CN112792750A - Deburring device for plunger sleeve - Google Patents
Deburring device for plunger sleeve Download PDFInfo
- Publication number
- CN112792750A CN112792750A CN202110061100.5A CN202110061100A CN112792750A CN 112792750 A CN112792750 A CN 112792750A CN 202110061100 A CN202110061100 A CN 202110061100A CN 112792750 A CN112792750 A CN 112792750A
- Authority
- CN
- China
- Prior art keywords
- case
- mounting plate
- plunger
- water
- storage tank
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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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
- B24C1/083—Deburring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
- B03C1/00—Magnetic separation
- B03C1/02—Magnetic separation acting directly on the substance being separated
- B03C1/30—Combinations with other devices, not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C3/00—Abrasive blasting machines or devices; Plants
- B24C3/02—Abrasive blasting machines or devices; Plants characterised by the arrangement of the component assemblies with respect to each other
- B24C3/06—Abrasive blasting machines or devices; Plants characterised by the arrangement of the component assemblies with respect to each other movable; portable
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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
- B24C5/02—Blast guns, e.g. for generating high velocity abrasive fluid jets for cutting materials
- B24C5/04—Nozzles therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C7/00—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts
- B24C7/0007—Equipment for feeding abrasive material; Controlling the flowability, constitution, or other physical characteristics of abrasive blasts the abrasive material being fed in a liquid carrier
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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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Encapsulation Of And Coatings For Semiconductor Or Solid State Devices (AREA)
Abstract
The invention discloses a deburring device for a plunger bushing, which comprises a case, a case door, a water storage tank, a downcomer, a fixed rod, a high-pressure spray head, a sliding chute, a mounting plate, a plunger bushing hole, a spring, a cylinder, a plugging plate, a rubber block, a water pump, a water pumping pipe, a filter screen, a hose, a drain pipe, a right-angle block, a concave part, a magnet block, a supporting leg and a through hole, wherein the front surface of the case is hinged with the split case door through hinges, the inner bottom of the case is the water storage tank, the downcomer communicated with the bottom of the case is arranged at the central position of the bottom of the water storage tank, the horizontally arranged fixed rod is fixedly arranged in the case, two ends of the fixed rod are respectively and fixedly connected with the left inner side wall and the right inner side wall of the case, compared with the prior art, the deburring of the plunger bushing can be efficiently, the water resource is saved, and great convenience is brought to the plunger sleeve processing.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of automobile part processing equipment, in particular to a deburring device for a plunger sleeve.
[ background of the invention ]
The plunger sleeve is a sleeve outside the plunger in the engine fuel injection pump. The plunger and barrel of the fuel injection pump is one of three precise parts of diesel engine fuel system, and the plunger reciprocates in the plunger and barrel at high speed under the action of the cam of the fuel pump to pressurize fuel to certain pressure and start to press or drain fuel in set time. The oil supply system of the diesel engine is called a high-pressure oil pump and a fuel injector. The power comes from the engine itself. The oil suction and pressing of the injection pump are completed by the reciprocating motion of the plunger in the plunger sleeve. When the plunger is positioned at the lower part, two oil holes on the plunger sleeve are opened, the inner cavity of the plunger sleeve is communicated with an oil duct in the pump body, and fuel oil is quickly filled in the oil chamber. Deburring is the removal of burrs or flashes formed at the intersection of the face and the face of a part. The harmfulness of the burrs is particularly obvious, people pay more attention to the harmfulness of the burrs gradually, and research on a generation mechanism and a removal method of the burrs is started. At present, more enterprises use manual cleaning to remove the burrs of the plunger sleeve, the time and the labor are wasted, the working efficiency is influenced, the burrs on the surface of the plunger sleeve can be removed basically through manual cleaning, the removing effect of the burrs in the oil hole and the central hole of the plunger sleeve is poor, and therefore the improvement is needed.
[ summary of the invention ]
The invention aims to solve the problems in the prior art and provides a deburring device for a plunger sleeve.
