Machine tool for machining ejector rod of fuel injection pump of engine
By introducing a linked structure of a guide groove, a flow groove, and a discharge groove into the engine fuel injection pump pushrod machining tool, the problem of automating the treatment of metal shavings and impurities in the cooling system waste liquid was solved. This enabled automatic scraping and guiding of filter plate waste, improved production efficiency, and avoided downtime caused by traditional manual cleaning.
Patent Information
- Application Number
- CN202520558550.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-27
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-27
AI Technical Summary
During the machining of the engine fuel injection pump pushrod, the waste liquid generated by the cooling system contains a large amount of metal shavings and impurities. Failure to filter and treat it in time will affect the normal operation of the cooling system and may even damage the machine tool. Traditional filter plate cleaning requires manual operation with the machine stopped, which is time-consuming and labor-intensive and affects production efficiency.
A machine tool structure with a liquid guiding groove, a liquid passing groove, a filter plate slot and a discharge groove was designed. Through the linkage of rack, pinion and sprocket, the waste material of the filter plate is automatically scraped and guided, avoiding downtime for cleaning and improving production efficiency.
It enables automatic scraping and guiding of filter plate waste, reduces downtime, improves production efficiency, and simplifies the filter plate cleaning process.
Smart Images

Figure CN223903510U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to machine tool technical field, specifically, relate to a engine fuel injection pump ejector rod processing machine tool. BACKGROUND
[0002] Engine fuel injection pump ejector rod is one of the key components in diesel engine fuel injection system, its main function is to deliver fuel to the fuel injector in time, quantitative high pressure, fuel injection pump ejector rod mechanism usually includes ejector rod, guide cylinder, roller shaft, roller and other components, its function is to pass through the ejector rod and deliver the force of camshaft to other parts of fuel injection pump, thereby controlling the injection of fuel. The wear or failure of the ejector rod will directly lead to inaccurate fuel injection, affecting the normal operation of the engine, in the production process of engine fuel injection pump ejector rod, it needs to use processing machine tool to turn, polish and other processing.
[0003] Such as China patent publication: a kind of automatic processing machine tool, application number: CN201410425902. X, including rack and main shaft installed on rack, shaft hole is opened in main shaft and automatic chuck is installed in end portion, it further includes installation in rack feed mechanism, feeding mechanism, discharge mechanism, receiving mechanism and receiving channel, receiving mechanism and feeding mechanism are separately arranged in the both sides of main shaft, feed mechanism transports workpiece to feeding mechanism, feeding mechanism is installed with ejector rod device, feeding mechanism can be moved to automatic chuck, and ejector rod device promotes workpiece on feeding mechanism to automatic chuck, discharge mechanism is installed with ejector rod, ejector rod is inserted in shaft hole and can promote workpiece to separate from automatic chuck, receiving mechanism includes carousel and receiving hand rotating around carousel, receiving hand can receive workpiece on automatic chuck and transport to receiving channel, with the advantages of high degree of automation, high production efficiency.
[0004] But the above technical scheme, in the processing of engine fuel injection pump ejector rod, the waste liquid generated by cooling system contains a large amount of metal chips and impurities, if these waste materials are not filtered and treated in time, it will affect the normal operation of cooling system, even cause damage to processing machine tool, however, the traditional cooling liquid filtering system usually uses filter plate, when cleaning, it needs to stop and manually disassemble filter plate, then the accumulated large amount of waste on filter plate can be cleaned, this process not only consumes time and effort, but also affects production efficiency. UTILITY MODEL CONTENTS
[0005] The utility model discloses a main purpose lies in providing a kind of engine oil injection pump ejector rod processing machine tool, can effectively solve the waste liquid containing a large amount of metal chips and impurities in the cooling system in the machining process of engine oil injection pump ejector rod in background art, these waste materials will affect the normal operation of cooling system if not timely filtering and processing, even cause damage to processing machine tool, however, the traditional cooling liquid filtering system usually uses filter plate, needs to stop and manually dismounts filter plate when cleaning, then the accumulated large amount of waste on filter plate can be cleaned, this process not only time-consuming and labor-consuming, also affect the production efficiency problem.
[0006] To achieve the above object, the technical scheme that the utility model adopts is as follows: an engine oil injection pump ejector rod processing machine tool, comprising a processing machine tool body, a liquid guide groove and a liquid passing groove are arranged on the processing machine tool body, a filter plate insertion slot is arranged between the liquid guide groove and the liquid passing groove, a discharge groove is arranged on one side of the liquid guide groove in an inclined manner, a baffle is arranged in the discharge groove, a sealing gasket is fixedly arranged on the inner wall surface of the side of the discharge groove close to the baffle, a filter plate is arranged in the filter plate insertion slot, a scraper is fixedly arranged on the inner wall surface of one side of the filter plate insertion slot, and a rack is fixedly arranged on the outer wall surface of one side of the filter plate.
