CN110586525A - Device and method for brushing central hole of oil nozzle matching part for common rail oil injector - Google Patents
Device and method for brushing central hole of oil nozzle matching part for common rail oil injector Download PDFInfo
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- CN110586525A CN110586525A CN201910949345.4A CN201910949345A CN110586525A CN 110586525 A CN110586525 A CN 110586525A CN 201910949345 A CN201910949345 A CN 201910949345A CN 110586525 A CN110586525 A CN 110586525A
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- Prior art keywords
- nozzle matching
- matching part
- positioning plate
- brushing
- mounting hole
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- 230000001680 brushing effect Effects 0.000 title claims abstract description 76
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000004140 cleaning Methods 0.000 claims abstract description 80
- 238000003825 pressing Methods 0.000 claims abstract description 68
- 239000007788 liquid Substances 0.000 claims abstract description 20
- 230000008569 process Effects 0.000 claims abstract description 7
- 230000008878 coupling Effects 0.000 claims description 8
- 238000010168 coupling process Methods 0.000 claims description 8
- 238000005859 coupling reaction Methods 0.000 claims description 8
- 238000005406 washing Methods 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000000446 fuel Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 2
- 238000000889 atomisation Methods 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000002679 ablation Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000005201 scrubbing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Classifications
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- B08B1/12—
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- B08B1/32—
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B13/00—Accessories or details of general applicability for machines or apparatus for cleaning
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
- B08B3/04—Cleaning involving contact with liquid
- B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
Abstract
The invention discloses a device and a method for brushing a central hole of a nozzle matching part for a common rail oil injector, wherein cleaning brushes are sequentially clamped on chucks according to the number of the chucks of a gear assembly; the oil nozzle matching parts to be brushed penetrate through the first mounting holes of the pressing plate one by one and are placed in the second mounting holes of the first positioning plate, and cleaning liquid enters the center holes of the oil nozzle matching parts through the third mounting holes in the second positioning plate; the pressing plate applies pressure to the placed oil nozzle matching part to tightly press and fix the oil nozzle matching part; the cleaning brush rotates in the center hole of the oil nozzle matching part to perform rotary brushing, the upper clamp unit is driven to drive the oil nozzle matching part to move up and down in the rotary brushing process, and the cleaning brush moves up and down relative to the inside of the center hole of the oil nozzle matching part to perform up-and-down brushing. The invention effectively brushes the abrasive and the tiny burrs in the central hole of the oil nozzle matching part, greatly improves the brushing quality of the central hole of the oil nozzle matching part and ensures the reliability of the oil injector assembly; but also improves the brushing efficiency and reduces the production cost.
Description
Technical Field
The invention relates to a device and a method for brushing a central hole of a nozzle matching part for a common rail oil injector, and belongs to the technical field of automobile parts.
Background
The nozzle matching parts are key precision parts on the diesel engine fuel system electric control common rail fuel injector, and the quality of the nozzle matching parts directly influences the working quality of the diesel engine. If oil drops or atomization is poor, black smoke, carbon deposit and performance deterioration of the engine can be caused, the engine works unstably, and even piston top is ablated, cylinder pulling and early crankshaft abrasion, tile burning and other consequences can be caused. The nozzle tip matching parts are used as core parts of the fuel injector assembly, and the quality requirements of the nozzle tip matching parts are particularly important. Therefore, how to improve the quality of each process of the nozzle matching parts is always a research topic generally regarded by various manufacturers, is a key point for improving the service life of the nozzle matching parts, and becomes a main production process research object of various manufacturers.
The brushing of the central hole of the oil nozzle matching part is always a troublesome problem in the industry. The central hole of the prior art oil nozzle matching part is mainly brushed by a bench drill. As shown in fig. 1, the brush is first mounted on the drill chuck and locked; then pressing down a bench drill starting switch, and rotating the main shaft; opening a brushing liquid switch; inserting the small excircle of the needle valve body into the connecting sleeve, pinching the connecting sleeve by hand, inserting the brush into the central hole of the oil nozzle matching part for brushing, and ensuring that the brush is deep into the secondary hole for brushing for not less than 3 times; and taking down the brushed workpiece, downwards facing the end face of the workpiece, forcibly knocking 3 to 5 times on the nylon block, and finally inserting the tray and putting the tray. The method for brushing the central hole of the oil nozzle matching part is extremely low in efficiency, and most importantly, the situation that the oil nozzle matching part is not thoroughly brushed or is not thoroughly knocked is caused by the method, so that dirty or fine burrs still exist in the central hole, the cleanliness of the oil nozzle matching part is directly influenced, and if the central hole is provided with the oil nozzle matching part which is not brushed, the fine burrs are washed down under the condition of high-temperature and high-pressure impact in the working process, and the result is unreasonable. If the burr blocks the spray hole, the spray quality of the oil nozzle matching part is affected, the atomization of the oil nozzle matching part is poor, black smoke, carbon deposit and performance deterioration of the engine are caused, the engine works unstably, and even the consequences of piston top ablation, cylinder pulling, early crankshaft abrasion, tile burning and the like are generated.