In order to achieve the purpose, the invention provides a deburring device for a plunger sleeve, which comprises a case, a case door, a water storage tank, a sewer pipe, a fixed rod, a high-pressure spray head, a sliding groove, a mounting plate, a plunger sleeve hole, a spring, a cylinder, a plugging plate, a rubber block, a water pump, a water pumping pipe, a filter screen, a hose, a drain pipe, a right-angle block, a concave part, a magnet block, a supporting leg and a through hole, wherein the front side of the case is hinged with the case door which is divided in pairs through hinges, the water storage tank is arranged at the inner bottom of the case, the sewer pipe communicated with the bottom of the case is arranged at the central position of the bottom of the water storage tank, the horizontally arranged fixed rod is fixedly arranged in the case, two ends of the fixed rod are respectively and fixedly connected with the left inner side wall and the right inner side wall of, the left and right inner side walls of the case are symmetrically provided with vertically arranged sliding grooves, a horizontally arranged mounting plate is arranged between the two sliding grooves, two ends of the mounting plate are correspondingly arranged in the two sliding grooves, the mounting plate is in sliding fit with the sliding grooves, the mounting plate is positioned under a fixed rod, the upper part of the mounting plate is positioned under each high-pressure spray nozzle and is provided with a plunger sleeve hole penetrating through the mounting plate, the lower end of each sliding groove is fixedly provided with a spring arranged in the same direction as the sliding grooves, the upper ends of the two springs are respectively and fixedly connected with the bottoms at two ends of the mounting plate, the upper part of the case is fixedly provided with an air cylinder with an output shaft vertically arranged downwards, the output shaft of the air cylinder penetrates through the upper part of the case and extends into the case, the fixed rod and the mounting plate are respectively provided with through holes for the output shaft of the, the fixed shutoff board that is equipped with the level setting of lower extreme of the output shaft of cylinder, the shutoff board is located the mounting panel under, the fixed block rubber that is equipped with in upper portion of shutoff board, the fixed water pump that is equipped with in the outside of machine case, the end of drawing water of water pump is linked together through drinking-water pipe and aqua storage tank, the inboard of the one end that drinking-water pipe and aqua storage tank are linked together is equipped with the filter screen, every the upper end of high pressure nozzle all communicates and is equipped with the hose, the drainage end intercommunication of water pump is equipped with the drain pipe, every the hose all is linked together with the drain pipe, the fixed right angle piece that is equipped with two symmetries and sets up in bottom of machine case, every square depressed part, every all be equipped with the magnet piece in the depressed part, the fixed supporting leg that is equipped with a plurality of evenly distributed in bottom.
Preferably, the cabinet is made of rigid plastic.
Preferably, a valve is arranged on the sewer pipe.
Preferably, the cross-sectional area of the mounting plate is smaller than the cross-sectional area of the inner cavity of the chassis.
Preferably, the area of the cross section of the blocking plate is smaller than that of the cross section of the inner cavity of the chassis.
Preferably, the bottom of the water storage tank is designed in a funnel shape.
Preferably, the lower end of the supporting leg is provided with a universal self-locking wheel.
The invention has the beneficial effects that: the invention can conveniently install and fix the plunger sleeve by arranging the plunger sleeve holes penetrating through the mounting plate at the upper part of the mounting plate under each high-pressure spray nozzle, the springs which are arranged in the same direction with the sliding grooves are fixedly arranged at the lower ends of the sliding grooves, the upper ends of the two springs are respectively and fixedly connected with the bottoms at the two ends of the mounting plate, the elasticity of the springs can ensure that the upper end of the central hole of the plunger sleeve is more closely connected with the water spray opening of the high-pressure spray nozzle, the plugging plate is driven by the air cylinder to reciprocate up and down, when the plugging plate rises to the limit height, the rubber block can plug the lower end of the central hole of the plunger sleeve, water entering the central hole of the plunger sleeve can only be diverted and discharged from the oil hole, thus, burrs in the oil hole can be removed, when the plugging plate descends, the rubber block can not plug the lower end of the plunger sleeve, a large amount of water in the, can get rid of the burr in the plunger bushing centre bore, therefore the oilhole of plunger bushing and the burr in the centre bore can both be got rid of, water in the aqua storage tank is extracted by water pump circulation, can reuse, the water resource has been saved, the filter screen can prevent effectively that the debris of the aquatic of aqua storage tank from plugging up the drinking-water pipe, chassis bottom's magnet piece can be with the iron fillings absorption in the aqua storage tank at the tank bottom of aqua storage tank, effectively prevent that the iron fillings of the aquatic of aqua storage tank from being siphoned away by the water pump, compared with the prior art, the burr of getting rid of the plunger bushing that can be high-efficient quick, the efficiency and the effect of getting rid of the plunger bushing burr have been promoted, workman's intensity of labour has been reduced, water.
The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.
[ description of the drawings ]
Fig. 1 is a schematic structural diagram of a deburring device for a plunger sleeve.
