VVT rotor oil hole scrap iron removing device

By designing a VVT rotor oil hole iron filings removal device, which utilizes an actuator cylinder to drive a probe and high-pressure gas for cleaning, the problem of low efficiency in traditional manual cleaning is solved, achieving efficient removal of iron filings and improving product quality and production efficiency.

CN223669715UActive Publication Date: 2025-12-16GKN DANYANG IND CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202423107342.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-17
Publication Date
2025-12-16
Estimated Expiration
2034-12-17

AI Technical Summary

Technical Problem

Traditional manual cleaning of VVT rotor oil holes for iron filings is inefficient and cannot guarantee thoroughness, affecting product quality and service life.

Method used

A VVT rotor oil hole iron filings removal device is designed. The device uses an actuator cylinder to drive a probe to scrape or push out iron filings in the oil hole, and uses high-pressure gas to clean it. Combined with a position sensor to precisely control the movement of the probe, the device achieves efficient removal of iron filings.

Benefits of technology

It improves product cleanliness and quality stability, reduces manual intervention, lowers labor intensity, and increases production efficiency.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223669715U_ABST
    Figure CN223669715U_ABST
Patent Text Reader

Abstract

The utility model discloses a VVT rotor oil hole scrap iron removal device, and particularly relates to the technical field of scrap iron removal, the VVT rotor oil hole scrap iron removal device comprises a processing box, and a cleaning piece used for cleaning scrap iron in a VVT rotor oil hole is arranged outside the processing box; the cleaning part comprises a positioning ring arranged in the machining box, a plurality of through holes corresponding to VVT rotor oil holes are formed in the outer portion of the positioning ring, a probe used for cleaning scrap iron in the VVT rotor oil holes is arranged in each through hole, and a position sensor is arranged in each probe. According to the utility model, the probe is driven by the execution cylinder to scrape or push out scrap iron adhered in the oil hole, and meanwhile, the probe can be connected with air supply equipment through the air pipe, so that high-pressure air is conveyed into the functional barrel through the probe, and the scrap iron adhered in the oil hole is cleaned through the air hole; therefore, the scrap iron in the VVT rotor oil hole can be efficiently removed, the cleanliness and the quality stability of products are improved, manual intervention is reduced, the labor intensity is lowered, and the production efficiency is improved.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to scrap iron removal technical field more specifically, it is a kind of VVT rotor oil hole scrap iron removal device. BACKGROUND

[0002] VVT rotor, namely the rotor of variable valve timing control system. VVT technology is an advanced engine technology, aiming to optimize engine performance, improve fuel economy and reduce emissions by adjusting the opening and closing timing of intake and exhaust valves in real time. VVT rotor is one of the key components in VVT system, it is usually located at the front end of camshaft and connected with camshaft through hydraulic or mechanical way. The main role of the rotor is to accurately adjust the opening and closing time of the valve according to the instruction of ECU (engine control unit) during engine operation. This adjustment is achieved by changing the relative position between the rotor and the camshaft, thereby changing the valve lift and valve timing. In VVT system, the design and manufacturing precision of the rotor are crucial to the performance of the system. High-precision rotor can ensure accurate adjustment of valve timing, thereby improving the combustion efficiency and power output of the engine. At the same time, the material and manufacturing process of the rotor also need to be carefully selected and optimized to ensure its sufficient strength and durability in the high-temperature, high-pressure and high-speed running environment of the engine.

[0003] In the production process of VVT powder metallurgy rotor, after machining, there are usually small iron scraps left in the oil hole of the rotor. If these iron scraps are not effectively removed, it will directly affect the performance and service life of the product, and even cause engine failure. The traditional manual cleaning method not only has low efficiency, but also cannot guarantee the thoroughness of cleaning, which becomes a key factor restricting the improvement of rotor production quality. UTILITY MODEL CONTENTS

[0004] In order to overcome the above-mentioned defects of the prior art, the utility model provides a VVT rotor oil hole scrap iron removal device, which can effectively remove the iron scraps in the oil hole of the VVT rotor, improve the cleanliness and quality stability of the product, reduce manual intervention, reduce labor intensity, and improve production efficiency, to solve the problems in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a VVT rotor oil hole scrap iron removal device, comprising a processing box, the processing box is externally provided with a cleaning element for cleaning the VVT rotor oil hole scrap iron;

[0006] The cleaning piece comprises a positioning ring arranged inside the processing box, a plurality of through holes corresponding to the oil holes of the VVT rotor are arranged on the outer portion of the positioning ring, a probe for cleaning the iron filings adhered to the oil holes of the VVT rotor is arranged in each through hole, and a position sensor is arranged in the probe.