In view of the above, a new central hole brushing solution for the nozzle tip matching part is needed to solve the above problems.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the device and the method for brushing the central hole of the oil nozzle matching part for the common rail oil injector, so that the grinding materials and the fine burrs in the central hole of the oil nozzle matching part are effectively brushed, and the brushing quality of the central hole of the oil nozzle matching part is greatly improved.
The technical scheme for solving the technical problems is as follows: the utility model provides a glib idol piece centre bore brushing device for common rail oil sprayer, includes locking unit, pressfitting unit, goes up anchor clamps unit, holds unit and lower anchor clamps unit, wherein:
the locking unit comprises a first screw, an upright post, a movable pressing block and a movable knob; the first screw is connected with the edge of the upright column through threads, the movable pressing block is arranged at the upper end of the upright column, a first screw hole is formed in the contact part of the movable pressing block and the upright column, the movable knob is provided with threads, and the upright column and the movable pressing block are screwed into a whole through the threads and the first screw hole;
the pressing unit comprises a pressing plate, one end of the movable pressing block bends downwards and applies pressure to the pressing plate, and a first mounting hole is formed in the pressing plate;
the upper clamp unit comprises a first positioning plate and a second positioning plate, the first positioning plate is positioned below the pressure plate, the first positioning plate is connected to the upper end of the second positioning plate, and a second mounting hole is formed in the first positioning plate; a third mounting hole is formed in the second positioning plate;
the accommodating unit is connected with the lower clamp unit and comprises a cleaning groove, and the upper clamp unit is placed in the cleaning groove;
the lower clamp unit comprises a third positioning plate, a positioning block and a gear assembly, a fourth mounting hole is formed in the third positioning plate, the positioning block is connected to the lower end of the third positioning plate, and the gear assembly is connected with the third positioning plate;
first mounting hole, second mounting hole, third mounting hole and fourth mounting hole align from top to bottom, first mounting hole and second mounting hole inboard are equipped with glib coupling spare, gear assembly upper portion is followed the fourth mounting hole stretches out, and the gear assembly includes the chuck, the chuck is connected with the washing brush, it follows to wash the brush third mounting hole inboard is passed and is stretched into inside the centre bore of glib coupling spare.
As a preferred scheme of the device for brushing the central hole of the oil nozzle matching part for the common rail oil injector, a first positioning pin is arranged at the edge of the second positioning plate, and the first positioning plate is connected with the second positioning plate through the first positioning pin; and the bottom of the second mounting hole is connected with a second positioning pin, and the second positioning pin positions a nozzle matching part arranged at the upper part of the second mounting hole.
As a preferred scheme of the oil nozzle matching part central hole brushing device for the common rail oil injector, a third positioning pin is arranged at the edge of the first positioning plate, and the pressing plate is connected with the first positioning plate through the third positioning pin.
As a preferred scheme of the oil nozzle matching part central hole brushing device for the common rail oil injector, the edge of the second positioning plate is also provided with a second screw hole, and the first screw connects the upright column and the second positioning plate into a whole through the second screw hole.
As a preferred scheme of the device for brushing the central hole of the oil nozzle matching part for the common rail oil injector, cleaning liquid is filled in the cleaning groove, enters the central hole of the oil nozzle matching part through the third mounting hole, and is filled in the gap between the cleaning brushes.
As the preferred scheme of the oil nozzle matching part central hole brushing device for the common rail oil injector, each cleaning brush is provided with a set of gear assembly, and the gear assembly further comprises a gear shaft, a gear body, a cylindrical roller bearing and a shaft sleeve; the gear shaft penetrates out of the fourth mounting hole through the center of the gear body, the top of the gear shaft is connected with the chuck, and the gear shaft is connected with the gear body through a key; the cylindrical roller bearing is arranged between the shaft sleeve and the gear shaft.
