Full-automatic blowing cleaning device for camshaft hole of engine cylinder cover

Abstract

The utility model discloses a full-automatic blowing cleaning device for an engine cylinder cover camshaft hole and belongs to the technical field of engine manufacturing. The upper end of the machine body frame is fixedly connected with a cylinder body of a vertically-arranged lifting air cylinder, a piston rod of the lifting air cylinder is fixedly connected with a high-pressure cleaning bin, the high-pressure cleaning bin is slidably connected with the machine body frame, a high-pressure air control box is installed at the upper end of the high-pressure cleaning bin, and a high-pressure air input port is formed in the middle of the high-pressure cleaning bin. The high-pressure air input port communicates with a high-pressure air supply system, and an air inlet side cleaning nozzle and an air outlet side cleaning nozzle are fixedly arranged at the lower end of the high-pressure cleaning bin. By means of a fixed-point and fixed-time efficient blowing cleaning mode of high-pressure compressed air, cleanliness of the mounting hole is improved, 100% automatic cleaning of the shaft cover mounting hole is guaranteed, product quality is strictly controlled, quality defects caused by incomplete cleaning or missing cleaning are avoided, and a solid foundation is laid for overall performance and reliability of an engine.

Description

TECHNICAL FIELD

[0001] The utility model relates to a full -automatic blowing cleaning device of engine cylinder cover camshaft hole belongs to engine manufacturing technical field. BACKGROUND

[0002] In the engine manufacturing field, in order to realize the high accuracy requirement of roundness, cylindricity and coaxiality of engine cylinder cover camshaft hole, the strategy of fine boring processing after assembling shaft cover is usually adopted. However, the number of shaft cover mounting holes is numerous, generally reaches 20 or above, and the hole diameter of each hole is M6, and the depth exceeds 25mm. This structural characteristic brings great difficulty to the subsequent hole cleaning work.

[0003] Hole cleanliness is an important index for measuring shaft cover assembly quality and camshaft hole recovery degree. The substandard cleanliness may cause false torque during shaft cover installation, thereby affecting the recovery accuracy of camshaft hole, and even causing engine unable to start, running axle holding and other major quality accidents. Therefore, ensuring the high cleanliness of hole is crucial for guaranteeing the overall performance and reliability of engine.

[0004] At present, the industry generally adopts the method of manual overturning inspection station and manual cleaning for this problem. However, this method has many shortcomings:

[0005] 1. Poor cleaning effect: due to the large number of holes, small hole diameter and deep depth, manual cleaning is difficult to achieve ideal cleaning effect, not only time-consuming and laborious, but also difficult to ensure that each hole can be thoroughly cleaned.

[0006] 2. Difficult operation and low efficiency: the weight of engine cylinder cover single piece is large, and manual back and forth overturning cleaning is not only difficult to operate, but also low in efficiency, which cannot meet the high requirement of modern production line on flow rate.

[0007] 3. Easy to miss: it is easy to miss in the process of manual cleaning, which leads to the extension of cleaning time and causes adverse effects on production and quality control.

[0008] 4. Environmental pollution and health risk: a large amount of oil mist and noise will be generated in the process of manual cleaning, which seriously pollutes the working environment and poses potential threat to the health of operators. UTILITY MODEL CONTENT

[0009] In order to solve the problems in the background art, the utility model provides a full -automatic blowing cleaning device of engine cylinder cover camshaft hole.

[0010] To achieve the above object, the utility model takes following technical scheme: A kind of full-automatic blowing cleaning device for engine cylinder cover camshaft hole, including machine frame, lifting cylinder, pneumatic cleaning mechanism and high-pressure air supply system;The pneumatic cleaning mechanism includes high-pressure cleaning bin, air inlet side cleaning nozzle, exhaust side cleaning nozzle, high-pressure air control box and high-pressure air input port;The upper end of the machine frame is fixedly connected with the cylinder body of vertically arranged lifting cylinder, the piston rod of the lifting cylinder is fixedly connected with high-pressure cleaning bin, the high-pressure cleaning bin is slidably connected with machine frame, high-pressure air control box is installed at the upper end of high-pressure cleaning bin, high-pressure air input port is arranged in the middle of high-pressure cleaning bin, and high-pressure air input port is in communication with high-pressure air supply system, and air inlet side cleaning nozzle and exhaust side cleaning nozzle are fixedly arranged at the lower end of high-pressure cleaning bin.

