Automobile cylinder cover milling device and cleaning method thereof

Abstract

The invention discloses an automobile cylinder cover milling device and a cleaning method thereof, belongs to the technical field of automobile machining, and aims to solve the problems that in the prior art, the one-time washing range of an air gun is limited, the air gun needs to be held by hand for repeated cleaning, the efficiency is low, blown air flow raises fine chippings, operators easily suck the chippings during operation, and the sanitation is poor. Comprising a milling table, a lifting table, an air blower and a V-shaped cleaning roller, the lifting table is located on the inner side of the milling table, an opening is formed in the upper surface of the milling table, the lifting table is embedded in the opening, two sets of clamping rods are slidably installed on the inner side of the upper portion of the milling table, the two sets of clamping rods are attached to the upper surface of the lifting table, and a guide groove is horizontally formed in the inner wall of the upper portion of the milling table; and the end part of the clamping rod penetrates into the guide groove and horizontally slides. According to the automobile cylinder cover milling device, the working procedure matching is compact, the efficiency is high, the milling delay time of the cylinder cover during chipping cleaning is short, the intelligent degree is high, then the influence of chippings during manual cleaning is reduced, and the working comfort is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of automobile processing, and particularly relates to an automobile cylinder head milling device and a cleaning method thereof. Background Art

[0002] The cylinder head is a box-shaped part with a complex structure. It is processed with intake and exhaust valve seat holes, valve guide holes, spark plug mounting holes) or injector mounting holes. A water jacket, intake and exhaust passages and a combustion chamber or part of a combustion chamber are also cast inside the cylinder head. If the camshaft is installed on the cylinder head, the cylinder head is also processed with a cam bearing hole or a cam bearing seat and its lubricating oil passage. The cylinder head is installed on the top of the cylinder body, sealing the cylinder from the top and forming a combustion chamber. The sealing performance of this device is required to be high, so fine processing is required to reduce the surface roughness of the cylinder head; In the prior art, when machining an automobile cylinder head, such as milling, it is necessary to machine the upper and lower end faces of the cylinder head. During the machining process, a large amount of debris will be generated when milling the surface of the cylinder head. When the debris is generated, the machine needs to be cleaned. The cleaning method in the prior art is to flush the surface of the machine with an air gun when replacing the cylinder head machining surface. The flushing range of the air gun is limited at one time, and it is necessary to hold the air gun for repeated cleaning, which is inefficient and the airflow will lift up fine debris, which is easy for the machine operator to inhale when operating, and the hygiene is not good. Therefore, the inventor proposes an automobile cylinder head milling device. Summary of the invention

[0003] (1) Technical issues to be resolved In view of the deficiencies in the prior art, the purpose of the present invention is to provide an automobile cylinder head milling device and a cleaning method thereof, aiming to solve the problems that the air gun in the prior art has a limited flushing range at one time, requires a hand-held air gun to be repeatedly cleaned, has low efficiency, and the blown air flow will raise fine debris, which can be easily inhaled by the operator during operation, resulting in poor hygiene.

[0004] (2) Technical solution In order to solve the above technical problems, the present invention provides a vehicle cylinder head milling device, comprising a milling table, a lifting table, a blower and a V-shaped cleaning roller, wherein the lifting table is located on the inner side of the milling table, an opening is provided on the upper surface of the milling table, the lifting table is embedded in the opening, two groups of clamping rods are slidably installed on the inner side of the upper part of the milling table, the two groups of clamping rods are attached to the upper surface of the lifting table, a guide groove is horizontally provided on the upper inner wall of the milling table, the end of the clamping rod is inserted into the guide groove and slides horizontally, and a first camera is fixed on the inner wall of the milling table above the lifting table; A protective cover is provided on the side wall of the milling table, a driving screw is rotatably provided inside the protective cover, a moving block is provided on the external thread sleeve of the driving screw, the moving block penetrates into the milling table and is rotatably connected with the V-shaped cleaning roller, moving blocks are provided at both ends of the V-shaped cleaning roller, the V-shaped cleaning roller is arranged in a lying state, and moves horizontally along the inside of the milling table; A collecting bottom frame is provided at the bottom of the milling table, a pulley is provided on the bottom end surface of the collecting bottom frame, a rectangular opening is provided on the outer wall of the milling table for the collecting bottom frame to slide in or out, and a second camera is installed on the inner wall of the milling table corresponding to the collecting bottom frame.