As a preferred scheme of the oil nozzle matching part central hole brushing device for the common rail oil injector, the lower end of the gear shaft is connected with a driving motor, the driving motor drives one of the gear shafts to rotate, the gear shaft drives the gear bodies to rotate, and linkage is formed among the gear bodies of the gear assemblies.
As a preferred scheme of the device for brushing the central hole of the oil nozzle matching part for the common rail oil injector, a skeleton oil seal is connected to the contact position of the gear shaft and the third positioning plate.
As a preferred scheme of the device for brushing the central hole of the oil nozzle matching part for the common rail oil injector, a second screw is arranged at the joint of the shaft sleeve, the positioning block and the third positioning plate, and the second screw penetrates through the third positioning plate and the shaft sleeve and extends into the positioning block.
The invention also provides a method for brushing the central hole of the oil nozzle matching part for the common rail oil injector, which is realized by adopting the device for brushing the central hole of the oil nozzle matching part for the common rail oil injector and comprises the following steps:
cleaning liquid is added into the cleaning tank in advance, and cleaning brushes are sequentially clamped on the clamping heads according to the number of the clamping heads of the gear assembly;
the oil nozzle matching parts to be scrubbed penetrate through the first mounting holes of the pressure plate one by one and are placed in the second mounting holes of the first positioning plate, cleaning liquid enters the center hole of the oil nozzle matching parts through the third mounting holes in the second positioning plate, and the cleaning liquid is filled in the gaps of the cleaning brushes;
the movable knob is rotated to enable the movable pressing block to move downwards, the movable pressing block applies pressure to the pressing plate, and the pressing plate applies pressure to the placed oil nozzle matching part to tightly press and fix the oil nozzle matching part;
the gear assembly rotates, the cleaning brush rotates inside a central hole of the oil nozzle matching part to perform rotary brushing, the upper clamp unit is driven to drive the oil nozzle matching part to move up and down in the rotary brushing process, and the cleaning brush moves up and down relative to the inside of the central hole of the oil nozzle matching part to perform up-and-down brushing;
after the brushing is finished, the movable knob is loosened to take down the pressing plate, the first positioning plate is communicated with the oil nozzle matching parts to be integrally taken down, and the oil nozzle matching parts which are completely cleaned are sequentially taken out and placed in the inserting disc for later use.
According to the invention, a first screw is connected with the edge of an upright post through threads, a movable pressing block is arranged at the upper end of the upright post, a first screw hole is formed in the contact part of the movable pressing block and the upright post, a thread is arranged on a movable knob, and the upright post and the movable pressing block are screwed into a whole through the thread and the first screw hole by the movable knob; one end of the movable pressing block bends downwards and applies pressure to the pressing plate, and a first mounting hole is formed in the pressing plate; the first positioning plate is positioned below the pressure plate, connected to the upper end of the second positioning plate and provided with a second mounting hole; a third mounting hole is formed on the second positioning plate; the upper clamp unit is placed in the cleaning tank; a fourth mounting hole is formed in the third positioning plate, the positioning block is connected to the lower end of the third positioning plate, and the gear assembly is connected with the third positioning plate; first mounting hole, second mounting hole, third mounting hole and fourth mounting hole align from top to bottom, and first mounting hole and second mounting hole inboard are equipped with glib coupling spare, and gear assembly upper portion stretches out from the fourth mounting hole, and the gear assembly includes the chuck, and the chuck is connected with the washing brush, and the washing brush passes and stretches into inside the centre bore of glib coupling spare from the third mounting hole inboard. The invention effectively brushes the abrasive and the tiny burrs in the central hole of the oil nozzle matching part, greatly improves the brushing quality of the central hole of the oil nozzle matching part and ensures the reliability of the oil injector assembly; but also improves the brushing efficiency and reduces the production cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
FIG. 1 is a schematic diagram illustrating a central hole brushing of a nozzle assembly in the prior art;
fig. 2 is a schematic structural view of a central hole brushing device of a nozzle matching part for a common rail oil injector according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of an upper fixture unit of a central hole brushing device of a nozzle matching part for a common rail injector according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a lower fixture unit of a nozzle adapter center hole brushing device for a common rail injector according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a cleaning brush of a central hole brushing device of a nozzle matching part for a common rail oil injector according to an embodiment of the present invention;
fig. 6 is a schematic diagram illustrating positions of a cleaning brush and a central hole of a nozzle matching part of the device for scrubbing the central hole of the nozzle matching part for the common rail oil injector according to the embodiment of the present invention;
fig. 7 is a schematic top view of a first positioning plate of a nozzle fitting central hole brushing device for a common rail oil injector according to an embodiment of the present invention;
fig. 8 is a partially enlarged schematic view of a contact position of a nozzle tip matching part and a first positioning plate of a nozzle tip matching part central hole brushing device for a common rail oil injector according to an embodiment of the present invention;
FIG. 9 is a schematic top view of a gear body distribution of a central hole brushing device of a nozzle couple for a common rail injector according to an embodiment of the present invention;
fig. 10 is a schematic structural diagram of a gear assembly of a central hole brushing device of a nozzle matching part for a common rail oil injector according to an embodiment of the present invention.