[0011] The outer side of the machine frame is surrounded by a transparent sealing plate.

[0012] The lower end of the machine frame is provided with a water receiving groove.

[0013] The upper end of the high-pressure cleaning bin is provided with soundproof cotton.

[0014] The high-pressure air supply system comprises a high-pressure energy storage tank, an energy storage tank base and a pressure increasing valve, the high-pressure energy storage tank is fixed on the energy storage tank base, the high-pressure energy storage tank is provided with the pressure increasing valve at the upper end, and the high-pressure output port of the pressure increasing valve is in communication with the high-pressure air input port.

[0015] The machine frame and the water receiving groove are fixed on the conveying mechanism.

[0016] The conveying mechanism comprises an automatic sliding rail, an optical sensor and an automatic stopper, the optical sensor and the automatic stopper are fixed on the track of the automatic sliding rail, the upper end of the sliding block of the automatic sliding rail is fixedly connected with the rack and the water receiving groove, and the optical sensor is in signal transmission connection with the automatic stopper.

[0017] Compared with the prior art, the utility model has the beneficial effects that:

[0018] The utility model optimizes production process, reduces the use of operating personnel, shortens manual operation time, liberates from cumbersome carrying, overturning, manual cleaning and visual inspection, realizes the promotion of production efficiency, guarantees the safety of operation environment, avoids health risks caused by workpiece bumping, oil mist splashing, air noise and ground water, etc..Meanwhile, through high-pressure compressed air fixed point, timing efficient blowing cleaning mode, the cleanliness of mounting hole is improved, 100% automatic cleaning of shaft cover mounting hole is ensured, product quality is strictly controlled, quality defects caused by incomplete cleaning or omission are avoided, and a solid foundation is laid for the overall performance and reliability of engine. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a structural schematic view of the utility model;

[0020] Figure 2 is a connection relationship schematic view of the body frame, the lifting cylinder, the transparent sealing plate, the soundproof cotton and the water collecting groove;

[0021] Figure 3 is a structural schematic view of the pneumatic cleaning mechanism;

[0022] Figure 4 is a structural schematic view of the high-pressure air supply system;

[0023] Figure 5 is a structural schematic view of the conveying mechanism. DETAILED DESCRIPTION

[0024] The technical solutions in the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only a 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 protection scope of the utility model.

[0025] A full-automatic air blowing and cleaning device for camshaft hole of engine cylinder cover comprises a body frame 101, a lifting cylinder 102, a pneumatic cleaning mechanism 2 and a high-pressure air supply system 3. The pneumatic cleaning mechanism 2 comprises a high-pressure cleaning bin 201, an air inlet side cleaning nozzle 202, an air outlet side cleaning nozzle 210, a high-pressure air control box 218 and a high-pressure air input port 219. The pneumatic cleaning mechanism 2 is further provided with a PLC control valve, a pneumatic stopper, an optical sensor, a high-pressure booster valve and the like, which are prior art and will not be described in detail. The upper end of the body frame 101 is fixedly connected with the cylinder body of the vertically arranged lifting cylinder 102. The double-column piston rod of the lifting cylinder 102 is fixedly connected with the high-pressure cleaning bin 201. The four corners of the high-pressure cleaning bin 201 are slidably connected with the body frame 101 through corresponding stroke sliding rails 220. The lifting cylinder 102 drives the high-pressure cleaning bin 201 to move on the body frame 101. The upper end of the high-pressure cleaning bin 201 is provided with the high-pressure air control box 218. The middle part of the high-pressure cleaning bin 201 is provided with the high-pressure air input port 219. The high-pressure air input port 219 is in communication with the high-pressure air supply system 3. The high-pressure air supply system 3 provides energy supply for workpiece cleaning, including energy storage of compressed air, air pressure boosting, plugging of channel holes, air charging of cleaning cavities and the like. The lower end of the high-pressure cleaning bin 201 is fixedly provided with the air inlet side cleaning nozzle 202 and the air outlet side cleaning nozzle 210. The air inlet side cleaning nozzle 202 and the air outlet side cleaning nozzle 210 are arranged and length controlled according to process dimensions.

