Diesel engine oil nozzle seat surface grinding device

Abstract

The utility model relates to the technical field of diesel engine oil nozzle seat surface grinding, and discloses a diesel engine oil nozzle seat surface grinding device which comprises a rack, a driving air cylinder is fixedly arranged at the upper end of the rack, a grinding motor is fixedly installed at the output end of the driving air cylinder, and a grinding plate is fixedly installed at the output end of the grinding motor. An efficient feeding structure is arranged on one side of the machine frame and comprises a machine box fixedly arranged on one side of the machine frame, a driving motor is fixedly arranged at the front end of the machine box, a lead screw is fixedly arranged at the output end of the driving motor, a sliding block is arranged on the outer wall of the lead screw in a threaded mode, and a connecting plate is fixedly arranged on one side of the sliding block. A fixing base is fixedly arranged on one side of the connecting plate, a plurality of containing grooves are formed in the upper end of the fixing base, and a plurality of fastening air cylinders are fixedly arranged on the two sides of the fixing base. According to the grinding device for the seat surface of the fuel injection nozzle of the diesel engine, the fuel injection nozzle can be efficiently ground.

Description

Technical Field

[0001] The utility model relates to the technical field of diesel engine fuel injection nozzle seat surface grinding, in particular to a diesel engine fuel injection nozzle seat surface grinding device. Background Art

[0002] The diesel engine fuel injector is a key component in the diesel engine, responsible for atomizing the diesel and spraying it into the combustion chamber to ensure efficient combustion. The seat surface of the needle valve body inside it will show different degrees of wear, resulting in poor sealing of the seat surface, which is specifically manifested as leakage or dripping, resulting in worsened combustion, increased carbon deposits, and even irregular knocking sounds, uneven operation and exhaust smoke. At this time, the seat surface needs to be ground.

[0003] The existing patent with publication number CNCN211029558U proposes a diesel engine fuel injector seat surface grinding device. The device is equipped with two sets of clamping plates to clamp and fix the needle valve body, and the spacing between the clamping plates is adjustable, so that the device can fix and clamp needle valve bodies of different sizes, thereby solving the problem of insufficient hand-held stability.

[0004] However, when the device is used to polish a diesel engine nozzle, only a single diesel engine nozzle can be placed. When polishing the next diesel engine nozzle, the previous diesel engine nozzle needs to be repeatedly taken out, resulting in poor polishing efficiency of the diesel engine nozzle. Utility Model Content

[0005] The purpose of the utility model is to provide a diesel engine fuel injection nozzle seat grinding device to solve the problem that the existing device can only place a single diesel engine nozzle, and when grinding the next diesel engine nozzle, it is necessary to repeatedly take out the previous diesel engine nozzle, resulting in poor grinding efficiency of the diesel engine nozzle.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a diesel engine fuel injector seat surface grinding device, comprising a frame, a driving cylinder is fixedly provided on the upper end of the frame, a grinding motor is fixedly installed on the output end of the driving cylinder, a grinding plate is fixedly installed on the output end of the grinding motor, a high-efficiency feeding structure is provided on one side of the frame, the high-efficiency feeding structure comprises a chassis fixedly provided on one side of the frame, a driving motor is fixedly provided on the front end of the chassis, a screw rod is fixedly provided on the output end of the driving motor, a slider is threaded on the outer wall of the screw rod, a connecting plate is fixedly provided on one side of the slider, a fixed seat is fixedly provided on one side of the connecting plate, a plurality of placement slots are provided on the upper end of the fixed seat, a plurality of fastening cylinders are fixedly provided on both sides of the fixed seat, a fastening plate is fixedly provided on the output end of the fastening cylinder, and a reserved slot is provided on the side wall of the fixed seat located on one side of the fastening plate.

[0007] Preferably, the upper end of the rack is provided with a cleaning structure, the cleaning structure comprising a water pump fixedly arranged at the upper end of the rack, a spray pipe fixedly arranged at the front end of the water pump, a limiting piece fixedly arranged at the upper end of the fixed seat, one end of the spray pipe facing the upper end of the limiting piece, a suction pipe fixedly arranged at the upper end of the water pump, and one end of the suction pipe entering the inside of the rack.

[0008] Preferably, the inside of the rack is provided with two groups of leakage grooves.

[0009] Preferably, a stabilizing plate is fixedly arranged at the inside of the rack below the connecting plate, and the lower end of the connecting plate is in contact with the upper end of the stabilizing plate.

[0010] Preferably, the front end of the rack is provided with a fixed frame, the inside of the fixed frame is provided with a filter hole, the upper end of the fixed frame is fixedly provided with filter cotton, the rear end of the inside wall of the rack is fixedly provided with a placing plate, and the lower end of the fixed frame is placed on the upper end of the placing plate.