In the figure: 1-case, 2-case door, 3-water storage tank, 4-sewer pipe, 5-fixed rod, 6-high pressure nozzle, 7-chute, 8-mounting plate, 9-plunger trepanning, 10-spring, 11-cylinder, 12-plugging plate, 13-rubber block, 14-water pump, 15-water pumping pipe, 16-filter screen, 17-hose, 18-drain pipe, 19-right angle block, 20-dent part, 21-magnet block, 22-supporting leg, 23-through hole.
[ detailed description ] embodiments
Referring to fig. 1, the deburring device for the plunger bushing of the invention comprises a case 1, a case door 2, a water storage tank 3, a downcomer 4, a fixed rod 5, a high-pressure nozzle 6, a chute 7, a mounting plate 8, a plunger bushing hole 9, a spring 10, an air cylinder 11, a plugging plate 12, a rubber block 13, a water pump 14, a water pumping pipe 15, a filter screen 16, a hose 17, a drain pipe 18, a right-angle block 19, a concave part 20, a magnet block 21, a support leg 22 and a through hole 23, wherein the front of the case 1 is hinged with the split case door 2 through hinges, the inner bottom of the case 1 is the water storage tank 3, the downcomer 4 communicated with the bottom of the case 1 is arranged at the center of the bottom of the water storage tank 3, the horizontally arranged fixed rod 5 is fixedly arranged inside the case 1, two ends of the fixed rod 5 are respectively fixedly connected with the left inner side wall and the right inner side wall of the case 1, the water spray nozzles of the high-pressure spray heads 6 are vertically and downwards arranged, the left and right inner side walls of the case 1 are symmetrically provided with vertically arranged sliding chutes 7, a horizontally arranged mounting plate 8 is arranged between the two sliding chutes 7, two ends of the mounting plate 8 are correspondingly arranged in the two sliding chutes 7, the mounting plate 8 is in sliding fit with the sliding chutes 7, the mounting plate 8 is positioned under the fixing rod 5, the upper part of the mounting plate 8 is positioned under each high-pressure spray head 6 and is provided with a plunger sleeve hole 9 penetrating through the mounting plate 8, the lower end of each sliding chute 7 is fixedly provided with a spring 10 arranged in the same direction as the sliding chute 7, the upper ends of the two springs 10 are respectively and fixedly connected with the bottoms of two ends of the mounting plate 8, the upper part of the case 1 is fixedly provided with an air cylinder 11 with an output shaft vertically and downwards arranged, the output shaft of the air cylinder 11 penetrates through the, the fixing rod 5 and the mounting plate 8 are respectively provided with a through hole 23 through which an output shaft of the air cylinder 11 can pass, the output shaft of the air cylinder 11 is arranged in the through hole 23 in a penetrating manner, a blocking plate 12 horizontally arranged is fixedly arranged at the lower end of the output shaft of the air cylinder 11, the blocking plate 12 is positioned under the mounting plate 8, a rubber block 13 is fixedly arranged at the upper part of the blocking plate 12, a water pump 14 is fixedly arranged at the outer side of the case 1, the pumping end of the water pump 14 is communicated with the water storage tank 3 through a pumping pipe 15, a filter screen 16 is arranged at the inner side of one end of the pumping pipe 15 communicated with the water storage tank 3, the upper end of each high-pressure spray head 6 is communicated with a hose 17, a drainage end of the water pump 14 is communicated with a drainage pipe 18, each hose 17 is communicated with the drainage pipe 18, two right-angle blocks 19 symmetrically, square depressed parts 20 are all seted up on the upper portion of every right angle piece 19's horizontal portion, every all be equipped with magnet piece 21 in the depressed part 20, the fixed supporting leg 22 that is equipped with a plurality of evenly distributed in the bottom of quick-witted case 1, quick-witted case 1 is made by rigid plastic, be equipped with the valve on the downcomer 4, the area of the cross section of mounting panel 8 is less than the area of the cross section of quick-witted case 1's inner chamber, the area of the cross section of shutoff board 12 is less than the area of the cross section of quick-witted case 1's inner chamber, the tank bottom of aqua storage tank 3 is the design of leaking hopper-shaped, the lower extreme of supporting leg 22 is equipped.