In the figure, 1, a locking unit; 2. a pressing unit; 3. an upper clamp unit; 4. an accommodating unit; 5. a lower clamp unit; 6. a first screw; 7. a column; 8. a movable compaction block; 9. a movable knob; 10. a first screw hole; 11. pressing a plate; 12. a first mounting hole; 13. a first positioning plate; 14. a second positioning plate; 15. a second mounting hole; 16. a third mounting hole; 17. a cleaning tank; 18. a third positioning plate; 19. positioning blocks; 20. a fourth mounting hole; 21. a nozzle tip coupler; 22. a chuck; 23. cleaning the brush; 24. a first positioning pin; 25. a second positioning pin; 26. a third positioning pin; 27. a second screw hole; 28. cleaning fluid; 29. a gear shaft; 30. a gear body; 31. a cylindrical roller bearing; 32. a shaft sleeve; 33. a drive motor; 34. framework oil seal; 35. a second screw.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
With reference to fig. 1 and fig. 2, there is provided a central hole brushing device for a nozzle matching part of a common rail oil injector, comprising a locking unit 1, a pressing unit 2, an upper clamp unit 3, an accommodating unit 4 and a lower clamp unit 5, wherein:
the locking unit 1 comprises a first screw 6, a stand column 7, a movable pressing block 8 and a movable knob 9; the first screw 6 is connected with the edge of the upright post 7 through threads, the movable pressing block 8 is arranged at the upper end of the upright post 7, a first screw hole 10 is formed in the contact part of the movable pressing block 8 and the upright post 7, the movable knob 9 is provided with threads, and the upright post 7 and the movable pressing block 8 are screwed into a whole through the threads and the first screw hole 10 by the movable knob 9;
the pressing unit 2 comprises a pressing plate 11, one end of the movable pressing block 8 bends downwards and applies pressure to the pressing plate 11, and a first mounting hole 12 is formed in the pressing plate 11;
with reference to fig. 3, the upper clamp unit 3 includes a first positioning plate 13 and a second positioning plate 14, the first positioning plate 13 is located below the pressure plate 11, the first positioning plate 13 is connected to an upper end of the second positioning plate 14, and a second mounting hole 15 is formed on the first positioning plate 13; a third mounting hole 16 is formed on the second positioning plate 14;
the accommodating unit 4 is connected with the lower clamp unit 5, the accommodating unit 4 comprises a cleaning groove 17, and the upper clamp unit 3 is placed in the cleaning groove 17;
with reference to fig. 4, the lower clamp unit 5 includes a third positioning plate 18, a positioning block 19 and a gear assembly, wherein a fourth mounting hole 20 is formed on the third positioning plate 18, the positioning block 19 is connected to the lower end of the third positioning plate 18, and the gear assembly is connected to the third positioning plate 18;
with reference to fig. 5 and 6, the first mounting hole 12, the second mounting hole 15, the third mounting hole 16 and the fourth mounting hole 20 are aligned up and down, a nozzle coupler 21 is arranged inside the first mounting hole 12 and the second mounting hole 15, the upper part of the gear assembly extends out of the fourth mounting hole 20, the gear assembly comprises a chuck 22, a cleaning brush 23 is connected to the chuck 22, and the cleaning brush 23 passes through the inside of the third mounting hole 16 and extends into the central hole of the nozzle coupler 21. The first mounting hole 12, the second mounting hole 15, the third mounting hole 16 and the fourth mounting hole 20 are aligned up and down to ensure that the cleaning brush 23 can accurately extend into a central hole of the oil nozzle matching part 21, and the cleaning brush 23 is connected with the chuck 22 and driven by a gear assembly to realize a rotary brushing effect.