[0005] Preferably, a hair dryer is provided on the side wall of the milling table, and a plurality of groups of the hair dryers are distributed side by side and at intervals. The hair dryers are connected to the inside of the milling table to blow air into the milling table.

[0006] Preferably, a tool is provided above the milling table, the top of the tool is connected to an X-axis drive plate, the X-axis drive plate is installed on the Z-axis drive plate, a Y-axis drive plate is provided at the end of the Z-axis drive plate, the Y-axis drive plate is vertically installed on the milling table, and a tool changing rack is provided on the outer wall of the Z-axis drive plate.

[0007] Preferably, the end of the V-shaped cleaning roller is fixedly connected to a connecting shaft, the other end of the connecting shaft rotates in a transmission moving block and is fixedly connected to a driving gear, a moving groove is horizontally opened on the side wall of the milling table, and the moving block is embedded in the moving groove.

[0008] Preferably, a rack is horizontally fixedly mounted on the inner wall of the movable groove, the bottom end surface of the movable block has a notch for the rack to pass through, the rack is adapted to a driving gear rotatably arranged in the movable block, and the bottom of the movable block is open.

[0009] Preferably, fixed blocks are fixedly installed on the outer wall of the milling table at both ends of the driving screw, and the fixed block is rotatably connected to the driving screw. The end of the driving screw passes through the fixed block and is fixedly connected to conical tooth one. Conical tooth two is vertically distributed on the side of conical tooth one, and conical tooth one is meshed with conical tooth two. A driving shaft is fixedly connected to the center surface of conical tooth two, and a driving motor is fixedly connected to the end of the driving shaft away from conical tooth two. The driving motor is fixedly installed on the outer wall of the protective cover.

[0010] Preferably, a chassis is protruding on both sides of the bottom of the lifting platform, and a lifting rod is rotatably connected to the outer wall of the chassis. The lifting rod is vertically arranged and movably connected to a supporting base column at the bottom. The supporting base column is fixedly installed inside the milling table, and a hydraulic cylinder for lifting the lifting rod is vertically installed inside the supporting base column.

[0011] Preferably, telescopic cylinders are symmetrically distributed on the bottom end surface of the lifting platform, the telescopic cylinders are vertically arranged and the telescopic ends are movably connected to the lifting platform, the bottom end is fixedly connected to a support frame, the support frame is fixed on the supporting bottom column, and a ranging sensor is also installed on the bottom end surface of the lifting platform.

[0012] On the other hand, the present application also provides a method for cleaning a cylinder head milling device of an automobile, comprising: Step 1. Acquire the lifting platform image captured by the first camera in real time, and determine whether there is a workpiece on the current lifting platform according to the lifting platform image; Step 2. When there is no workpiece on the lifting platform, control the lifting rod and the telescopic cylinder to retract, so that the lifting platform starts to descend; Step 3. Obtain the distance value collected by the distance measuring sensor in real time. When the distance value is less than or equal to the preset value, control the two sets of telescopic cylinders to extend one side and retract the other side, so that the lifting platform fits the V-shaped cleaning roller; Step 4. Turn on the drive motor, and the V-shaped cleaning roller reciprocates along the surface of the lifting platform under the drive of the drive motor, and the air pressure maintenance values ​​of the two sets of telescopic cylinders are respectively obtained in real time during the movement of the V-shaped cleaning roller; Step 5. Calculate the air pressure change rate at the current position based on the real-time air pressure maintenance values ​​of the telescopic cylinders on both sides, and determine whether to maintain the driving motor to drive the V-shaped cleaning roller based on the air pressure change rate.

