 82. a cylinder; 821. a cylinder barrel; 822. a piston shaft; 83. connecting blocks; 9. an impeller; 91. a first disc; 911. a first circular hole; 92. a second disc; 921. a second circular hole; 93. connecting columns; 94. a blade; 941. a boss; 95. a blade slot; 10. and (4) combining the belts.
Detailed Description
In order to make the technical solution better understood by those skilled in the art, the technical solution 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 embodiments. All other embodiments that can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present application shall fall within the protection scope of the present application.
It is noted that the terms first, second and the like in the claims and in the description of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation. Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application can be understood by those skilled in the art as appropriate. In addition, the term "plurality" shall mean two as well as more than two. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Examples
The embodiment provides a special high-power impeller head for physical descaling equipment, as shown in fig. 1-2, comprising: shot blasting box 1, main shaft 2, shot separating wheel 3, directional sleeve 4, feeding pipe 5 and angle adjustment mechanism. Wherein: the shot blasting box 1 is provided with an inner space 11 and a connected ejection port 12, and a first mounting port 13 and a second mounting port 14 are formed in the side wall of the shot blasting box in a relatively opened mode; one end of the main shaft 2 is connected with the driving device, and the other end of the main shaft is rotatably arranged at the position of the first mounting port 13 and extends into the shot blasting box 1; the shot separating wheel 3 is cylindrical, one end of the shot separating wheel is open, the other end of the shot separating wheel is closed, a plurality of shot blasting windows 31 are formed in the shot separating wheel 3 along the circumferential direction of the side wall, the closed end of the shot separating wheel 3 is fixedly connected with the end part of one end of the main shaft 2 extending into the shot blasting box 1 after the shot separating wheel 3 is installed inside the shot blasting box 1; the directional sleeve 4 is cylindrical, two ends of the directional sleeve are open, one end of the directional sleeve is provided with a flange structure 41, the side wall of the directional sleeve is provided with a shot blasting opening 42, the directional sleeve 4 is sleeved on the periphery of the shot separating wheel 3, and the flange structure 41 on the directional sleeve extends out of the shot blasting box 1 from the second mounting port 14 and is mounted outside the shot blasting box 1 through a rotary connecting structure; the feeding pipe 5 is in a shape of a cylinder with arc bending, two ends of the feeding pipe are opened, one end of the feeding pipe extends into the position, opposite to the shot distributing wheel 3, in the directional sleeve 4 from the flange structure 41, and the other end of the feeding pipe is bent and extends towards the outside of the shot blasting box 1; the angle adjusting mechanism is arranged outside the shot blasting box 1 and connected with the rotary connecting structure.
According to the special high-power impeller head for the physical descaling equipment, steel shots enter the shot distributing wheel 3 through the feeding pipe 5 in a free-falling mode, the shot distributing wheel 3 is driven by the main shaft 2 to rotate at a high speed, then the steel shots are accelerated, the accelerated steel shots are thrown out from the shot blasting window 31 and directionally fly out through the shot blasting opening 42 on the directional sleeve 4, the directionally flying out steel shots are accelerated by the impeller 9 and then fly out from the shot blasting opening 12, and the shots are hit on the surface of a hot rolled coiled sheet to descale the surface of the hot rolled coiled sheet; when the width of the processed hot rolled coil is changed, the rotating connecting structure is driven by the angle adjusting mechanism, the orientation sleeve 4 is driven to rotate, correspondingly, the position of the shot blasting opening 42 on the orientation sleeve 4 is changed, finally, the width of the steel shot thrown out by the shot blasting machine is also changed, the width of the steel shot thrown out by the shot blasting machine is adapted to the width of the hot rolled coil by reasonably adjusting the rotating direction and the angle of the orientation sleeve 4, and therefore the shot blasting machine can adjust the striking width of the steel shot without stopping the machine, and can strike and descale the hot rolled coil with different widths.
As shown in fig. 3, in the special high-power impeller head for physical descaling equipment of the present embodiment, the rotary connection structure is a cylindrical roller bearing, and the flange structure 41 is clamped inside an inner ring 61 on the cylindrical roller bearing and is limited by a fixing structure; when the orientation sleeve 4 needs to be rotated to adjust the position of the shot blasting opening 42, the inner ring 61 is driven by the angle adjusting mechanism to rotate relative to the outer ring on the cylindrical roller bearing, so that the orientation sleeve 4 can be driven to rotate, and the purpose of adjusting the direction of the shot blasting opening 42 is achieved; and the cylindrical roller bearing can bear large force, and the rotating process is more stable.
