CN220241161U - Spraying polishing structure for fine machining of inner cavity of conical copper sleeve - Google Patents
Spraying polishing structure for fine machining of inner cavity of conical copper sleeve Download PDFInfo
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- CN220241161U CN220241161U CN202323207588.1U CN202323207588U CN220241161U CN 220241161 U CN220241161 U CN 220241161U CN 202323207588 U CN202323207588 U CN 202323207588U CN 220241161 U CN220241161 U CN 220241161U
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- copper sleeve
- conical
- annular
- conical copper
- cavity
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 105
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 105
- 239000010949 copper Substances 0.000 title claims abstract description 105
- 238000005498 polishing Methods 0.000 title claims abstract description 45
- 238000003754 machining Methods 0.000 title claims abstract description 15
- 238000005507 spraying Methods 0.000 title claims abstract description 10
- 238000012545 processing Methods 0.000 claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 15
- 239000002245 particle Substances 0.000 claims abstract description 9
- 239000007921 spray Substances 0.000 claims abstract description 6
- 238000002156 mixing Methods 0.000 claims description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 239000012530 fluid Substances 0.000 claims description 16
- 238000003825 pressing Methods 0.000 claims description 16
- 239000003082 abrasive agent Substances 0.000 claims description 6
- 238000005086 pumping Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 230000005415 magnetization Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000003672 processing method Methods 0.000 abstract 1
- 239000011236 particulate material Substances 0.000 description 11
- 241000227287 Elliottia pyroliflora Species 0.000 description 6
- 239000000243 solution Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 210000001503 joint Anatomy 0.000 description 2
- 230000001050 lubricating effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 238000007517 polishing process Methods 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- 229910000881 Cu alloy Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
Classifications
-
- 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
Abstract
The utility model relates to a jet polishing structure for finish machining of an inner cavity of a conical copper sleeve, which comprises a machining table, a workpiece fixing piece, a nozzle unit and an umbrella cone head, wherein the machining table is arranged on the workpiece fixing piece; the conical copper sleeve is arranged on the processing table through a workpiece fixing piece, and the nozzle unit is arranged above the processing table; the spray nozzle of the nozzle unit is downwards opposite to the small opening at the top of the Ji Yuanzhui copper sleeve and is used for spraying the particle material into the conical copper sleeve to smooth the inner wall of the conical copper sleeve; the umbrella cone head is positioned inside the conical copper sleeve, and a conical annular flow guide channel can be formed between the umbrella cone head and the inner wall of the conical copper sleeve. The beneficial effects of the utility model are as follows: can realize the burnishing and polishing of circular cone copper sheathing inner wall, provide a new processing method for circular cone copper sheathing inner wall polishing, and the time of polishing is short, and it is effectual to polish.
Description
Technical Field
The utility model relates to polishing of an inner cavity of a copper sleeve, in particular to a jet polishing structure for finish machining of an inner cavity of a conical copper sleeve.
Background
The copper bush is also called a copper bearing, is a component used in sliding and rotating machinery, reduces friction, simultaneously transmits thrust and plays a role in supporting and fixing, the copper bush is required to be lubricated, the copper bush is also made of various copper alloys and used for lubricating mechanical parts, the copper bush can be used for various large-scale and heavy machinery and is an important component on the machinery, and the copper bush has the advantages of simple structure, low manufacturing cost, reliable operation and the like, and is an indispensable guide bearing component; copper sheathing surface roughness is one of the key factors affecting the efficiency and life of a mechanical transmission.
The roughness of the copper bush surface is generally expressed by Ra, and the smaller the Ra value is, the smoother the surface is; the copper sleeve is required to be polished after turning, so that the surface roughness of the copper sleeve reaches Ra0.4-0.8, the conical copper sleeve is one of the copper sleeves, the inner wall and the outer wall of the conical copper sleeve are inclined surfaces, the conical copper sleeve is fixed on a machine tool in a traditional inner wall polishing mode, a common tool used on the machine tool is replaced by a modified inner grinding head device to grind an inner frame of the copper sleeve, and a machine tool spindle is started during machining, so that the spindle drives a grinding head to rotate, and the grinding of an inner hole of the copper sleeve can be completed by utilizing the axial feed of the machine tool. In the actual production process, as the inner wall of the conical copper sleeve is an inclined surface, the front end of the connecting shaft for installing the grinding head needs to be inclined by a certain angle, if the inclined angle is once deviated, the taper of the conical copper sleeve is deviated, and the conical copper sleeve is scrapped.