[0007] The inner portion of the positioning ring is provided with a fixing ring for clamping and fixing the VVT rotor, and a positioning pin is arranged on the top of one end of the fixing ring.

[0008] In a preferred embodiment, an execution cylinder is arranged on the side of the probe away from the positioning ring, the execution cylinder is arranged inside the processing box, and the output end of the execution cylinder is fixed with the probe.

[0009] In a preferred embodiment, a functional cylinder is arranged in the inner portion of the end of the probe close to the positioning ring, a plurality of air holes are arranged on the outer portion of the functional cylinder, the air holes are uniformly distributed, and the position sensor is arranged in the inner portion of the end of the functional cylinder close to the positioning ring.

[0010] In a preferred embodiment, the cross section of the air hole is arranged in an inclined shape.

[0011] In a preferred embodiment, a connecting ring is arranged in the inner portion of the end of the functional cylinder close to the probe, the end of the connecting ring away from the probe is fixed with the inner wall of the functional cylinder, and the end of the connecting ring away from the functional cylinder is threadedly connected with the inner wall of the probe.

[0012] In a preferred embodiment, a gas pipe is fixedly connected to the top of the end of the probe close to the execution cylinder, and a telescopic pipe is fixedly connected to the end of the gas pipe away from the probe.

[0013] The technical effects and advantages of the utility model are as follows:

[0014] The execution cylinder drives the probe to scrape or push out the iron filings adhered to the oil holes, the gas pipe is connected with the gas supply equipment, the high-pressure gas is conveyed to the inner portion of the functional cylinder through the probe, the iron filings adhered to the oil holes are cleaned through the air holes, the efficient cleaning of the iron filings in the oil holes of the VVT rotor is realized, the product cleanliness and quality stability are improved, the manual intervention is reduced, the labor intensity is reduced, and the production efficiency is improved.

[0015] The threaded connection between the connecting ring and the inner wall of the probe enables the worker to rotate the functional cylinder to drive the connecting ring to rotate, so that the connecting ring and the probe can be connected or separated, and the effect of conveniently disassembling the functional cylinder is realized. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a whole structure schematic view of the utility model;

[0017] Figure 2 The exploded view of the positioning ring of the utility model;

[0018] Figure 3 The side view of the probe of the utility model;

[0019] Figure 4 The exploded view of the probe of the utility model;

[0020] Figure 5 The side sectional view of the function cylinder of the utility model.

[0021] The figure mark is: 1, processing box; 2, positioning ring; 3, through hole; 4, probe; 5, position sensor; 6, fixed ring; 7, positioning pin; 8, execution cylinder; 9, function cylinder; 10, air hole; 11, connecting ring; 12, air pipe; 13, telescopic pipe. DETAILED DESCRIPTION

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only 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 creative labor belong to the protection scope of the utility model.

[0023] Referring to the drawings in the description Figures 1-5 , the utility model provides a kind of VVT rotor oil hole iron filings removal device, including processing box 1, the processing box 1 outside is equipped with the cleaning element for cleaning VVT rotor oil hole iron filings;

[0024] As Figures 1-4 shown, the cleaning element includes the positioning ring 2 being arranged in processing box 1 inside, the positioning ring 2 outside is equipped with multiple through holes 3 corresponding with VVT rotor oil hole, each through hole 3 inside is equipped with the probe 4 for cleaning VVT rotor oil hole iron filings, the probe 4 inside is equipped with position sensor 5;The fixed ring 6 for clamping and fixing VVT rotor is equipped in the positioning ring 2 inside, and the fixed ring 6 one end top is equipped with positioning pin 7.

[0025] In use, the worker installs the nested connection positioning ring 2 and the fixing ring 6 to the inside of the processing box 1, then fixes the VVT rotor on the top of the fixing ring 6, and makes the oil hole on the VVT rotor correspond to the through hole 3 on the positioning ring 2, then drives the probe 4 to move inward, so that the probe 4 can be displaced into the oil hole of the VVT rotor. By the movement of the probe 4 and the functional cylinder 9, the iron filings adhering to the oil hole can be scraped or pushed out. At the same time, the gas pipe 12 is connected with the gas supply equipment, so that the high-pressure gas is transported into the functional cylinder 9 through the probe 4, and the iron filings adhering to the oil hole are cleaned by the obliquely distributed air holes 10. By the setting of the position sensor 5, the depth and position of the probe 4 in and out of the oil hole can be accurately controlled, the operation accuracy is ensured, the damage of the VVT rotor caused by misoperation is avoided, the efficient cleaning of the iron filings in the oil hole of the VVT rotor is realized, the product cleanliness and quality stability are improved, the manual intervention is reduced, the labor intensity is reduced, and the production efficiency is improved.