The working process of the invention is as follows: when the plunger sleeve needs to be deburred, the mounting plate 8 is pressed downwards firstly, then the plunger sleeve is inserted into the plunger sleeve hole 9, a flange plate outside the plunger sleeve is just clamped at the upper part of an orifice of the plunger sleeve hole 9, the mounting plate 8 slides upwards along the sliding groove 7 under the action of the elastic force of the spring 10, so that a water spraying port of the high-pressure spray head 6 is just inserted into the inner side of a central hole of the plunger sleeve, then the water pump 14 and the air cylinder 11 are started, the water pump 14 pumps water in the water storage tank 3 through the water pumping pipe 15, the water pump 14 conveys the water into the hose 17 through the water discharging pipe 18, the water in the hose 17 is sprayed out from the high-pressure spray head 6 at a high speed, when the air cylinder 11 drives the blocking plate 12 to rise to the limit height, the rubber block 13 at the upper part of the blocking plate 12 blocks the lower end of the central hole of the plunger sleeve, the water entering the central hole of the plunger, when the cylinder 11 drives the plugging plate 12 to descend, the rubber block 13 is separated from the lower end of the plunger sleeve, because the center hole of the plunger sleeve is vertically downward, and the diameter of the center hole of the plunger sleeve is larger than that of the oil hole, a large amount of water can pass through the center hole of the plunger sleeve, burrs in the center hole of the plunger sleeve can be removed, the water which washes the plunger sleeve flows into the water storage tank 3 again, because the filter screen 16 is arranged in the water pumping pipe 15, sundries in the water storage tank 3 can be effectively prevented from entering the water pumping pipe 15, the iron chips in the water storage tank 3 can be adsorbed at the bottom of the water storage tank 3 by the magnet block 21, when the iron chips in the water storage tank 3 need to be cleaned, only the magnet block 3 needs to be taken away, the iron chips in the water storage tank 3 can be discharged from the sewer pipe 4 after losing attraction, compared with the prior art, the burrs of the plunger sleeve can be efficiently and quickly removed, the labor intensity of workers is reduced, water resources are saved, and great convenience is brought to plunger sleeve processing.
The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.
Claims (7)
1. The utility model provides a plunger bushing burring device which characterized in that: comprises a case (1), a case door (2), a water storage tank (3), a downcomer (4), a fixing rod (5), a high-pressure spray head (6), a sliding groove (7), a mounting plate (8), a plunger sleeve hole (9), a spring (10), an air cylinder (11), a plugging plate (12), a rubber block (13), a water pump (14), a water pumping pipe (15), a filter screen (16), a hose (17), a drain pipe (18), a right-angle block (19), a depressed part (20), a magnet block (21), a supporting leg (22) and a through hole (23), wherein the front side of the case (1) is hinged with the split case door (2) through hinges, the inner bottom of the case (1) is the water storage tank (3), the downcomer (4) communicated with the bottom of the case (1) is arranged at the central position of the bottom of the water storage tank (3), the fixing rod (5) which is horizontally arranged is fixedly, the two ends of the fixed rod (5) are respectively fixedly connected with the left inner side wall and the right inner side wall of the case (1), a plurality of uniformly distributed high-pressure spray heads (6) are fixedly arranged on the fixed rod (5), water spray nozzles of the high-pressure spray heads (6) are vertically arranged downwards, the left inner side wall and the right inner side wall of the case (1) are symmetrically provided with vertically arranged sliding chutes (7), a horizontally arranged mounting plate (8) is arranged between the two sliding chutes (7), the two ends of the mounting plate (8) are correspondingly arranged in the two sliding chutes (7), the mounting plate (8) is in sliding fit with the sliding chutes (7), the mounting plate (8) is positioned under the fixed rod (5), the upper part of the mounting plate (8) is positioned under each high-pressure spray head (6) and is provided with a plunger trepanning (9) penetrating through the mounting plate (8), the lower end of each sliding chute (7) is fixedly provided with a spring (10) which is, the upper ends of the two springs (10) are fixedly connected with the bottoms of the two ends of the mounting plate (8) respectively, a cylinder (11) with an output shaft vertically and downwardly arranged is fixedly arranged on the upper portion of the case (1), the output shaft of the cylinder (11) penetrates through the upper portion of the case (1) and extends into the case (1), through holes (23) through which the output shaft of the cylinder (11) can pass are formed in the fixing rod (5) and the mounting plate (8), the output shaft of the cylinder (11) is arranged in the through holes (23) in a penetrating manner, a horizontally arranged plugging plate (12) is fixedly arranged at the lower end of the output shaft of the cylinder (11), the plugging plate (12) is located under the mounting plate (8), a rubber block (13) is fixedly arranged on the upper portion of the plugging plate (12), a water pump (14) is fixedly arranged on the outer side of the case (1), and the water pumping end of the water pump (14) is communicated with the water storage tank (3) through a water pumping, the inboard of the one end that drinking-water pipe (15) and aqua storage tank (3) are linked together is equipped with filter screen (16), every the upper end of high pressure nozzle (6) all communicates and is equipped with hose (17), the drainage end intercommunication of water pump (14) is equipped with drain pipe (18), every hose (17) all are linked together with drain pipe (18), fixed right angle piece (19) that are equipped with two symmetries and set up in the bottom of quick-witted case (1), every square depressed part (20), every have all been seted up on the upper portion of the horizontal portion of right angle piece (19) all be equipped with magnet piece (21) in depressed part (20), fixed supporting leg (22) that are equipped with a plurality of evenly distributed in the bottom of quick-witted case (1).