[0011] Preferably, the front end of the fixed frame is fixedly provided with a pull rod.

[0012] Preferably, one side of the rack is fixedly provided with a blowdown pipe, and the outer wall of the blowdown pipe is fixedly provided with a control valve.

[0013] Compared with the prior art, the diesel engine nozzle seat surface grinding device has the following beneficial effects:

[0014] 1) By arranging the high-efficiency feeding structure, multiple oil injection nozzles placed stably can be moved to the lower end of the grinding plate at the same time, manual frequent feeding is not needed, the grinding efficiency of the multiple oil injection nozzles can be accelerated, and the grinding time is relatively saved.

[0015] 2) By arranging the cleaning structure, the sprayed water source enters the placing groove through the limiting piece, under the action of the water flow, the flowing water source carries the ground debris to flow into the inside of the rack through the reserved groove, the debris can be cleaned while being cooled. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 FIG. 1 is a perspective view of a diesel engine nozzle seat surface grinding device according to an embodiment of the present application;

[0017] Figure 2 FIG. 4 is a sectional view of a rack according to an embodiment of the present application;

[0018] Figure 3 FIG. 6 is a partial sectional view of a diesel engine nozzle seat surface grinding device according to an embodiment of the present application;

[0019] Figure 4 FIG. 8 is a leakage groove structure diagram of a diesel engine nozzle seat surface grinding device according to an embodiment of the present application;

[0020] Figure 5 FIG. 10 is a leakage groove structure diagram of a diesel engine nozzle seat surface grinding device according to an embodiment of the present application; Figure 2The enlarged structure schematic view at A in the middle.

[0021] In the figure: 1, rack; 2, drive cylinder; 3, polishing motor; 4, polishing plate; 5, efficient feeding structure; 6, machine box; 7, drive motor; 8, sliding block; 9, connecting plate; 10, fixed seat; 11, fastening cylinder; 12, placing groove; 13, reserved groove; 14, cleaning structure; 15, water pump; 16, spraying pipe; 17, limiting piece; 18, leakage groove; 19, fixed frame; 20, filter cotton; 21, placing plate; 22, stabilizing plate. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Embodiment one

[0024] In combination Figures 1-5 A diesel engine nozzle seat surface grinding device, including rack 1, the upper end of rack 1 is fixedly provided with drive cylinder 2, the output end of drive cylinder 2 is fixedly installed with polishing motor 3, the output end of polishing motor 3 is fixedly installed with polishing plate 4, one side of rack 1 is provided with efficient feeding structure 5, efficient feeding structure 5 includes the machine box 6 fixedly arranged on one side of rack 1, the front end of machine box 6 is fixedly provided with drive motor 7, the output end of drive motor 7 is fixedly provided with screw rod, the outer wall of screw rod is provided with sliding block 8 in screw thread, one side of sliding block 8 is fixedly provided with connecting plate 9, one side of connecting plate 9 is fixedly provided with fixed seat 10, a plurality of placing grooves 12 are formed in the upper end of fixed seat 10, a plurality of fastening cylinders 11 are fixedly arranged on both sides of fixed seat 10, the output end of fastening cylinder 11 is fixedly provided with fastening plate, the sidewall of fixed seat 10 on the side of fastening plate is provided with reserved groove 13.

[0025] In combination Figure 1 , Figure 4 and Figure 5 , further, the inside of rack 1 is provided with two groups of leakage grooves 18, the inside of rack 1 at the lower end of connecting plate 9 is fixedly provided with stabilizing plate 22, the lower end of connecting plate 9 is in contact with the upper end of stabilizing plate 22, the front end of rack 1 is provided with fixed frame 19, the inside of fixed frame 19 is provided with filter hole, the upper end of fixed frame 19 is fixedly provided with filter cotton 20, the inner wall of rear end of rack 1 is fixedly provided with placing plate 21, the lower end of rear side of fixed frame 19 is placed on the upper end of placing plate 21, the front end of fixed frame 19 is fixedly provided with pull rod, one side of rack 1 is fixedly provided with blowdown pipe, the outer wall of blowdown pipe is fixedly provided with control valve.

[0026] Specifically, the stabilizing plate 22 is used to contact the lower end of the connecting plate 9, thereby achieving the support of the lower end of the connecting plate 9 and ensuring the stability of the movement of the connecting plate 9, and the filter cotton 20 is used to intercept the internal impurities of the circulating liquid, and the pull rod facilitates the pulling of the fixed frame 19.