As shown in fig. 4, the rotating connection structure of the high-power impeller head special for the physical descaling equipment of the embodiment includes: an inner ring 61, cylindrical rollers 62, a retainer ring 63, a first outer ring 64, and a second outer ring 65. Wherein, the middle part of the outer wall of the inner ring 61 is provided with an annular raceway 610 along the circumferential direction, and two sides of the annular raceway are respectively provided with an annular boss 611; the cylindrical rollers 62 are provided with a plurality of cylindrical rollers and are uniformly arranged inside the annular roller path 610; two retaining rings 63 are sleeved on the outer wall of the inner ring 61 and are abutted to the annular boss 611, and the retaining rings 63 are higher than the annular boss 611; the first outer ring 64 is detachably and fixedly connected with the second outer ring 65, the first outer ring 64 is sleeved on the outer side of the part, close to the shot blasting box 1, of the inner ring 61, and is provided with a first annular limiting groove 641 matched with the retainer ring 63 and a first limiting flange 642 sleeved on the outer side of the cylindrical roller 62; the second outer ring 65 is sleeved on the outer side of the part, far away from the shot blasting box 1, of the inner ring 61 and is provided with a second annular limiting groove 651 matched with the retainer ring 63 and a second limiting flange 652 sleeved on the outer side of the first limiting flange 642; the design method can facilitate the installation of the cylindrical roller bearing, and the orientation sleeve 4 is installed and fixed, because the inner ring 61, the first outer ring 64 and the second outer ring 65 are all of complete circular ring structures, the bearing capacity is better, and when the inner ring 61 is pushed by the adjusting mechanism and then the orientation sleeve 4 is driven to rotate relative to the outer rings (the first outer ring 64 and the second outer ring 65), the rotation of the inner ring 61 relative to the outer rings is more accurate and smooth, jamming and eccentric wear cannot occur, and the using effect of the product is improved.
According to the special high-power impeller head for the physical descaling equipment, the outer diameter of the second outer ring 65 is larger than that of the first outer ring 64, the part, larger than that of the first outer ring 64, of the second outer ring 65 is provided with the outer ring fixing hole 653, and after the first outer ring 64 and the second outer ring 65 are detachably and fixedly connected, the second outer ring 65 is screwed and fixed on the outer wall of the impeller head 1 by penetrating through the outer ring fixing hole 653 through a bolt; this kind of mounting means for the rotation connection structure is stronger with shot-blasting box 1's an organic whole nature, and with the fixed first outer ring 64's of extrusion mode, has strengthened rotation connection structure's overall stability, and is more stable, accurate when driving inner ring 61 and then drive directional cover 4 through angle adjustment mechanism and rotate.
As shown in fig. 5, the fixing structure of the high-power impeller head special for the physical descaling equipment of the embodiment includes: a limit opening 71, a fixing bolt hole 72 and a limit bolt 73. Wherein: the limiting opening 71 is formed in the flange structure 41; the fixing bolt hole 72 is formed in the inner wall of the inner ring 61 and is opposite to the limiting opening 71; after the limiting bolt 73 penetrates through the limiting opening 71 and is fixedly connected with the fixing bolt hole 72 in a threaded mode, the fixed connection between the orientation sleeve 4 and the inner ring 61 is achieved, the stability of connection between the orientation sleeve 4 and the rotary connection structure is further improved, and the assembly and disassembly are more convenient.
The special high-power impeller head of physics descaling equipment of this embodiment, angle guiding mechanism includes: a cylinder fixing plate 81, a cylinder 82 and a connecting block 83. Wherein: the cylinder 82 is provided with a cylinder barrel 821 and a piston shaft 822, the end of the cylinder barrel 821 is rotatably connected with the cylinder fixing plate 81, and the free end of the piston shaft 822 is rotatably connected with the connecting block 83; the cylinder fixing plate 81 is fixedly arranged on the outer side of the shot blasting box 1; the connecting block 83 is connected with the cylinder 82 and then fixedly connected with the inner ring 61 on the rotary connecting structure. Through the expansion and contraction of the piston shaft 822 of the cylinder 82, the connecting block 83 is driven, the inner ring 61 of the rotary connecting structure is driven to rotate relative to the outer ring, the directional sleeve 4 is driven to rotate, the angle position of the shot blasting opening 42 is changed, and the purpose of adjusting the width of a cast shot to be cast is achieved.