[0007] Preferably, the sealing gasket is made of elastic material, and the scraper is located directly above the discharge groove.
[0008] Preferably, the baffle comprises a baffle base, a first rotating column is arranged on the baffle base, a first sprocket is arranged on one side of the first rotating column, torsion springs are arranged on both sides of the first rotating column, and a transmission chain is arranged on the first sprocket.
[0009] Preferably, the baffle is rotatably arranged on the processing machine tool body and is provided with a second rotating column, a gear and a second sprocket are arranged on the second rotating column.
[0010] Preferably, the baffle base is rotatably connected to the processing machine tool body through the first rotating column.
[0011] Preferably, the first sprocket and the second sprocket are connected through the transmission chain.
[0012] Compared with the prior art, the utility model has the following beneficial effects:
[0013] (1) The utility model discloses when needing to clean the filter plate, first, the filter plate is taken out from the filter plate slot, the rack moves along with the filter plate, when the filter plate moves, the waste on the filter plate is gradually pushed to the filter plate edge through the scraper, when the rack moves to the baffle top, the rack drives the gear rotation, the gear drives the second sprocket rotation through the second rotation column, the second sprocket drives the first sprocket rotation through the transmission chain, and the first sprocket drives the baffle base rotation through the first rotation column, so that the baffle base no longer closes the discharge slot, and the baffle base also gradually inclines, and the waste on the filter plate also falls from the filter plate through the scraper, and the waste falling from the filter plate is received through the inclined baffle base, and the waste is guided to the discharge slot, and then the waste is discharged to the designated position through the discharge slot, so that the filter plate can be cleaned preliminarily when being drawn, and the filter plate is convenient for the staff to clean. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a structure schematic view of the utility model discloses a kind of engine oil injection pump ejector rod processing machine tool;
[0015] Figure 2 It is a structure schematic view of the utility model discloses a kind of engine oil injection pump ejector rod processing machine tool;
[0016] Figure 3 It is the structure schematic view of the utility model discloses a kind of engine oil injection pump ejector rod processing machine tool in Figure 2 A place of
[0017] Figure 4 It is the structure schematic view of the utility model discloses a kind of engine oil injection pump ejector rod processing machine tool in baffle.
[0018] In the drawing: 1, processing machine tool body;2, liquid guide groove;3, filter plate slot;4, discharge slot;5, baffle;501, baffle base;502, first rotation column;503, first sprocket;504, torsion spring;505, transmission chain;506, second rotation column;507, gear;508, second sprocket;6, sealing gasket;7, filter plate;8, scraper;9, rack;10, liquid passing groove. DETAILED DESCRIPTION
[0019] The technical scheme in the embodiments of the utility model will be described below in conjunction with the embodiments of the utility model, apparently, the described embodiments only are a part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the range of protection of the utility model.
[0020] As Figures 1 to 3As shown, an engine fuel injection pump ejector rod processing machine tool, including processing machine tool body 1, which is provided with guide liquid tank 2 and liquid tank 10, the guide liquid tank 2 and liquid tank 10 between the filter plate slot 3, the guide liquid tank 2 side is provided with a discharge chute 4, the discharge chute 4 is provided with a baffle 5, the discharge chute 4 is close to the baffle 5, one side of the inner wall surface is fixedly provided with sealing pad 6, the filter plate slot 3 is provided with filter plate 7, the filter plate slot 3 one side of the inner wall surface is fixedly provided with scraper 8, the filter plate 7 one side of the outer wall surface is fixedly provided with rack 9.
[0021] As Figure 4 shown, another embodiment of the utility model, the baffle 5 includes baffle base 501, the baffle base 501 is provided with first rotating column 502, the first rotating column 502 side is provided with first sprocket 503, the first rotating column 502 both sides are provided with torsion spring 504, the first sprocket 503 is provided with transmission chain 505;
[0022] The baffle 5 is rotatably provided with second rotating column 506 on the processing machine tool body 1, the second rotating column 506 is provided with gear 507 and second sprocket 508;
[0023] When the filter plate 7 needs to be cleaned, first, the filter plate 7 is taken out from the filter plate slot 3, the rack 9 moves with the filter plate 7, when the filter plate 7 moves, the waste on the filter plate 7 is gradually pushed to the edge of the filter plate 7 by the scraper 8, the waste on the filter plate 7 is preliminarily scraped off, when the rack 9 moves above the baffle 5, the rack 9 drives the gear 507 to rotate, the gear 507 drives the second sprocket 508 to rotate through the second rotating column 506, the second sprocket 508 drives the first sprocket 503 to rotate through the transmission chain 505, the torsion spring 504 deforms, the first sprocket 503 drives the first rotating column 502 to rotate, the first rotating column 502 drives the baffle base 501 to rotate, so that the baffle base 501 no longer closes the discharge chute 4, and the baffle base 501 also gradually inclines, and the waste on the filter plate 7 is also pushed off from the filter plate 7 by the scraper 8, the waste falling from the filter plate 7 is collected by the inclined baffle base 501, the waste is guided to the discharge chute 4, and then the waste is discharged to the designated position by the discharge chute 4, so that the filter plate 7 can be preliminarily cleaned when the filter plate 7 is extracted, and the filter plate 7 is convenient for the staff to clean.