Therefore, the injection polishing structure for the finish machining of the inner cavity of the conical copper sleeve is provided, the polishing of the inner wall of the conical copper sleeve can be realized, a new machining mode is provided for the polishing of the inner wall of the conical copper sleeve, the problem that workpieces are scrapped due to the polishing of a machine tool in a traditional mode can be avoided, and the polishing time is short.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, provides the jet polishing structure for the finish machining of the inner cavity of the conical copper sleeve, can realize the polishing of the inner wall of the conical copper sleeve, provides a new machining mode for the polishing of the inner wall of the conical copper sleeve, can avoid the problem that a workpiece is scrapped due to the polishing of a machine tool in the traditional mode, and has the advantages of short polishing time, high efficiency and good benefit.
The aim of the utility model is realized by the following technical scheme:
the spray polishing structure is used for finishing the inner cavity of the conical copper sleeve and comprises a processing table, a workpiece fixing piece, a nozzle unit and an umbrella cone head; the conical copper sleeve is arranged on the processing table through a workpiece fixing piece, and the nozzle unit is arranged above the processing table; the spray nozzle of the nozzle unit is downwards opposite to the small opening at the top of the Ji Yuanzhui copper sleeve and is used for spraying the particle material into the conical copper sleeve to smooth the inner wall of the conical copper sleeve; the umbrella cone head is positioned inside the conical copper sleeve, and a conical annular flow guide channel can be formed between the umbrella cone head and the inner wall of the conical copper sleeve.
During processing, the conical copper sleeve is fixed on the processing table through the workpiece fixing piece and sleeved outside the conical head, the conical head guides the particulate material, so that the particulate material sprayed at high speed flows through the inner wall of the conical copper sleeve, good polishing is formed on the inner wall of the conical copper sleeve, the included angle between the spraying direction of the particulate material and the inner wall of the conical copper sleeve is smaller, the conical copper sleeve polishing machine is suitable for finish machining of the conical copper sleeve, and polishing efficiency is greatly improved.
In a preferred embodiment of the present solution, the workpiece fixing member includes a supporting seat and a pressing plate; the supporting seat is fixed on the processing table and is internally provided with a placing cavity; an annular supporting table is arranged in the placing cavity, and the large-caliber end of the conical copper sleeve can be placed on the annular supporting table in a fitting way; the pressing plate can be covered with the top of the supporting seat to press the conical copper sleeve between the annular supporting table and the pressing plate; the middle part of the pressing plate is provided with a circular opening which can be matched and butted with a small opening at the top of the conical copper sleeve; a channel cavity is formed in the annular supporting table and can be matched and butted with a large opening at the bottom of the conical copper sleeve; and the bottom of the channel cavity is communicated with a pumping pipeline. The particle materials sprayed downwards by the nozzle can be pumped out through the pumping pipeline after passing through the circular opening, the inner cavity of the conical copper sleeve and the channel cavity in sequence.
In a preferred embodiment of the scheme, the umbrella cone head is arranged inside the supporting seat, the bottom of the umbrella cone head is fixedly provided with a rotating shaft, and the rotating shaft penetrates out of the bottom of the supporting seat downwards and is in transmission connection with the output end of the motor; the upper surface of the top of the umbrella cone head is provided with a plurality of umbrella-shaped convex cambered surfaces and concave cambered surfaces which are arranged at intervals along the circumferential direction of the cone.
The angle of the particulate material guided by the convex cambered surface is different from the angle of the particulate material guided by the concave cambered surface flowing to the inner wall of the conical copper sleeve, and when the driving motor drives the conical head of the umbrella to rotate, the arrangement of the convex cambered surface and the concave cambered surface can continuously change the polishing angle of the particulate material to the conical copper sleeve; and the polishing of the particle materials on the inner wall of the conical copper sleeve is more uniform, so that the polishing quality is improved.