[0013] Furthermore, the air pressure change rate at the current position is calculated based on the air pressure maintenance values ​​of the telescopic cylinders on both sides obtained in real time, including: Step 51. Calculate the corresponding first air pressure average value and second air pressure average value according to the first air pressure value set and the second air pressure value set corresponding to the first moment, the second moment, the third moment and the fourth moment, respectively, the first air pressure value set and the second air pressure value set respectively include the air pressure maintenance values ​​corresponding to the two telescopic cylinders on one side, the time series of the first moment, the second moment, the third moment and the fourth moment are dependent and adjacent, and the first moment is earlier than the second moment, the second moment is earlier than the third moment, the third moment is earlier than the fourth moment, and the fourth moment corresponds to the current position of the V-shaped cleaning roller; Step 52. Filter out the first maximum value and the first minimum value from the first air pressure average values ​​corresponding to the first moment, the second moment, the third moment and the fourth moment; Step 53. Filter out the second maximum value and the second minimum value from the second air pressure average values ​​corresponding to the first moment, the second moment, the third moment and the fourth moment; Step 54. If the first difference or the second difference is less than the threshold, the air pressure change rate at the current position is a preset value, otherwise, the process proceeds to step S55, where the first difference is the difference between the first maximum value and the first minimum value, and the second difference is the difference between the second maximum value and the second minimum value; Step 55. Calculate the first air pressure change rate based on the first maximum and the first minimum, calculate the second air pressure change rate based on the second maximum and the second minimum, and take the maximum value of the second air pressure change rate and the first air pressure change rate as the air pressure change rate at the current position.

[0014] (3) Beneficial effects Compared with the prior art, the present invention has the following beneficial effects: Thanks to the detachable design of the lifting platform and the milling platform, the present invention makes it more convenient to clean the debris in the cylinder head processing. The overall cleaning process does not require manual participation and has a high degree of intelligence, thereby reducing the impact of debris during manual cleaning and improving work comfort. In addition, the V-shaped cleaning roller has a wider cleaning range at one time and a high cleaning effect. Through the tiltable setting of the lifting platform, when the metal debris is separated from the lifting platform surface by the cleaning force, it can automatically flow toward the collection bottom frame. The process is compact and efficient, and the milling processing of the cylinder head is delayed for a short time when cleaning the debris. Through the cooperation between the moving block and the rack, when the V-shaped cleaning roller is forced to move, since the driving gear in the moving block is fixedly connected to the V-shaped cleaning roller, when the driving gear and the gear rotate in cooperation, the V-shaped cleaning roller is driven to rotate synchronously, so that the V-shaped cleaning roller has a self-rotation effect while moving horizontally, thereby further improving the cleaning effect on metal debris and avoiding the adhesion of debris. The cleaning force for metal debris is stronger and the cleaning surface is wide, which can be widely promoted. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0016] Figure 1 It is a structural schematic diagram of the present invention; Figure 2 It is a structural schematic diagram of the lifting platform in the descending state; Figure 3 for Figure 2 The enlarged structural diagram at A in the middle; Figure 4 for Figure 2 The enlarged structural diagram at B in the middle; Figure 5 The three-dimensional structure of the lifting platform; Figure 6 This is a schematic diagram of the structure of the collection bottom frame sliding out of the milling table.