Referring to fig. 3, 7 and 8, in an embodiment of the device for brushing the central hole of the nozzle matching part for the common rail oil injector, a first positioning pin 24 is arranged at the edge of the second positioning plate 14, and the first positioning plate 13 and the second positioning plate 14 are connected through the first positioning pin 24. The design of first locating pin 24 guarantees the relative stability in position between first locating plate 13 and the second locating plate 14, prevents to scrub the in-process position and takes place the drunkenness, guarantees the cleaning performance, avoids causing mechanical damage to glib talker idol 21. A second positioning pin 25 is connected to the bottom of the second mounting hole 15, and the second positioning pin 25 positions the nozzle fitting 21 placed on the upper portion of the second mounting hole 15. The second positioning pin 25 is used to position the nozzle fitting 21 placed in the second mounting hole 15. The edge of the first positioning plate 13 is provided with a third positioning pin 26, and the pressing plate 11 is connected with the first positioning plate 13 through the third positioning pin 26. The edge of the second positioning plate 14 is further provided with a second screw hole 27, and the first screw 6 connects the upright post 7 and the second positioning plate 14 into a whole through the second screw hole 27. The third positioning pin 26 ensures the relative stability of the position between the pressing plate 11 and the first positioning plate 13, and also plays a role in ensuring the cleaning effect and avoiding mechanical damage to the nozzle matching part 21.
In an embodiment of the device for brushing the central hole of the nozzle matching part for the common rail oil injector, the cleaning groove 17 is filled with a cleaning liquid 28, the cleaning liquid 28 enters the central hole of the nozzle matching part 21 through the third mounting hole 16, and the cleaning liquid 28 is filled in the gap of the cleaning brush 23. The choice of the cleaning liquid 28 is known to those skilled in the art, and during the cleaning process, the cleaning liquid 28 in the cleaning tank 17 can infiltrate into the central hole of the nozzle matching part 21 under the action of pressure, so as to ensure the cleaning effect.
Referring to fig. 5, specifically, the total length of the cleaning brush 23 is 100mm, the diameter of the central skeleton of the cleaning brush 23 is 2mm, each bristle of the cleaning brush 23 is made of 0.3mm nylon, and the length of the cleaning brush 23 is 45 mm. When in brushing work, the maximum diameter of the cleaning brush 23 is 8.5mm and is used for brushing the maximum aperture position of the central hole of the oil nozzle matching part 21, and the position of the diameter of the cleaning brush 23, which is 5.5mm, is used for refreshing the two-stage hole position of the central hole of the oil nozzle matching part 21.
Referring to fig. 9 and 10, in an embodiment of the device for brushing the central hole of the nozzle matching part for the common rail oil injector, each cleaning brush 23 is provided with a set of the gear assembly, and the gear assembly further comprises a gear shaft 29, a gear body 30, a cylindrical roller bearing 31 and a shaft sleeve 32; the gear shaft 29 penetrates out of the fourth mounting hole 20 through the center of the gear body 30, the top of the gear shaft 29 is connected with the chuck 22, and the gear shaft 29 is connected with the gear body 30 through a key; the cylindrical roller bearing 31 is disposed between the sleeve 32 and the gear shaft 29.
Specifically, the lower extreme of gear shaft 29 is connected with driving motor 33, driving motor 33 drives one of them gear shaft 29 rotates, gear shaft 29 drives gear body 30 rotates, a plurality of gear components form the linkage between the gear body 30. The contact position of the gear shaft 29 and the third positioning plate 18 is connected with a framework oil seal 34, and the framework oil seal 34 plays a role in sealing the bearing assembly and prevents cleaning liquid from entering the bearing assembly. A second screw 35 is arranged at the joint of the shaft sleeve 32, the positioning block 19 and the third positioning plate 18, and the second screw 35 penetrates through the third positioning plate 18 and the shaft sleeve 32 and extends into the positioning block 19.