As shown in fig. 6, the high-power impeller head special for physical descaling equipment of the embodiment further includes an impeller 9 sleeved outside the directional sleeve 4, and the impeller 9 includes: a first disc 91, a second disc 92, a connecting post 93 and a vane 94. Wherein: one end of the first disc 91 is fixedly connected with one end of the main shaft 2, which extends into the shot blasting box 1, the other end of the first disc is provided with a plurality of blade slots 95, and the middle part of the first disc 91 is provided with a first round hole 911 for the end part of the shot separating wheel 3 to penetrate out; a plurality of blade slots 95 are also formed in one end face, opposite to the first disc 91, of the second disc 92, and a second round hole 921 for the end of the orientation sleeve 4 to penetrate through is formed in the middle of the second disc 92; the connecting columns 93 are provided with a plurality of connecting columns, are positioned between the first circular disc 91 and the second circular disc 92 and are fixedly connected with the first circular disc 91 and the second circular disc 92; the two sides of the blade 94 are provided with a plurality of bosses 941, and the blade slot 95 is provided with a plurality of corresponding platforms matching with the bosses. The blades 94 are connected and fixed to the blade insertion grooves 95 of the two disks (the first disk 91 and the second disk 92) and the corresponding stages of the blade insertion grooves 95 via the boss 941. Design like this, can make the installation of blade 94 on impeller 9 more stable, avoid impeller 9 to rotate at a high speed, when accelerating once more to the shot that throws out from directional cover 4, take place the phenomenon that blade 94 drops, improve the whole security of equipment.
The special high-power impeller head for the physical descaling equipment is further provided with a coupling belt 10, one end, far away from the impeller head box 1, of the main shaft 2 is connected with a driving device through the coupling belt 10 and matched with the high-power driving device for use, and therefore the transmission efficiency of the equipment is improved.
As shown in fig. 7, the special high-power impeller head for physical descaling equipment of this embodiment further includes: a first annular seal groove 43, a second annular seal groove 51 and an annular seal ring 52. Wherein: a first annular sealing groove 43 is provided on the inner wall of the orienting sleeve; the second annular sealing groove 51 is formed in the outer wall of the feeding pipe 5; annular seal rings 52 are mounted inside the first annular seal groove 43 and the second annular seal groove 51. The orientation sleeve 4 and the feeding pipe 5 are fixedly connected through the annular sealing grooves (the first annular sealing groove 43 and the second annular sealing groove 51) and the annular sealing ring 52, so that sealing is ensured, relative rotation can be realized, the feeding pipe 5 cannot be separated from the orientation sleeve 4, and the orientation sleeve 4 can be pushed to rotate by the angle adjusting mechanism to change the width of the shot cast.
The special high-power impeller head for the physical descaling equipment in the embodiment has the following working process:
the steel shots enter the shot distributing wheel 3 through the feeding pipe 5 in a free falling mode, the shot distributing wheel 3 is driven by the main shaft 2 to rotate at a high speed, then the steel shots are accelerated, the accelerated steel shots are thrown out from the shot blasting window 31 and directionally fly out through a shot blasting opening 42 on the directional sleeve 4, the directionally flying steel shots are accelerated by the impeller 9 and then fly out from the shot blasting opening 12, the shots are hit on the surface of the hot rolled coil, and descaling treatment is carried out on the surface of the hot rolled coil; when the width of the processed hot rolled coil is changed, the rotating connecting structure is driven by the angle adjusting mechanism, the orientation sleeve 4 is driven to rotate, correspondingly, the position of the shot blasting opening 42 on the orientation sleeve 4 is changed, finally, the width of the steel shot thrown out by the shot blasting machine is also changed, the width of the steel shot thrown out by the shot blasting machine is adapted to the width of the hot rolled coil by reasonably adjusting the rotating direction and the angle of the orientation sleeve 4, and therefore the shot blasting machine can adjust the striking width of the steel shot without stopping the machine, and can strike and descale the hot rolled coil with different widths.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications therefrom are within the scope of the invention.
Claims (8)
1. The utility model provides a special high-power impeller head of physics descaling equipment which characterized in that includes:
the shot blasting box (1) is provided with an inner space (11), a blasting port (12) communicated with the inner space (11), and a first mounting port (13) and a second mounting port (14) which are oppositely formed on the side wall of the shot blasting box (1);
one end of the main shaft (2) is connected with the driving device, and the other end of the main shaft is rotatably arranged at the position of a first mounting port (13) of the shot blasting box (1) and extends into the shot blasting box (1);
the shot separating wheel (3) is cylindrical, one end of the shot separating wheel is open, the other end of the shot separating wheel is closed, and a plurality of shot blasting windows (31) are uniformly formed in the circumferential direction of the side wall; the shot separating wheel (3) is arranged in the shot blasting box (1), and the closed end of the shot separating wheel is fixedly connected with the end part of the main shaft (2) extending into the shot blasting box (1);
the directional sleeve (4) is cylindrical, two ends of the directional sleeve are open, one end of the directional sleeve is provided with a flange structure (41), and the side wall of the directional sleeve is provided with a shot blasting opening (42); the flange structure (41) extends out of the shot blasting box (1) from the second mounting port (14) and is mounted on the shot blasting box (1) through a rotary connecting structure; the part of the orientation sleeve (4) positioned in the shot blasting box (1) is sleeved and arranged on the outer side of the shot separating wheel (3);
the feeding pipe (5) is in an arc-bent cylindrical shape, two ends of the feeding pipe are opened, one end of the feeding pipe extends into the directional sleeve (4) from the position of the flange structure (41) until the feeding pipe is opposite to the pill distributing wheel (3), and the other end of the feeding pipe is bent and extended outwards;
the angle adjusting mechanism is installed on the shot blasting box (1), connected with the rotating connecting structure and used for adjusting the rotating angle of the orientation sleeve (4) by pushing the rotating connecting structure.