[0017] The markings in the attached drawings are: 1. milling table; 2. blower; 3. protective cover; 4. drive motor; 5. tool; 6. first camera; 7. X-axis drive plate; 8. Z-axis drive plate; 9. Y-axis drive plate; 10. tool changer; 11. clamping rod; 12. lifting platform; 13. guide groove; 14. V-shaped cleaning roller; 15. drive screw; 16. fixed block; 17. moving groove; 18. rack; 19. moving block; 20. connecting shaft; 21. drive shaft; 22. supporting base column; 23. telescopic cylinder; 24. supporting frame; 25. lifting rod; 26. chassis; 27. ranging sensor; 28. second camera; 29. ​​collecting bottom frame; 30. opening. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention. Example

[0019] The present application provides a vehicle cylinder head milling device, the structural schematic diagram of which is shown in FIG. Figure 1 The device shown includes a milling table 1, a lifting table 12, a blower 2, and a V-shaped cleaning roller 14. The lifting table 12 is located on the inner side of the milling table 1. An opening 30 is provided on the upper surface of the milling table 1. The lifting table 12 is embedded in the opening 30. Two groups of clamping rods 11 are slidably installed on the inner side of the upper part of the milling table 1. The two groups of clamping rods 11 fit the upper surface of the lifting table 12. A guide groove 13 is horizontally provided on the upper inner wall of the milling table 1. The end of the clamping rod 11 penetrates into the guide groove 13 and slides horizontally. A first camera 6 is fixed on the inner wall of the milling table 1 above the lifting table 12. A blower 2 is provided on the side wall of the milling table 1. Multiple groups of blowers 2 are arranged side by side and spaced apart. The blower 2 is connected to the inside of the milling table 1 and blows air toward the inside of the milling table 1.

[0020] A tool 5 is provided above the milling table 1, and an X-axis driving plate 7 is connected to the top of the tool 5. The X-axis driving plate 7 is installed on the Z-axis driving plate 8. A Y-axis driving plate 9 is provided at the end of the Z-axis driving plate 8. The Y-axis driving plate 9 is vertically installed on the milling table 1, and a tool changing rack 10 is provided on the outer wall of the Z-axis driving plate 8.

[0021] Reference Figure 2 , Figure 3A protective cover 3 is provided on the side wall of the milling table 1. A driving screw 15 is rotatably provided inside the protective cover 3. A moving block 19 is provided on the outer thread sleeve of the driving screw 15. The moving block 19 penetrates into the milling table 1 and is rotatably connected with the V-shaped cleaning roller 14. Both ends of the V-shaped cleaning roller 14 are provided with moving blocks 19. The V-shaped cleaning roller 14 is arranged in a lying state and moves horizontally along the inside of the milling table 1. A connecting shaft 20 is fixedly connected to the end of the V-shaped cleaning roller 14. The other end of the connecting shaft 20 is rotated in the transmission moving block 19 and is fixedly connected with the driving gear. A moving groove 17 is horizontally opened on the side wall of the milling table 1. The moving block 19 is embedded in the moving groove 17. A rack 18 is horizontally fixedly installed on the inner wall of the moving groove 17. The bottom end surface of the moving block 19 has a notch for the rack 18 to pass through. The rack 18 is adapted to the driving gear rotatably arranged in the moving block 19. The bottom of the moving block 19 is open. The moving block 19 slides along the moving groove 17, driving the V-shaped cleaning roller 14 to move from one side of the milling table 1 to the other side, so as to clean the surface of the lifting platform 12. When the V-shaped cleaning roller 14 is moved under force, since the driving gear in the moving block 19 is fixedly connected to the V-shaped cleaning roller 14, when the driving gear and the gear rotate in coordination, the V-shaped cleaning roller 14 is driven to rotate synchronously, so that the V-shaped cleaning roller 14 has a self-rotation effect while moving horizontally, thereby further improving the cleaning effect on metal debris and avoiding debris adhesion.