In a preferred embodiment of the present solution, a rotary seal ring is disposed between the rotating shaft and the supporting seat. Can avoid the leakage of the particulate materials.
In a preferred embodiment of the present solution, the processing table includes a bottom plate and an annular mounting plate; the annular mounting plate is fixed above the bottom plate, and the bottom of the supporting seat can downwards extend out of an annular center hole of the annular mounting plate; the middle part of the supporting seat is provided with a mounting side plate, and the supporting seat can be fixedly locked on the annular mounting plate through the mounting side plate and a bolt.
In a preferred embodiment of the present solution, the nozzle unit includes a mixing chamber and an outer nozzle; the bottom of the mixing cavity is communicated with an accelerating section, and an outer nozzle is arranged at the bottom of the accelerating section; the top of the mixing cavity is provided with an abrasive material inlet and a grinding fluid inlet which are used for respectively inputting abrasive materials and grinding fluid into the mixing cavity; the side surface of the mixing cavity is also provided with a high-pressure water inlet. According to the scheme, the grinding material inlet, the grinding fluid inlet and the high-pressure water inlet can simultaneously input grinding material, grinding fluid and high-pressure water into the mixing cavity, and the inner wall of the conical copper sleeve is polished by the grinding material and the grinding fluid.
In a preferred embodiment of the scheme, the upper part of the mixing cavity is provided with an annular inlet, the high-pressure water inlet is communicated with the annular inlet, and the bottom of the annular inlet is provided with a plurality of water inlets which are obliquely downwards communicated with the mixing cavity. Can facilitate uniform mixing.
In a preferred embodiment of the present scheme, the bottom of the accelerating section is a sphere, and a plurality of discharging holes are arranged on the sphere; the bottom of the mixing cavity is also provided with a support frame, one end of a screw conveyer shaft is rotatably arranged in the middle of the support frame, and the other end of the screw conveyer shaft is rotatably arranged in the middle of the spherical surface; the upper part of the rotating shaft of the auger shaft is provided with a driven ring, and a plurality of first permanent magnets are embedded outside the ring of the driven ring; the outside of the mixing cavity is also sleeved with a driving ring, and a plurality of second permanent magnets with opposite magnetization directions with the first permanent magnets are embedded in the annular inner part of the driving ring. The driven ring can be driven to rotate by the rotation of the driving ring, so that the screw spindle can rotate; the auger shaft rotates at a high speed, so that high-pressure injection of materials can be facilitated, and the materials can be prevented from being blocked in an acceleration section.
Because the diameter of accelerating section is less, corresponding auger axle size is less, if the auger axle overlength, can damage because of unable transmission moment of torsion, consequently this scheme can't drive the auger in compounding chamber bottom setting motor and rotate. Therefore, the driving ring and the driven ring of the scheme can shorten the length of the auger shaft, and the auger shaft is installed in the accelerating section.
In a preferred embodiment of the scheme, the driving ring is arranged between an upper wear-resistant ring and a lower wear-resistant ring, and the upper wear-resistant ring and the lower wear-resistant ring are fixedly arranged on the upper mounting plate and the lower mounting plate respectively; the upper surface and the lower surface of the driving ring are respectively provided with an annular chute, a plurality of balls are arranged in the annular chute, and the upper wear-resistant ring and the lower wear-resistant ring are respectively provided with an annular ball chute corresponding to the annular chute; the lower mounting plate is also provided with at least two driving motors, the output ends of the driving motors are provided with driving fluted discs, and external teeth meshed with the driving fluted discs are arranged outside the driving rings.