2. The special high-power impeller head for the physical descaling equipment according to claim 1, wherein the rotary connecting structure is a cylindrical roller bearing, and the flange structure (41) is clamped inside an inner ring (61) of the cylindrical roller bearing and limited by a fixing structure.
3. The special high-power impeller head for the physical descaling equipment according to claim 2, wherein the rotary connecting structure comprises:
the inner ring (61), the middle part of the outer wall is provided with an annular raceway (610) along the circumferential direction, and two sides of the annular raceway (610) are provided with two annular bosses (611);
a plurality of cylindrical rollers (62) uniformly installed inside the annular raceway (610);
two retaining rings (63) can be sleeved on the outer wall of the inner ring (61) and are abutted to the annular boss (611); the retainer ring (63) is higher than the annular boss (611);
the first outer ring (64) is sleeved on the outer side of the part, close to the shot blasting box (1), of the inner ring (61), and is provided with a first annular limiting groove (641) matched with one of the retaining rings (63) and a first limiting flange (642) sleeved on the outer side of the cylindrical roller (62);
the second outer ring (65) is sleeved on the outer side of the part, far away from the shot blasting box (1), of the inner ring (61), is provided with a second annular limiting groove (651) matched with the other retaining ring (63), and is sleeved with a second limiting flange (652) on the outer side of the first limiting flange (642);
the first outer ring (64) is detachably and fixedly connected with the second outer ring (65).
4. The special high-power impeller head for the physical descaling equipment according to claim 3, wherein: the outer diameter of the second outer ring (65) is larger than that of the first outer ring (64), an outer ring fixing hole (653) is formed in the part, larger than that of the first outer ring (64), of the second outer ring (65), and the second outer ring is screwed on the outer wall of the shot blasting box (1) after penetrating through the outer ring fixing hole (653) by using a bolt.
5. The special high-power impeller head for the physical descaling equipment according to claim 3, wherein the fixing structure comprises:
a limit opening (71) provided on the flange structure (41);
the fixing bolt hole (72) is formed in the inner wall of the inner ring (61);
and the limiting bolt (73) penetrates through the limiting opening (71) and then is fixedly connected with the fixing bolt hole (72) in a threaded manner.
6. The special high-power impeller head for the physical descaling device according to claim 3, wherein the angle adjusting mechanism comprises:
the cylinder fixing plate (81) is fixedly arranged on the outer side of the shot blasting box (1);
a cylinder (82) having a bore (821) and a piston shaft (822), wherein: the end part of the cylinder barrel (821) is rotatably connected with the cylinder fixing plate (81); the free end of the piston shaft (822) is rotatably connected with the connecting block (83);
and the connecting block (83) is fixedly connected with the inner ring (61).
7. The special high-power impeller head for the physical descaling equipment according to claim 1, further comprising an impeller (9) sleeved outside the orientation sleeve (4), wherein the impeller (9) comprises:
one end of the first disc (91) is fixedly connected with one end of the main shaft (2) extending into the shot blasting box (1), and the other end of the first disc is provided with a plurality of blade slots (95); the middle part of the first disc (91) is provided with a first round hole (911) for the end part of the pill distributing wheel (3) to penetrate out;
a second disc (92), wherein a plurality of blade slots (95) are also arranged on one end surface opposite to the first disc (91); the middle part of the second disc (92) is provided with a second round hole (921) for the end part of the orientation sleeve (4) to penetrate through;
connecting columns (93) which are provided with a plurality of connecting columns and are positioned between the first circular disk (91) and the second circular disk (92) to fixedly connect the first circular disk (91) and the second circular disk (92);
and two side ends of the blade (94) are respectively arranged in the blade slots (95) which are oppositely arranged on the first disc (91) and the second disc (92).
8. The special high-power impeller head for physical descaling equipment according to claim 7, wherein a plurality of protruding platforms (941) are arranged on two sides of the blade (94), and a plurality of corresponding platforms matched with the protruding platforms (941) are arranged inside the blade slot (95).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210026552.4A CN114952636A (en) | 2022-01-11 | 2022-01-11 | Special high-power impeller head of physics descaling equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210026552.4A CN114952636A (en) | 2022-01-11 | 2022-01-11 | Special high-power impeller head of physics descaling equipment |
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| CN114952636A true CN114952636A (en) | 2022-08-30 |
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| CN202210026552.4A Pending CN114952636A (en) | 2022-01-11 | 2022-01-11 | Special high-power impeller head of physics descaling equipment |
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