[0022] Reference Figure 2 , Figure 4 On the outer wall of the milling table 1, fixed blocks 16 are fixedly installed at both ends of the driving screw 15, and the fixed block 16 is rotatably connected to the driving screw 15. The end of the driving screw 15 passes through the fixed block 16 and is fixedly connected to the conical tooth 1. Conical tooth 2 is vertically distributed on the side of conical tooth 1. Conical tooth 1 is meshed with conical tooth 2. A driving shaft 21 is fixedly connected to the center surface of conical tooth 2. The end of the driving shaft 21 away from conical tooth 2 is fixedly connected to a driving motor 4, and the driving motor 4 is fixedly installed on the outer wall of the protective cover 3.

[0023] Reference Figure 5 The bottom of the lifting platform 12 is provided with a chassis 26 protruding from both sides. A lifting rod 25 is rotatably connected to the outer wall of the chassis 26. The lifting rod 25 is arranged vertically, and the bottom is movably connected to a supporting bottom column 22. The supporting bottom column 22 is fixedly installed inside the milling table 1. A hydraulic cylinder for lifting the lifting rod 25 is vertically installed inside the supporting bottom column 22. The bottom end surface of the lifting platform 12 is symmetrically distributed with telescopic cylinders 23. The telescopic cylinders 23 are arranged vertically and the telescopic ends are movably connected to the lifting platform 12. The bottom end is fixedly connected to a support frame 24, which is fixed on the supporting bottom column 22. A distance sensor 27 is also installed on the bottom end surface of the lifting platform 12.

[0024] Reference Figure 6The bottom of the milling table 1 is provided with a collecting bottom frame 29, the bottom end surface of the collecting bottom frame 29 has a pulley, the outer wall of the milling table 1 has a rectangular opening for the collecting bottom frame 29 to slide in or out, and a second camera 28 is installed on the inner wall of the milling table 1 corresponding to the collecting bottom frame 29. The debris flows into the collecting bottom frame 29 at the bottom along the inclined lifting platform 12. After the debris cleaning is completed, the lifting platform 12 can be moved up and reset. The overall cleaning process does not require manual participation, and the degree of intelligence is high, thereby reducing the impact of debris during manual cleaning.

[0025] Working principle: After one side of the automobile cylinder head is processed, the other side can be changed for reprocessing. When the automobile cylinder head leaves the upper surface of the lifting platform 12, the first camera 6 detects that the object has left, and the lifting platform 12 descends toward the inside of the milling table 1. The lifting rod 25 and the telescopic cylinder 23 shrink synchronously. The lifting platform 12 determines the downward movement height through the distance sensor 27 and moves to a position lower than the V-shaped cleaning roller 14. Then, the symmetrically distributed telescopic cylinders 23 move separately, with one side extending and the other side shrinking, so that the lifting platform 12 starts to move. The V-shaped cleaning roller 14 is gradually tilted and fits with the surface of the V-shaped cleaning roller 14. In the tilted state, it is more conducive to cleaning the metal processing debris on the surface of the lifting platform 12, and the debris after cleaning will automatically flow down along the inclined slope, reducing accumulation and improving the cleaning efficiency of the debris. The V-shaped cleaning roller 14 is a cleaning roller with a thick end and a thin end that is approximately V-shaped. With the start of the drive motor 4, the conical teeth 1 and the conical teeth 2 are driven to drive the screw rod 15 to rotate under force, and the moving block 19 slides along the moving groove 17, driving the V-shaped cleaning roller 14 along One side of the milling table 1 moves toward the other side, so as to fit the surface of the lifting platform 12 for cleaning. When the V-shaped cleaning roller 14 is moved by force, the driving gear in the moving block 19 is fixedly connected to the V-shaped cleaning roller 14. When the driving gear and the gear rotate in coordination, the V-shaped cleaning roller 14 is driven to rotate synchronously, so that the V-shaped cleaning roller 14 has a self-rotation effect while moving horizontally, thereby further improving the cleaning effect of metal debris and avoiding debris adhesion. The debris flows into the bottom collecting frame 29 at the bottom along the inclined lifting platform 12. After the debris cleaning is completed, the lifting platform 12 can be moved up and reset. The overall cleaning process does not require manual participation and has a high degree of intelligence, thereby reducing the impact of debris during manual cleaning and improving work comfort. In addition, the V-shaped cleaning roller 14 has a wider cleaning range at one time and a higher cleaning effect. Through the tiltable setting of the lifting platform 12, when the metal debris is separated from the surface of the lifting platform 12 by the cleaning force, it can automatically flow toward the collecting frame 29. The process is compact and efficient, and the milling process of the cylinder head is delayed for a short time when cleaning the debris. The second camera 28 monitors the debris in the collection bottom frame 29 in real time. Since the collection bottom frame 29 is an embedded setting, it is difficult for outsiders to intuitively see the amount of collection. The second camera 28 can give timely reminders based on the collection amount setting, making it convenient for the operator to clean up the collected debris in time. Example