Specifically, referring to fig. 9, for 30 gear bodies 30, under the action of a driving motor 33, one gear body 30 is driven to rotate, through the transmission action of the gear body 30, the rest 29 gear bodies 30 rotate simultaneously, the gear body 30 rotates to enable the gear shaft 29 to rotate, the upper end of the gear shaft 29 is provided with a chuck 22 (a wrench drill chuck 22 can be adopted), the cleaning brush 23 is just on the chuck 22, so that thirty-shaft cleaning brushes 23 rotate simultaneously, and therefore thirty oil nozzle matching parts 21 central holes are scrubbed simultaneously, the waste of personnel is reduced, and meanwhile, the production efficiency is greatly improved.
The invention also provides a method for brushing the central hole of the oil nozzle matching part for the common rail oil injector, which is realized by adopting the device for brushing the central hole of the oil nozzle matching part for the common rail oil injector and comprises the following steps:
adding a cleaning solution 28 into the cleaning tank 17 in advance, and sequentially clamping 30 cleaning brushes 23 on the clamping heads 22 according to the number of the clamping heads 22 of the gear assembly;
the nozzle matching parts 21 to be brushed pass through the first mounting holes 12 of the pressing plate 11 one by one and are placed in the second mounting holes 15 of the first positioning plate 13, cleaning liquid 28 enters the inside of the central hole of the nozzle matching parts 21 through the third mounting holes 16 on the second positioning plate 14, and the cleaning liquid 28 is filled in the gaps of the cleaning brushes 23;
the movable knob 9 is rotated to enable the movable pressing block 8 to move downwards, the movable pressing block 8 applies pressure to the pressing plate 11, and the pressing plate 11 applies pressure to the placed oil nozzle matching part 21 to tightly press and fix the oil nozzle matching part 21;
the gear assembly runs, the cleaning hairbrush 23 rotates inside the central hole of the oil nozzle matching part 21 to perform rotary brushing, the upper clamp unit 3 is driven to drive the oil nozzle matching part 21 to move up and down in the rotary brushing process, and the cleaning hairbrush 23 moves up and down relative to the inside of the central hole of the oil nozzle matching part 21 to perform up and down brushing;
after the brushing is finished, the movable knob 9 is loosened, the pressing plate 11 is taken down, the first positioning plate 13 is communicated with the oil nozzle matching parts 21 to be integrally taken down, and the cleaned oil nozzle matching parts 21 are sequentially taken out and placed in the inserting disc for later use.
The locking unit 1 of the invention is provided with a first screw 6, a column 7, a movable pressing block 8 and a movable knob 9; the first screw 6 is connected with the edge of the upright post 7 through threads, the movable pressing block 8 is arranged at the upper end of the upright post 7, a first screw hole 10 is formed in the contact part of the movable pressing block 8 and the upright post 7, the movable knob 9 is provided with threads, and the upright post 7 and the movable pressing block 8 are screwed into a whole through the threads and the first screw hole 10 by the movable knob 9; the pressing unit 2 comprises a pressing plate 11, one end of the movable pressing block 8 bends downwards and applies pressure to the pressing plate 11, and a first mounting hole 12 is formed in the pressing plate 11; the upper clamp unit 3 comprises a first positioning plate 13 and a second positioning plate 14, the first positioning plate 13 is positioned below the pressure plate 11, the first positioning plate 13 is connected to the upper end of the second positioning plate 14, and a second mounting hole 15 is formed on the first positioning plate 13; a third mounting hole 16 is formed on the second positioning plate 14; the containing unit 4 is connected with the lower clamp unit 5, the containing unit 4 comprises a cleaning groove 17, and the upper clamp unit 3 is placed in the cleaning groove 17; the lower clamp unit 5 comprises a third positioning plate 18, a positioning block 19 and a gear assembly, a fourth mounting hole 20 is formed on the third positioning plate 18, the positioning block 19 is connected to the lower end of the third positioning plate 18, and the gear assembly is connected with the third positioning plate 18; first mounting hole 12, second mounting hole 15, third mounting hole 16 and fourth mounting hole 20 are aligned from top to bottom, and first mounting hole 12 and the 15 inboard of second mounting hole are equipped with glib coupling 21, and gear assembly upper portion is stretched out from fourth mounting hole 20, and the gear assembly includes chuck 22, and chuck 22 is connected with washing brush 23, and washing brush 23 passes and stretches into inside the centre bore of glib coupling 21 from third mounting hole 16 is inboard. Compared with the prior art, the invention completely adopts a brand-new method to brush the seat surface of the central hole of the oil nozzle matching part 21, and adopts the cleaning hairbrush 23 with consistent appearance size to jointly act on the central