[0024] The working principle of the engine fuel injection pump ejector rod processing machine tool is as follows:
[0025] When in use, the cooling waste liquid produced by processing will fall into the liquid passing groove 10, and the cooling waste liquid in the liquid passing groove 10 will fall into the liquid guiding groove 2, during which, the waste in the cooling waste liquid is filtered by the filter plate 7, so as to facilitate subsequent treatment of the cooling waste liquid, when the waste on the filter plate 7 accumulates too much and the filter plate 7 needs to be cleaned, first, the filter plate 7 is taken out from the filter plate insertion slot 3, the rack 9 moves with the filter plate 7, when the filter plate 7 moves, the waste on the filter plate 7 is gradually pushed to the edge of the filter plate 7 by the scraper 8, and the waste on the filter plate 7 is preliminarily scraped off, when the rack 9 moves above the baffle 5, the rack 9 drives the gear 507 to rotate, the gear 507 drives the second chain wheel 508 to rotate through the second rotating column 506, the second chain wheel 508 drives the first chain wheel 503 to rotate through the transmission chain 505, the torsion spring 504 deforms, the first chain wheel 503 drives the first rotating column 502 to rotate, the first rotating column 502 drives the baffle base 501 to rotate, so that the baffle base 501 no longer closes the discharge groove 4, and the baffle base 501 will also gradually incline, at the same time, the waste on the filter plate 7 will also be pushed off from the filter plate 7 by the scraper 8, the waste falling off from the filter plate 7 is received by the inclined baffle base 501, the waste is guided to the discharge groove 4, and then the waste is discharged to a designated position by the discharge groove 4, so that the filter plate 7 can be preliminarily cleaned when the filter plate 7 is extracted, and the filter plate 7 is facilitated to be cleaned by the staff.
[0026] Obviously, the above embodiments of the present application are merely exemplary and are not intended to limit the embodiments of the present application. For those skilled in the art, other different forms of changes or modifications can be made on the basis of the above description, and all the embodiments cannot be exhausted here. Any obvious changes or modifications derived from the technical solutions of the present application are still within the protection scope of the present application.
Claims
1. An engine fuel injection pump plunger machining machine tool comprising a machining machine tool body (1), characterised in that: The machining tool body (1) is provided with a liquid guide groove (2) and a liquid passing groove (10), a filter plate insertion groove (3) is arranged between the liquid guide groove (2) and the liquid passing groove (10), a discharge groove (4) is arranged on one side of the liquid guide groove (2) in a slanting manner, a baffle (5) is arranged in the discharge groove (4), a sealing gasket (6) is fixedly arranged on the inner wall surface of the side of the discharge groove (4) close to the baffle (5), a filter plate (7) is arranged in the filter plate insertion groove (3), a scraper (8) is fixedly arranged on the inner wall surface of one side of the filter plate insertion groove (3), and a rack (9) is fixedly arranged on the outer wall surface of one side of the filter plate (7).
2. An engine fuel injection pump top lever machining machine tool according to claim 1, characterized in that: The sealing gasket (6) is made of elastic material, and the scraper (8) is located directly above the discharge groove (4).
3. An engine fuel injection pump top lever machining machine tool according to claim 2, characterized in that: The baffle (5) comprises a baffle base (501), the baffle base (501) is provided with a first rotating column (502), the first rotating column (502) is provided with a first chain wheel (503) on one side, and torsion springs (504) are arranged on both sides of the first rotating column (502).
4. An engine fuel injection pump top lever machining machine tool according to claim 3, characterized in that: The baffle (5) is rotatably arranged on the machining tool body (1) and is provided with a second rotating column (506), a gear (507) and a second chain wheel (508) are arranged on the second rotating column (506).
5. An engine fuel injection pump top lever machining machine tool according to claim 4, characterized in that: The baffle base (501) is rotatably connected with the machining tool body (1) through the first rotating column (502).
6. An engine fuel injection pump top lever machining machine according to claim 5, characterized in that: The first chain wheel (503) and the second chain wheel (508) are connected through the transmission chain (505).
Citation Information
Patent Citations
An automatic processing machine tool
CN104289957B