[0026] The present application also provides a cleaning method for a cylinder head milling device of an automobile, comprising: Step 1. Acquire the image of the lifting platform 12 captured by the first camera 6 in real time, and determine whether there is a workpiece on the lifting platform 12 according to the image of the lifting platform 12.

[0027] Step 2. When there is no workpiece on the lifting platform 12, the lifting rod 25 and the telescopic cylinder 23 are controlled to retract, so that the lifting platform 12 starts to descend.

[0028] Step 3. Obtain the distance value collected by the distance measuring sensor 27 in real time. When the distance value is less than or equal to the first preset value, control the two groups of telescopic cylinders 23 to extend one side and retract the other side to make the lifting platform 12 fit with the V-shaped cleaning roller 14.

[0029] It should be noted that in this step, the lifting platform 12 is lowered to the area that can be cleaned by the V-shaped cleaning roller 14. That is, the size of the first preset value in this step is specifically determined by the actual design height of the V-shaped cleaning roller 14, so the numerical value is no longer specifically described in this application.

[0030] Step 4. Turn on the drive motor 4, and the V-shaped cleaning roller 14 reciprocates along the surface of the lifting platform 12 under the drive of the drive motor 4, and the air pressure maintenance values ​​of the two sets of telescopic cylinders 23 are respectively obtained in real time during the movement of the V-shaped cleaning roller 14.

[0031] It should be noted that the air pressure maintenance value obtained in real time in this step is the air pressure value of the pipeline connected to each telescopic cylinder 23. Among them, the two groups of telescopic cylinders 23 mentioned in this application are respectively one group of extended compression cylinders and one group of retracted compression cylinders.

[0032] Step 5. Calculate the air pressure change rate at the current position according to the air pressure maintenance values ​​of the telescopic cylinders 23 on both sides obtained in real time, and determine whether to maintain the driving motor 4 to drive the V-shaped cleaning roller 14 according to the air pressure change rate.

[0033] In the present application, the air pressure of the two sets of telescopic cylinders 23 is monitored during the cleaning process to indirectly monitor the cleaning state of the V-shaped cleaning roller 14. When the V-shaped cleaning roller 14 cleans to the point where a lot of metal debris is adhered, the V-shaped cleaning roller 14 does not have much room for movement, which will cause pressure on the telescopic cylinder 23 in different situations, which is reflected in the increase of the air pressure value of the telescopic cylinder 23. The above cleaning method can better clean the lifting platform 12.

[0034] Furthermore, the present application also provides a method for further judging the cleaning state, specifically, calculating the air pressure change rate at the current position according to the air pressure maintenance values ​​of the telescopic cylinders 23 on both sides obtained in real time, including: Step 51. Calculate the corresponding first average air pressure value and second average air pressure value according to the first pressure value set and the second pressure value set corresponding to the first moment, the second moment, the third moment and the fourth moment, respectively. The first pressure value set and the second pressure value set respectively include the air pressure maintenance values ​​corresponding to the two telescopic cylinders 23 on one side. The time series of the first moment, the second moment, the third moment and the fourth moment are dependent and adjacent, and the first moment is earlier than the second moment, the second moment is earlier than the third moment, and the third moment is earlier than the fourth moment. The fourth moment corresponds to the current position of the V-shaped cleaning roller 14.