hole of the oil nozzle matching part 21 to brush, and the operation is simple, thereby avoiding the waste of personnel and avoiding the scratch of personnel when brushing. Through the brand new design and the auxiliary action of the air cylinder and the motor, the central holes of a plurality of oil nozzle matching parts 21 can be simultaneously brushed on line, and the brushing times can be set according to the cleaning quality, so that the grinding materials I and the fine burrs in the central holes of the oil nozzle matching parts 21 can be more effectively brushed through mechanical brushing, the brushing quality of the central holes of the oil nozzle matching parts 21 is greatly improved, and the reliability of the oil injector assembly is ensured; but also improves the brushing efficiency and reduces the production cost.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The utility model provides a glib idol piece (21) centre bore brushing device for common rail oil sprayer, its characterized in that, includes locking unit (1), pressfitting unit (2), goes up anchor clamps unit (3), holds unit (4) and anchor clamps unit (5) down, wherein:
the locking unit (1) comprises a first screw (6), a stand column (7), a movable pressing block (8) and a movable knob (9); the first screw (6) is connected with the edge of the upright post (7) through threads, the movable pressing block (8) is arranged at the upper end of the upright post (7), a first screw hole (10) is formed in the contact part of the movable pressing block (8) and the upright post (7), the movable knob (9) is provided with threads, and the upright post (7) and the movable pressing block (8) are screwed into a whole through the threads and the first screw hole (10) by the movable knob (9);
the pressing unit (2) comprises a pressing plate (11), one end of the movable pressing block (8) bends downwards and applies pressure to the pressing plate (11), and a first mounting hole (12) is formed in the pressing plate (11);
the upper clamp unit (3) comprises a first positioning plate (13) and a second positioning plate (14), the first positioning plate (13) is positioned below the pressure plate (11), the first positioning plate (13) is connected to the upper end of the second positioning plate (14), and a second mounting hole (15) is formed in the first positioning plate (13); a third mounting hole (16) is formed in the second positioning plate (14);
the accommodating unit (4) is connected with the lower clamp unit (5), the accommodating unit (4) comprises a cleaning groove (17), and the upper clamp unit (3) is placed in the cleaning groove (17);
the lower clamp unit (5) comprises a third positioning plate (18), a positioning block (19) and a gear assembly, a fourth mounting hole (20) is formed in the third positioning plate (18), the positioning block (19) is connected to the lower end of the third positioning plate (18), and the gear assembly is connected with the third positioning plate (18);
first mounting hole (12), second mounting hole (15), third mounting hole (16) and fourth mounting hole (20) align from top to bottom, first mounting hole (12) and second mounting hole (15) inboard are equipped with glib coupling spare (21), gear assembly upper portion is followed fourth mounting hole (20) stretch out, and the gear assembly includes chuck (22), chuck (22) are connected with washing brush (23), wash brush (23) and follow third mounting hole (16) inboard is passed and is stretched into inside the centre bore of glib coupling spare (21).
2. The device for brushing the central hole of the nozzle matching part (21) for the common rail oil injector according to claim 1, wherein the edge of the second positioning plate (14) is provided with a first positioning pin (24), and the first positioning plate (13) and the second positioning plate (14) are connected through the first positioning pin (24); the bottom of the second mounting hole (15) is connected with a second positioning pin (25), and the second positioning pin (25) positions a nozzle matching part (21) arranged at the upper part of the second mounting hole (15).
3. The device for brushing the central hole of the nozzle matching part (21) for the common rail oil injector according to claim 1, characterized in that a third positioning pin (26) is arranged at the edge of the first positioning plate (13), and the pressure plate (11) is connected with the first positioning plate (13) through the third positioning pin (26).
4. The device for brushing the central hole of the nozzle matching part (21) for the common rail oil injector according to claim 1, wherein a second screw hole (27) is further formed in the edge of the second positioning plate (14), and the first screw (6) connects the upright post (7) and the second positioning plate (14) into a whole through the second screw hole (27).
5. The central hole brushing device of the nozzle matching part (21) for the common rail oil injector according to claim 1, wherein the cleaning groove (17) is filled with a cleaning liquid (28), the cleaning liquid (28) enters the central hole of the nozzle matching part (21) through the third mounting hole (16), and the cleaning liquid (28) is filled in the gap of the cleaning brush (23).