The beneficial effects of the utility model are as follows:
(1) According to the scheme, the inner wall of the conical copper sleeve is polished in a mode of particle materials (abrasive water jet), the flow direction and the polishing angle of the abrasive water jet are changed through the flow guiding effect of the umbrella cone head in the polishing process, abrasive particles flow through the inner wall of the conical copper sleeve, the inner wall of the conical copper sleeve is polished, fine polishing processing of the inner wall of the conical copper sleeve is achieved, and polishing efficiency is improved;
(2) According to the scheme, the umbrella cone head is arranged in a rotating way, so that abrasive water jet forms a certain rotation inside the copper sleeve, a certain centrifugal force is exerted, meanwhile, the surface of the umbrella cone head is provided with a convex cambered surface and a concave cambered surface, the polishing angles of abrasive particles and water jet in the conical copper sleeve are changed continuously, automatic dynamic adjustment of the spraying angles is realized continuously, and uniform polishing of the inner wall of the conical copper sleeve is guaranteed more favorably;
(3) The scheme provides a nozzle unit, which can mix water, grinding fluid and abrasive, then the water, the grinding fluid and the abrasive are sprayed into a conical copper sleeve from a circular opening of a pressing plate to polish the inner wall of the conical copper sleeve through an outer nozzle; according to the scheme, the water, the grinding fluid and the grinding material are mixed, so that the flow property of the grinding material is improved, the functions of cooling and punching and transporting chips are achieved, the lubricant in the grinding fluid can provide better lubricating property for the grinding material, the grinding effect is improved, and fine grinding processing is facilitated.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a workpiece fixture of the present utility model;
FIG. 3 is a schematic view of a nozzle unit according to the present utility model;
FIG. 4 is an enlarged pictorial illustration at the auger shaft of the present utility model;
FIG. 5 is an enlarged pictorial illustration of the present utility model at a mixing chamber;
wherein, 1, placing a cavity; 2. a support base; 3. a pressing plate; 4. a channel cavity; 5. conical copper sleeve; 6. drawing out the pipeline; 7. an umbrella cone head; 8. rotating the seal ring; 9. a processing table; 11. a mixing cavity; 12. an acceleration section; 13. an outer nozzle; 14. a support frame; 15. an auger shaft; 16. a slave ring; 17. a drive ring; 18. an upper wear ring; 19. a lower wear ring; 20. an upper mounting plate; 21. a lower mounting plate; 22. a driving motor; 23. driving the fluted disc; 25. an annular inlet; 201. installing a side plate; 301. a circular opening; 701. a rotating shaft; 901. a bottom plate; 902. an annular mounting plate; 1101. an abrasive inlet; 1102. a grinding fluid inlet; 1103. a high pressure water inlet; 2501. and a water inlet.
Detailed Description
The technical scheme of the present utility model is described in further detail below with reference to specific embodiments, but the scope of the present utility model is not limited to the following description.
As shown in fig. 1 and 2, the jet polishing structure for the finish machining of the inner cavity of the conical copper sleeve comprises a machining table 9, a workpiece fixing piece, a nozzle unit and an umbrella cone head 7; the conical copper sleeve 5 is arranged on the processing table 9 through a workpiece fixing piece, and the nozzle unit is arranged above the processing table 9; the spray nozzle of the nozzle unit is downwards opposite to the small opening at the top of the Ji Yuanzhui copper sleeve 5 and is used for spraying the particle material into the conical copper sleeve 5 to smooth the inner wall of the conical copper sleeve 5; the umbrella cone head 7 is positioned inside the conical copper sleeve 5, a cone annular flow guide channel can be formed between the umbrella cone head 7 and the inner wall of the conical copper sleeve 5, and the flow direction of the particulate material sprayed into the conical copper sleeve 5 is changed after being guided by the umbrella cone head 7.
During processing, the conical copper sleeve 5 is fixed on the processing table 9 through the workpiece fixing piece and sleeved outside the umbrella cone head 7, the umbrella cone head 7 forms flow guide, and the spraying direction of the particulate material is changed, so that the particulate material sprayed out at high speed can be outwards diffused and flow through the inner wall surface of the conical copper sleeve at a certain speed and angle, and the inner wall of the conical copper sleeve 5 can be well polished.
In order to realize the rapid fixation of the conical copper sleeve 5, in the scheme, the workpiece fixing piece comprises a pressing plate 3 and a supporting seat 2 fixed on a processing table 9, the conical copper sleeve 5 is placed in a placing cavity 1 of the supporting seat 2, and the large-caliber end of the conical copper sleeve 5 can be placed on an annular supporting table in a fitting way; the pressing plate 3 is covered with the top of the supporting seat 2, and the conical copper sleeve 5 can be propped between the annular supporting table and the pressing plate 3 after the covering.