[0035] It should be noted that in the application, the first moment, the second moment, the third moment and the fourth moment are 0.3 s.

[0036] Step 52. Filter out the first maximum value and the first minimum value from the first air pressure average values ​​corresponding to the first moment, the second moment, the third moment and the fourth moment.

[0037] Step 53. Filter out the second maximum value and the second minimum value from the second air pressure average values ​​corresponding to the first moment, the second moment, the third moment and the fourth moment.

[0038] Step 54. If the first difference or the second difference is less than the threshold, the air pressure change rate at the current position is the second preset value, otherwise it goes to step S55, the first difference is the difference between the first maximum and the first minimum, and the second difference is the difference between the second maximum and the second minimum.

[0039] Step 55. Calculate the first air pressure change rate based on the first maximum and the first minimum, calculate the second air pressure change rate based on the second maximum and the second minimum, and take the maximum value of the second air pressure change rate and the first air pressure change rate as the air pressure change rate at the current position.

[0040] Through the above method, in the present application, if it is found that the air pressure change exceeds the second preset value within a period of time (within 1.2s), it is necessary to drive the V-shaped cleaning roller 14 to clean the lifting platform 12 again, or when the air pressure change rate exceeds the air pressure change rate setting value within a period of time (within 1.2s), it is also necessary to drive the V-shaped cleaning roller 14 to clean the lifting platform 12 again. The above method can better clean the debris adhered to the lifting platform 12. The air pressure change rate setting value is also set by skilled technicians according to actual conditions, and this application will not repeat it.

[0041] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A milling device for a cylinder head of an automobile, comprising a milling table (1), a lifting table (12), a blower (2) and a V-shaped cleaning roller (14), characterized in that: The lifting platform (12) is located on the inner side of the milling table (1), an opening (30) is provided on the upper surface of the milling table (1), the lifting platform (12) is embedded in the opening (30), two groups of clamping rods (11) are slidably mounted on the inner side of the upper part of the milling table (1), the two groups of clamping rods (11) are in contact with the upper surface of the lifting platform (12), a guide groove (13) is horizontally provided on the upper inner wall of the milling table (1), the end of the clamping rod (11) is inserted into the guide groove (13) and slides horizontally, and a first camera (6) is fixed on the inner wall of the milling table (1) above the lifting platform (12); A protective cover (3) is provided on the side wall of the milling table (1), a driving screw (15) is rotatably provided inside the protective cover (3), a moving block (19) is provided on the outer thread sleeve of the driving screw (15), the moving block (19) penetrates into the milling table (1) and is rotatably connected to the V-shaped cleaning roller (14), both ends of the V-shaped cleaning roller (14) are provided with a moving block (19), the V-shaped cleaning roller (14) is arranged in a lying position, and moves horizontally along the inside of the milling table (1); A collecting bottom frame (29) is provided at the bottom of the milling table (1), a pulley is provided on the bottom end surface of the collecting bottom frame (29), a rectangular opening is provided on the outer wall of the milling table (1) for the collecting bottom frame (29) to slide in or out, and a second camera (28) is installed on the inner side wall of the milling table (1) at a position corresponding to the collecting bottom frame (29).

2. The automobile cylinder head milling device according to claim 1, characterized in that: A blower (2) is provided on the side wall of the milling table (1), and a plurality of groups of the blowers (2) are arranged side by side and spaced apart from each other. The blowers (2) are connected to the inside of the milling table (1) and blow air toward the inside of the milling table (1).