2. The deburring device for plunger bushes according to claim 1, characterized in that: the case (1) is made of hard plastics.
3. The deburring device for plunger bushes according to claim 1, characterized in that: the sewer pipe (4) is provided with a valve.
4. The deburring device for plunger bushes according to claim 1, characterized in that: the area of the cross section of the mounting plate (8) is smaller than that of the cross section of the inner cavity of the case (1).
5. The deburring device for plunger bushes according to claim 1, characterized in that: the area of the cross section of the blocking plate (12) is smaller than that of the cross section of the inner cavity of the case (1).
6. The deburring device for plunger bushes according to claim 1, characterized in that: the bottom of the water storage tank (3) is designed in a funnel shape.
7. The plunger barrel deburring device according to any one of claims 1 to 6, wherein: the lower end of the supporting leg (22) is provided with a universal self-locking wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110061100.5A CN112792750B (en) | 2021-01-18 | 2021-01-18 | Deburring device for plunger sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110061100.5A CN112792750B (en) | 2021-01-18 | 2021-01-18 | Deburring device for plunger sleeve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112792750A true CN112792750A (en) | 2021-05-14 |
| CN112792750B CN112792750B (en) | 2022-07-29 |
Family
ID=75809996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110061100.5A Active CN112792750B (en) | 2021-01-18 | 2021-01-18 | Deburring device for plunger sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112792750B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030232577A1 (en) * | 2002-06-18 | 2003-12-18 | Hirotaka Ashizawa | Blasting method for deburring junction part between main bore and branch bore |
| CN205765667U (en) * | 2016-06-30 | 2016-12-07 | 沧州隆泰迪管道科技有限公司 | Composite pipe sandblasting frock |
| CN106269662A (en) * | 2016-10-26 | 2017-01-04 | 苏州市大华精密机械有限公司 | The cleaning method of valve housing |
| CN106976009A (en) * | 2017-05-26 | 2017-07-25 | 南京航空航天大学 | Abrasive flows remove four-way interface phase perforation burr fixture |
| CN110587467A (en) * | 2019-10-09 | 2019-12-20 | 无锡威孚马山油泵油嘴有限公司 | Plunger bushing abrasive particle oil flow hole deburring device |
| CN210411692U (en) * | 2019-07-22 | 2020-04-28 | 仪征市峰业机械有限公司 | Automobile parts plunger bushing processing is with cleaning equipment that dispels burr |
| CN210435966U (en) * | 2019-07-04 | 2020-05-01 | 南京南化建设有限公司 | Water sand blasting rust removing device |
-
2021
- 2021-01-18 CN CN202110061100.5A patent/CN112792750B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030232577A1 (en) * | 2002-06-18 | 2003-12-18 | Hirotaka Ashizawa | Blasting method for deburring junction part between main bore and branch bore |
| CN205765667U (en) * | 2016-06-30 | 2016-12-07 | 沧州隆泰迪管道科技有限公司 | Composite pipe sandblasting frock |
| CN106269662A (en) * | 2016-10-26 | 2017-01-04 | 苏州市大华精密机械有限公司 | The cleaning method of valve housing |
| CN106976009A (en) * | 2017-05-26 | 2017-07-25 | 南京航空航天大学 | Abrasive flows remove four-way interface phase perforation burr fixture |
| CN210435966U (en) * | 2019-07-04 | 2020-05-01 | 南京南化建设有限公司 | Water sand blasting rust removing device |
| CN210411692U (en) * | 2019-07-22 | 2020-04-28 | 仪征市峰业机械有限公司 | Automobile parts plunger bushing processing is with cleaning equipment that dispels burr |
| CN110587467A (en) * | 2019-10-09 | 2019-12-20 | 无锡威孚马山油泵油嘴有限公司 | Plunger bushing abrasive particle oil flow hole deburring device |
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| Publication number | Publication date |
|---|---|
| CN112792750B (en) | 2022-07-29 |
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