In the embodiment, a circular opening 301 which is in fit and butt joint with a small opening at the top of a conical copper sleeve 5 is arranged in the middle of a pressing plate 3, a channel cavity 4 is formed in the annular supporting table, the channel cavity 4 is in fit and butt joint with a large opening at the bottom of the conical copper sleeve 5, and a pumping pipeline 6 is communicated with the bottom of the channel cavity 4; thus, in this embodiment, the particulate material sprayed downward from the nozzle may be pumped through the circular opening 301, the inner cavity of the conical copper sleeve 5, and the channel cavity 4 in this order, and then pumped through the pumping pipe 6.
Optionally, in this scheme, the umbrella cone head 7 is disposed inside the supporting seat 2, the bottom of the umbrella cone head 7 is fixedly provided with a rotating shaft 701, the rotating shaft 701 penetrates out of the bottom of the supporting seat 2 downwards and is connected with the output end of the motor in a transmission manner, and a rotary sealing ring 8 is disposed between the rotating shaft 701 and the supporting seat 2; the upper surface at the top of the umbrella cone head 7 is provided with a plurality of umbrella-shaped convex cambered surfaces and concave cambered surfaces, the convex cambered surfaces and the concave cambered surfaces are arranged at intervals along the circumferential direction of the cone, and the design of the convex cambered surfaces and the concave cambered surfaces can enable the polishing angle of the abrasive to be changed continuously, so that uniform polishing is guaranteed.
For ease of installation, referring to fig. 2, in this embodiment, the processing table 9 includes a bottom plate 901, an annular mounting plate 902; the annular mounting plate 902 is fixed above the bottom plate 901, and the bottom of the supporting seat 2 can downwards extend from an annular center hole of the annular mounting plate 902; the middle part of the supporting seat 2 is provided with a mounting side plate 201, and the supporting seat 2 can be fixedly locked on the annular mounting plate 902 through the mounting side plate 201 and bolts.
Referring to fig. 3 to 5, further, the nozzle unit includes a mixing cavity 11 and an outer nozzle 13; the bottom of the mixing cavity 11 is communicated with an accelerating section 12, and an outer nozzle 13 is arranged at the bottom of the accelerating section 12; the top of the mixing cavity 11 is provided with an abrasive material inlet 1101 and a grinding fluid inlet 1102 for respectively inputting abrasive materials and grinding fluid into the mixing cavity 11; the side of the mixing cavity 11 is also provided with a high-pressure water inlet 1103.
Optionally, in this embodiment, the upper portion of the mixing chamber 11 is provided with an annular inlet 25, the high-pressure water inlet 1103 is communicated with the annular inlet 25, and a plurality of water inlets 2501 which are obliquely communicated with the mixing chamber 11 downwards are formed at the bottom of the annular inlet 25.
Optionally, referring to fig. 3, the bottom of the accelerating section 12 is a sphere, and a plurality of discharging holes are formed on the sphere; the bottom of the mixing cavity 11 is also provided with a support frame 14, one end of a packing auger shaft 15 is rotatably arranged in the middle of the support frame 14, and the other end of the packing auger shaft 15 is rotatably arranged in the middle of the spherical surface; a secondary moving ring 16 is arranged on the upper part of the rotating shaft of the auger shaft 15, and a plurality of first permanent magnets are embedded outside the ring shape of the secondary moving ring 16; the outside of the mixing cavity 11 is also sleeved with a driving ring 17, and a plurality of second permanent magnets with opposite magnetization directions with the first permanent magnets are embedded in the annular inner part of the driving ring 17.
In order to be well matched, in the present embodiment, referring to fig. 4, the driving ring 17 is driven to rotate by the driving motor 22, the driving ring 17 is arranged between the upper wear-resistant ring 18 and the lower wear-resistant ring 19, and the upper wear-resistant ring 18 and the lower wear-resistant ring 19 are fixedly installed on the upper mounting plate 20 and the lower mounting plate 21 respectively; the upper surface and the lower surface of the driving ring 17 are respectively provided with an annular chute, a plurality of balls are arranged in the annular chute, and the upper wear-resistant ring 18 and the lower wear-resistant ring 19 are respectively provided with an annular ball chute corresponding to the annular chute, so that the driving ring 17 can be rotatably mounted by clamping the upper wear-resistant ring 18 and the lower wear-resistant ring 19 up and down.