6. The central hole brushing device of the nozzle matching part (21) for the common rail oil injector according to claim 1, wherein each cleaning brush (23) is provided with a set of the gear assembly, and the gear assembly further comprises a gear shaft (29), a gear body (30), a cylindrical roller bearing (31) and a shaft sleeve (32); the gear shaft (29) penetrates out of the fourth mounting hole (20) through the center of the gear body (30), the top of the gear shaft (29) is connected with the chuck (22), and the gear shaft (29) is connected with the gear body (30) through a key; the cylindrical roller bearing (31) is arranged between the shaft sleeve (32) and the gear shaft (29).
7. The device for brushing the central hole of the nozzle matching part (21) for the common rail oil injector according to claim 6, wherein the lower end of the gear shaft (29) is connected with a driving motor (33), the driving motor (33) drives one of the gear shafts (29) to rotate, the gear shaft (29) drives the gear body (30) to rotate, and the gear bodies (30) of a plurality of gear assemblies are linked with each other.
8. The device for brushing the central hole of the nozzle matching part (21) for the common rail oil injector according to claim 6, wherein a framework oil seal (34) is connected to the contact position of the gear shaft (29) and the third positioning plate (18).
9. The device for brushing the central hole of the nozzle matching part (21) for the common rail oil injector according to claim 6, wherein a second screw (35) is arranged at the joint of the shaft sleeve (32), the positioning block (19) and the third positioning plate (18), and the second screw (35) penetrates through the third positioning plate (18) and the shaft sleeve (32) and extends into the positioning block (19).
10. A method for brushing a center hole of a nozzle matching part (21) for a common rail injector, which employs the device for brushing a center hole of a nozzle matching part (21) for a common rail injector according to any one of claims 1 to 9, characterized by comprising the steps of:
cleaning liquid (28) is added into the cleaning tank (17) in advance, and cleaning brushes (23) are sequentially clamped on the clamping heads (22) according to the number of the clamping heads (22) of the gear assembly;
the oil nozzle matching parts (21) to be brushed pass through the first mounting holes (12) of the pressing plate (11) one by one and are placed in the second mounting holes (15) of the first positioning plate (13), cleaning liquid (28) enters the center holes of the oil nozzle matching parts (21) through the third mounting holes (16) on the second positioning plate (14), and the cleaning liquid (28) is filled in gaps of the cleaning brushes (23);
the movable knob (9) is rotated to enable the movable pressing block (8) to move downwards, the movable pressing block (8) applies pressure to the pressing plate (11), and the pressing plate (11) applies pressure to the placed oil nozzle matching part (21) to press and fix the oil nozzle matching part (21);
the gear assembly runs, the cleaning hairbrush (23) rotates inside a center hole of the oil nozzle matching part (21) to perform rotary brushing, the upper clamp unit (3) is driven to drive the oil nozzle matching part (21) to move up and down in the rotary brushing process, and the cleaning hairbrush (23) moves up and down relative to the inside of the center hole of the oil nozzle matching part (21) to perform up and down brushing;
after the brushing is finished, the movable knob (9) is loosened to take down the pressing plate (11), the first positioning plate (13) is communicated with the oil nozzle matching parts (21) to be integrally taken down, and the cleaned oil nozzle matching parts (21) are sequentially taken out and placed in the inserting disc for later use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910949345.4A CN110586525A (en) | 2019-10-08 | 2019-10-08 | Device and method for brushing central hole of oil nozzle matching part for common rail oil injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910949345.4A CN110586525A (en) | 2019-10-08 | 2019-10-08 | Device and method for brushing central hole of oil nozzle matching part for common rail oil injector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110586525A true CN110586525A (en) | 2019-12-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910949345.4A Pending CN110586525A (en) | 2019-10-08 | 2019-10-08 | Device and method for brushing central hole of oil nozzle matching part for common rail oil injector |
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| Country | Link |
|---|---|
| CN (1) | CN110586525A (en) |
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| CN205438270U (en) * | 2016-04-12 | 2016-08-10 | 文登蓝岛建筑工程有限公司 | Single manual clamping mechanism of square steel tube unloading |
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| CN107877431A (en) * | 2017-11-14 | 2018-04-06 | 无锡华利达金属制品有限公司 | A kind of clamping device of bellows |
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