[0026] The pneumatic cleaning structure 2 completes the cleaning of the workpiece, including the position fixing of the workpiece, the positioning of the cleaning nozzle, the air filling in the cleaning bin, and all interfaces are high-pressure sealed to ensure no leakage.

[0027] The outer side of the machine body frame 101 is provided with a transparent sealing plate 105 along the circumference thereof, so that the oil mist is gathered and the working environment is prevented from being polluted.

[0028] The lower end of the machine body frame 101 is provided with a water collecting groove 104 for collecting residual liquid and aluminum scraps removed in the cleaning process, so that the working environment is prevented from being polluted.

[0029] The upper end of the high-pressure cleaning bin 201 is provided with soundproof cotton 103, and the soundproof cotton 103 realizes noise reduction.

[0030] The high-pressure air supply system 3 comprises a high-pressure energy storage tank 301, an energy storage tank base 302 and a pressure increasing valve 303; the high-pressure energy storage tank 301 is fixed on the energy storage tank base 302 and placed near the pneumatic cleaning mechanism 2, the upper end of the high-pressure energy storage tank 301 is provided with the pressure increasing valve 303, the pressure increasing valve 303 is provided with an air input port, a pressure changing output port, a high-pressure output port and an air detection pressure gauge; air is pressurized and enters the high-pressure energy storage tank 301, the high-pressure output port of the pressure increasing valve 303 is in communication with the high-pressure air input port 219, and the pressure increasing valve 303 provides strong power when the automatic cleaning instruction is sent.

[0031] The machine body frame 101 and the water collecting groove 104 are both fixed on the conveying mechanism, and the conveying mechanism realizes the automatic entering, cleaning and outputting of the workpiece and is used for the position detection of the workpiece, the positioning of high-pressure cleaning, the opening and closing of automatic cleaning.

[0032] The conveying mechanism comprises an automatic sliding rail 401, an optical sensor 402 and an automatic stopper 403; the optical sensor 402 and the automatic stopper 403 are fixed on the track of the automatic sliding rail 401, the upper end of the sliding block of the automatic sliding rail 401 is fixedly connected with the rack 1 and the water collecting groove 104, and the optical sensor 402 and the automatic stopper 403 are in signal transmission connection. The optical sensor 402 realizes the detection and judgment of the presence or absence of the workpiece. The automatic stopper 403 realizes the in-place control of the workpiece.

[0033] The working process of the utility model is as follows:

[0034] S1: before the workpiece is cleaned, the pneumatic cleaning mechanism 2 is in standby position, that is, above the workpiece.

[0035] S2: the conveying mechanism works, the workpiece enters the machine body frame 101, the optical sensor 402 senses the workpiece, the automatic stopper 403 rises, and the workpiece stops in place.

[0036] S3: pneumatic cleaning mechanism 2 falls to the designated position, the air inlet side cleaning nozzle 202 and the exhaust side cleaning nozzle 210 are aligned with the engine cylinder head camshaft hole.

[0037] S4: the booster valve 303 of the high-pressure accumulator 301 is opened for 20 seconds, and the blowing cleaning work is started.

[0038] S5: the transparent sealing plate 105 and the soundproof cotton 103 collect oil mist and noise during cleaning.