In order to ensure the stable rotation of the driving ring 17, in this embodiment, four driving motors 22 are disposed on the lower mounting plate 21, a driving fluted disc 23 is disposed at the output end of the driving motor 22, and external teeth engaged with the driving fluted disc 23 are disposed outside the driving ring 17.
Before polishing, the conical copper sleeve 5 is installed in the supporting seat 2, and then the pressing plate 3 is locked on the supporting seat 2 to realize clamping installation of the conical copper sleeve 5. Alternatively, in this embodiment, the pressing plate 3 and the supporting seat 2 may be covered and locked by bolts.
During the polishing process:
s1, firstly starting a driving motor 22 to enable the umbrella cone head to be in a rotating state;
s2, opening a suction pump of the suction pipeline 6;
and S3, adding grinding fluid, abrasive and high-pressure water into the mixing cavity through a pump, forming abrasive water jet flow in the mixing cavity, continuously feeding, starting a motor to drive the auger shaft to rotate, and spraying a mixture of the grinding fluid, the abrasive and the water through an outer nozzle to process the inner surface of the conical copper sleeve.
The foregoing is merely a preferred embodiment of the utility model, and it is to be understood that the utility model is not limited to the form disclosed herein but is not to be construed as excluding other embodiments, but is capable of numerous other combinations, modifications and environments and is capable of modifications within the scope of the inventive concept, either as taught or as a matter of routine skill or knowledge in the relevant art. And that modifications and variations which do not depart from the spirit and scope of the utility model are intended to be within the scope of the appended claims.
Claims (9)
1. A spray polishing structure for conical copper sleeve inner chamber finish machining for the inner chamber of polishing processing conical copper sleeve (5), its characterized in that:
comprises a processing table (9), a workpiece fixing piece, a nozzle unit and an umbrella cone head (7);
the conical copper sleeve (5) is arranged on the processing table (9) through a workpiece fixing piece, and the nozzle unit is arranged above the processing table (9);
the spray nozzle of the nozzle unit is downwards opposite to the small opening at the top of the Ji Yuanzhui copper sleeve (5) and is used for spraying the particle material into the conical copper sleeve (5) to smooth the inner wall of the conical copper sleeve (5);
the umbrella cone head (7) is positioned inside the conical copper sleeve (5), and a conical annular flow guide channel can be formed between the umbrella cone head (7) and the inner wall of the conical copper sleeve (5).
2. The jet polishing structure for finishing an inner cavity of a conical copper sleeve according to claim 1, wherein: the workpiece fixing piece comprises a supporting seat (2) and a pressing plate (3);
the supporting seat (2) is fixed on the processing table (9), and a placing cavity (1) is arranged in the supporting seat;
an annular supporting table is arranged in the placing cavity (1), and the large-caliber end of the conical copper sleeve (5) can be attached to the annular supporting table;
the pressing plate (3) can be covered with the top of the supporting seat (2) to press the conical copper sleeve (5) between the annular supporting table and the pressing plate (3);
a circular opening (301) is arranged in the middle of the pressing plate (3), and the circular opening (301) can be matched and butted with a small opening at the top of the conical copper sleeve (5);
a channel cavity (4) is formed in the annular supporting table, and the channel cavity (4) can be in fit joint with the bottom of the conical copper sleeve (5) at a large opening;
the bottom of the channel cavity (4) is communicated with a pumping pipeline (6).
3. The jet polishing structure for finishing an inner cavity of a conical copper sleeve according to claim 2, wherein: the umbrella cone head (7) is arranged inside the supporting seat (2), the bottom of the umbrella cone head (7) is fixedly provided with a rotating shaft (701), and the rotating shaft (701) penetrates out of the bottom of the supporting seat (2) downwards and is in transmission connection with the output end of the motor;
the upper surface of the top of the umbrella cone head (7) is provided with a plurality of umbrella-shaped convex cambered surfaces and concave cambered surfaces which are arranged at intervals along the circumferential direction of the cone.