[0026] In order to facilitate the displacement movement of the probe 4, as shown in Figure 1 and 3 , the probe 4 is provided with an execution cylinder 8 away from the positioning ring 2. The execution cylinder 8 is installed in the processing box 1, and the output end of the execution cylinder 8 is fixed with the probe 4. By the operation of the execution cylinder 8, the probe 4 can be driven to move in and out, so that the oil hole in the VVT rotor can be easily cleaned and maintained.

[0027] In order to fully clean the oil hole, as shown in Figure 5 , the probe 4 is provided with a functional cylinder 9 inside the end close to the positioning ring 2. The functional cylinder 9 is provided with a plurality of air holes 10 outside. The air holes 10 are uniformly distributed between each other. The position sensor 5 is installed inside the end of the functional cylinder 9 close to the positioning ring 2. The external high-pressure gas is transported into the oil hole through the air holes 10, and the iron filings adhering to the oil hole are blown away by the airflow, so that the cleaning effect is improved. Because the cross section of the air hole 10 is inclined, the air hole 10 can guide the flow direction of the air, so that the iron filings in the oil hole can be more effectively cleaned.

[0028] In order to facilitate the disassembly and maintenance of the functional cylinder 9, as shown in Figure 3 and 5 , the functional cylinder 9 is provided with a connecting ring 11 inside the end close to the probe 4. The end of the connecting ring 11 away from the probe 4 is fixed with the inner wall of the functional cylinder 9. The end of the connecting ring 11 away from the functional cylinder 9 is threadedly connected with the inner wall of the probe 4. By the threaded connection of the connecting ring 11 and the inner wall of the probe 4, the worker can rotate the functional cylinder 9 to drive the connecting ring 11 to rotate, so that the connecting ring 11 and the probe 4 can be connected or separated, and the functional cylinder 9 can be conveniently disassembled and assembled.

[0029] In order to be connected with the air supply device, as shown in Figure 1 , 3 and 4, the probe 4 is fixedly communicated with an air pipe 12 near the top of one end of the execution cylinder 8, and the air pipe 12 is fixedly communicated with an extension pipe 13 at the top and away from the probe 4, and the extension of the extension pipe 13 can ensure that the displacement of the probe 4 cannot affect the air supply device, so that the stability of the connection between the extension pipe 13 and the air supply device can be ensured.

[0030] Finally: the above only for the preferred embodiments of the present application have, and not for limiting the present application, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, should be included in the scope of protection of the present application.

Claims

1. A VVT rotor oil hole sludge removal device comprising a processing box (1), characterized in that: The machining box (1) is externally provided with a cleaning member for cleaning iron filings in the oil hole of the VVT rotor; The cleaning member comprises a positioning ring (2) arranged inside the machining box (1), a plurality of through holes (3) corresponding to the oil hole of the VVT rotor are formed in the outer portion of the positioning ring (2), and a probe (4) for cleaning iron filings in the oil hole of the VVT rotor is arranged in each through hole (3); a position sensor (5) is arranged in the probe (4). The positioning ring (2) is internally provided with a fixing ring (6) for clamping and fixing the VVT rotor, and a positioning pin (7) is arranged on the top of one end of the fixing ring (6).

2. A VVT rotor oil hole swarf removal device according to claim 1, characterized by: An execution cylinder (8) is arranged on the side of the probe (4) away from the positioning ring (2), the execution cylinder (8) is arranged inside the machining box (1), and the output end of the execution cylinder (8) is fixed with the probe (4).

3. A VVT rotor oil hole swarf removal device according to claim 1, characterized by: A functional cylinder (9) is arranged in the end of the probe (4) close to the positioning ring (2), a plurality of air holes (10) are formed in the outer portion of the functional cylinder (9), and the air holes (10) are uniformly and intervally distributed, and the position sensor (5) is arranged in the end of the functional cylinder (9) close to the positioning ring (2).

4. A VVT rotor oil hole swarf removal device according to claim 3, characterised in that: The cross section of the air hole (10) is in an inclined shape.

5. A VVT rotor oil hole swarf removal device according to claim 3, characterised in that: A connecting ring (11) is arranged in the end of the functional cylinder (9) close to the probe (4), the end of the connecting ring (11) away from the probe (4) is fixed with the inner wall of the functional cylinder (9), and the end of the connecting ring (11) away from the functional cylinder (9) is threadedly connected with the inner wall of the probe (4).

6. A VVT rotor oil hole sludge removal device according to claim 2, characterized by: A gas pipe (12) is fixedly and communicatively arranged on the top of the end of the probe (4) close to the execution cylinder (8), and a telescopic pipe (13) is fixedly and communicatively arranged on the top end of the gas pipe (12) away from the probe (4).