[0027] Embodiment two

[0028] Referring to Figure 2 , Figure 3 , and on the basis of embodiment one, it is further obtained that the upper end of the rack 1 is provided with a cleaning structure 14, the cleaning structure 14 comprises a water pump 15 fixedly arranged at the upper end of the rack 1, a spraying pipe 16 fixedly arranged at the front end of the water pump 15, a limiting piece 17 fixedly arranged at the upper end of the fixed seat 10, and the one end of the spraying pipe 16 faces the upper end of the limiting piece 17, and a suction pipe fixedly arranged at the upper end of the water pump 15, and the one end of the suction pipe enters the inside of the rack 1.

[0029] Specifically, the water pump 15 is used to circulate and extract the water source in the inside of the rack 1, the spraying pipe 16 sprays the cooling liquid into the upper end of the fixed seat 10, the limiting piece 17 limits the cooling liquid, and the cooling liquid enters the placing groove 12, so that the cooling liquid finally carries the debris to flow out from the reserved groove 13.

[0030] In the actual operation process, the oil injection nozzle to be polished is placed into the inside of the placing groove 12, the fastening cylinder 11 is started, so that the output end of the fastening cylinder 11 passes through the reserved groove 13 to fasten the oil injection nozzle, the driving cylinder 2 and the polishing motor 3 are started, so that the polishing plate 4 polishes the first oil injection nozzle base of the oil injection nozzle;

[0031] After the first polishing is completed, the driving motor 7 is started, so that the lead screw drives the sliding block 8 to move, thereby driving the connecting plate 9 to move backward, so that the second oil injection nozzle is moved to the lower end of the polishing plate 4, and the second oil injection nozzle is polished quickly.

[0032] The water pump 15 is started during polishing, so that the water pump 15 extracts the cooling liquid, sprays the cooling liquid into the inside of the limiting piece 17 from the spraying pipe 16, and the cooling liquid first enters the placing groove 12 and finally flows out through the reserved groove 13.

[0033] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A diesel engine nozzle seat surface grinding device, comprising a rack (1), the upper end of the rack (1) is fixedly provided with a driving cylinder (2), and the output end of the driving cylinder (2) is fixedly installed with a polishing motor (3), characterized in that: The output end of the polishing motor (3) is fixedly installed with a polishing plate (4), one side of the rack (1) is provided with an efficient feeding structure (5), the efficient feeding structure (5) comprises a machine box (6) fixedly arranged on one side of the rack (1), a driving motor (7) is fixedly arranged at the front end of the machine box (6), a lead screw is fixedly arranged at the output end of the driving motor (7), a sliding block (8) is threadedly arranged on the outer wall of the lead screw, a connecting plate (9) is fixedly arranged on one side of the sliding block (8), a fixed seat (10) is fixedly arranged on one side of the connecting plate (9), a plurality of placing grooves (12) are formed in the upper end of the fixed seat (10), a plurality of fastening air cylinders (11) are fixedly arranged on the two sides of the fixed seat (10), a fastening plate is fixedly arranged at the output end of the fastening air cylinder (11), and a reserved groove (13) is formed in the side wall of the fixed seat (10) on the side of the fastening plate.

2. A device for lapping the seat face of a diesel fuel injector as defined in claim 1, wherein: The upper end of the rack (1) is provided with a cleaning structure (14), the cleaning structure (14) comprises a water pump (15) fixedly arranged at the upper end of the rack (1), a spray pipe (16) is fixedly arranged at the front end of the water pump (15), a limiting piece (17) is fixedly arranged at the upper end of the fixed seat (10), one end of the spray pipe (16) faces the upper end of the limiting piece (17), a suction pipe is fixedly arranged at the upper end of the water pump (15), and one end of the suction pipe enters the inside of the rack (1).

3. A device for lapping the seat face of a diesel fuel injector as defined in claim 1, wherein: Two groups of leakage grooves (18) are formed in the inside of the rack (1).

4. A device for lapping the seat face of a diesel fuel injector as defined in claim 1, wherein: A stable plate (22) is fixedly arranged in the inside of the rack (1) at the lower end of the connecting plate (9), and the lower end of the connecting plate (9) is in contact with the upper end of the stable plate (22).

5. A device for lapping the seat face of a diesel fuel injector as defined in claim 1, wherein: The front end of the rack (1) is provided with a fixed frame (19), the inside of the fixed frame (19) is provided with a filter hole, filter cotton (20) is fixedly arranged at the upper end of the fixed frame (19), a placing plate (21) is fixedly arranged on the inner wall of the rear end of the rack (1), and the lower end of the fixed frame (19) is placed on the upper end of the placing plate (21).

6. A device for honing a diesel nozzle seat surface according to claim 5, characterized in that: The front end of the fixed frame (19) is fixedly provided with a pull rod.

7. A device for lapping the seat face of a diesel fuel injector as defined in claim 1, wherein: One side of the rack (1) is fixedly provided with a blowdown pipe, and a control valve is fixedly arranged on the outer wall of the blowdown pipe.

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