4. A jet polishing structure for finishing an inner cavity of a conical copper sleeve according to claim 3, wherein: a rotary sealing ring (8) is arranged between the rotating shaft (701) and the supporting seat (2).
5. The jet polishing structure for finishing an inner cavity of a conical copper sleeve according to claim 4, wherein: the processing table (9) comprises a bottom plate (901) and an annular mounting plate (902);
the annular mounting plate (902) is fixed above the bottom plate (901), and the bottom of the supporting seat (2) can downwards extend out from an annular center hole of the annular mounting plate (902);
the middle part of the supporting seat (2) is provided with a mounting side plate (201), and the supporting seat (2) can be fixedly locked on the annular mounting plate (902) through the mounting side plate (201) and a bolt.
6. The jet polishing structure for finishing an inner cavity of a conical copper sleeve according to any one of claims 1-5, wherein: the nozzle unit comprises a mixing cavity (11) and an outer nozzle (13);
the bottom of the mixing cavity (11) is communicated with an accelerating section (12), and an outer nozzle (13) is arranged at the bottom of the accelerating section (12);
an abrasive material inlet (1101) and a grinding fluid inlet (1102) are arranged at the top of the mixing cavity (11) and are used for respectively inputting abrasive materials and grinding fluid into the mixing cavity (11);
the side surface of the mixing cavity (11) is also provided with a high-pressure water inlet (1103).
7. The jet polishing structure for finishing an inner cavity of a conical copper sleeve according to claim 6, wherein: the upper part of the mixing cavity (11) is provided with an annular inlet (25), a high-pressure water inlet (1103) is communicated with the annular inlet (25), and a plurality of water inlets (2501) which are obliquely downwards communicated with the mixing cavity (11) are arranged at the bottom of the annular inlet (25).
8. The jet polishing structure for finishing an inner cavity of a conical copper sleeve according to claim 6, wherein: the bottom of the accelerating section (12) is a spherical surface, and a plurality of discharging holes are formed in the spherical surface;
the bottom of the mixing cavity (11) is also provided with a support frame (14), one end of an auger shaft (15) is rotatably arranged in the middle of the support frame (14), and the other end of the auger shaft (15) is rotatably arranged in the middle of the spherical surface;
a driven ring (16) is arranged at the upper part of a rotating shaft of the auger shaft (15), and a plurality of first permanent magnets are embedded outside the ring shape of the driven ring (16);
the outside of the mixing cavity (11) is also sleeved with a driving ring (17), and a plurality of second permanent magnets with opposite magnetization directions with the first permanent magnets are embedded in the annular shape of the driving ring (17).
9. The jet polishing structure for finishing an inner cavity of a conical copper sleeve according to claim 8, wherein: the driving ring (17) is arranged between the upper wear-resistant ring (18) and the lower wear-resistant ring (19), and the upper wear-resistant ring (18) and the lower wear-resistant ring (19) are fixedly arranged on the upper mounting plate (20) and the lower mounting plate (21) respectively;
the upper surface and the lower surface of the driving ring (17) are respectively provided with an annular chute, a plurality of balls are arranged in the annular chute, and the upper wear-resistant ring (18) and the lower wear-resistant ring (19) are respectively provided with an annular ball chute corresponding to the annular chute;
the lower mounting plate (21) is also provided with at least two driving motors (22), the output ends of the driving motors (22) are provided with driving fluted discs (23), and external teeth meshed with the driving fluted discs (23) are arranged outside the driving ring (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323207588.1U CN220241161U (en) | 2023-11-28 | 2023-11-28 | Spraying polishing structure for fine machining of inner cavity of conical copper sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323207588.1U CN220241161U (en) | 2023-11-28 | 2023-11-28 | Spraying polishing structure for fine machining of inner cavity of conical copper sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220241161U true CN220241161U (en) | 2023-12-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323207588.1U Active CN220241161U (en) | 2023-11-28 | 2023-11-28 | Spraying polishing structure for fine machining of inner cavity of conical copper sleeve |
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| Country | Link |
|---|---|
| CN (1) | CN220241161U (en) |
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2023
- 2023-11-28 CN CN202323207588.1U patent/CN220241161U/en active Active
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