[0039] S6: after cleaning, the booster valve 303 is closed to store energy for the next workpiece.

[0040] S7: the pneumatic cleaning mechanism 2 is reset.

[0041] S8: after the sensor on the body frame 101 detects that the pneumatic cleaning mechanism 2 enters the standby position, the automatic stopper 403 retreats to the position, and the conveying mechanism continues to work.

[0042] S9: the cleaned workpiece automatically leaves the body frame 101 and enters the next process, and the utility model opens the next cycle.

[0043] For those skilled in the art, it is obvious that the utility model is not limited to the details of the above exemplary embodiments, and the utility model can be realized in other forms without departing from the spirit or basic characteristics of the utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and therefore all changes falling within the meaning and scope of the equivalent conditions of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims involved.

[0044] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description manner of the specification is only for the sake of clarity, those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can be combined appropriately to form other embodiments that those skilled in the art can understand.

Claims

1. A fully automatic air-blowing cleaning device for engine cylinder head camshaft holes, characterized in that: The system includes a frame (101), a lifting cylinder (102), a pneumatic cleaning mechanism (2), and a high-pressure air supply system (3); the pneumatic cleaning mechanism (2) includes a high-pressure cleaning chamber (201), an inlet-side cleaning nozzle (202), an exhaust-side cleaning nozzle (210), a high-pressure air control box (218), and a high-pressure air inlet (219); the upper end of the frame (101) is fixedly connected to the cylinder body of the vertically arranged lifting cylinder (102), and the piston rod of the lifting cylinder (102) The high-pressure cleaning chamber (201) is fixedly connected to the high-pressure cleaning chamber (201), and the high-pressure cleaning chamber (201) is slidably connected to the body frame (101). A high-pressure air control box (218) is installed at the upper end of the high-pressure cleaning chamber (201), and a high-pressure air inlet (219) is provided in the middle of the high-pressure cleaning chamber (201). The high-pressure air inlet (219) is connected to the high-pressure air supply system (3). An air intake side cleaning nozzle (202) and an exhaust side cleaning nozzle (210) are fixedly provided at the lower end of the high-pressure cleaning chamber (201).

2. The fully automatic air-blowing cleaning device for engine cylinder head camshaft holes according to claim 1, characterized in that: The outer side of the body frame (101) is surrounded by a transparent sealing plate (105).

3. The fully automatic air-blowing cleaning device for engine cylinder head camshaft holes according to claim 1, characterized in that: The lower end of the body frame (101) is provided with a water receiving trough (104).

4. The fully automatic air-blowing cleaning device for engine cylinder head camshaft holes according to claim 1, characterized in that: The upper end of the high-pressure cleaning chamber (201) is equipped with sound insulation cotton (103).

5. The fully automatic air-blowing cleaning device for engine cylinder head camshaft holes according to claim 1, characterized in that: The high-pressure air supply system (3) includes a high-pressure storage tank (301), a storage tank base (302), and a booster valve (303); the high-pressure storage tank (301) is fixed on the storage tank base (302), and a booster valve (303) is installed on the upper end of the high-pressure storage tank (301). The high-pressure output port of the booster valve (303) is connected to the high-pressure air input port (219).

6. The fully automatic air-blowing cleaning device for engine cylinder head camshaft holes according to claim 1, characterized in that: The machine frame (101) and the water receiving tank (104) are both fixed on the conveying mechanism.

7. The fully automatic air-blowing cleaning device for engine cylinder head camshaft holes according to claim 6, characterized in that: The conveying mechanism includes an automatic slide rail (401), an optical sensor (402), and an automatic stop (403); the optical sensor (402) and the automatic stop (403) are fixed on the track of the automatic slide rail (401), the upper end of the slider of the automatic slide rail (401) is fixedly connected to the frame (1) and the water tank (104), and the optical sensor (402) is connected to the automatic stop (403) for signal transmission.

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