3. The automobile cylinder head milling device according to claim 1, characterized in that: A tool (5) is provided above the milling table (1); an X-axis drive plate (7) is connected to the top of the tool (5); the X-axis drive plate (7) is mounted on a Z-axis drive plate (8); a Y-axis drive plate (9) is provided at the end of the Z-axis drive plate (8); the Y-axis drive plate (9) is vertically mounted on the milling table (1); and a tool changer (10) is provided on the outer wall of the Z-axis drive plate (8).

4. The automobile cylinder head milling device according to claim 1, characterized in that: The end of the V-shaped cleaning roller (14) is fixedly connected to a connecting shaft (20), the other end of the connecting shaft (20) is rotated in a transmission moving block (19) and is fixedly connected to a driving gear, a moving groove (17) is horizontally opened on the side wall of the milling table (1), and the moving block (19) is embedded in the moving groove (17).

5. The automobile cylinder head milling device according to claim 4, characterized in that: A rack (18) is fixedly mounted horizontally on the inner wall of the movable groove (17); a bottom end surface of the movable block (19) has a notch for the rack (18) to pass through; the rack (18) is adapted to a driving gear rotatably arranged in the movable block (19); and the bottom of the movable block (19) is open.

6. The automobile cylinder head milling device according to claim 1, characterized in that: On the outer wall of the milling table (1), fixed blocks (16) are respectively fixedly mounted at both ends of the driving screw (15), the fixed blocks (16) are rotatably connected to the driving screw (15), the end of the driving screw (15) passes through the fixed blocks (16) and is fixedly connected to the conical tooth 1, the conical tooth 2 is vertically distributed beside the conical tooth 1, the conical tooth 1 is meshed with the conical tooth 2, a driving shaft (21) is fixedly connected to the center surface of the conical tooth 2, and the end of the driving shaft (21) away from the conical tooth 2 is fixedly connected to the driving motor (4), and the driving motor (4) is fixedly mounted on the outer wall of the protective cover (3).

7. The automobile cylinder head milling device according to claim 1, characterized in that: A chassis (26) is protruded from both sides of the bottom of the lifting platform (12), and a lifting rod (25) is rotatably connected to the outer wall of the chassis (26). The lifting rod (25) is vertically arranged and movably connected to a supporting bottom column (22) at the bottom. The supporting bottom column (22) is fixedly installed inside the milling table (1), and a hydraulic cylinder for lifting the lifting rod (25) is vertically installed inside the supporting bottom column (22).

8. The automobile cylinder head milling device according to claim 7, characterized in that: The bottom end surface of the lifting platform (12) is symmetrically distributed with telescopic cylinders (23), the telescopic cylinders (23) are vertically arranged and the telescopic ends are movably connected to the lifting platform (12), the bottom end is fixedly connected with a support frame (24), the support frame (24) is fixed on the supporting bottom column (22), and the bottom end surface of the lifting platform (12) is also installed with a distance sensor (27).

9. A method for cleaning a cylinder head milling device for an automobile, using any one of the cylinder head milling devices for an automobile as claimed in claims 1 to 8, characterized in that: include: Step 1. Acquire an image of the lifting platform (12) captured by the first camera (6) in real time, and determine whether there is a workpiece on the lifting platform (12) based on the image of the lifting platform (12); Step 2. When there is no workpiece on the lifting platform (12), the lifting rod (25) and the telescopic cylinder (23) are controlled to retract, so that the lifting platform (12) starts to descend; Step 3. Obtain the distance value collected by the distance measuring sensor (27) in real time. When the distance value is less than or equal to a preset value, control the two sets of telescopic cylinders (23) to extend one side and retract the other side, so that the lifting platform (12) fits the V-shaped cleaning roller (14); Step 4. Turn on the drive motor (4), and the V-shaped cleaning roller (14) reciprocates along the surface of the lifting platform (12) under the drive of the drive motor (4), and the air pressure maintenance values ​​of the two sets of telescopic cylinders (23) are respectively obtained in real time during the movement of the V-shaped cleaning roller (14); Step 5. Calculate the air pressure change rate at the current position based on the air pressure maintenance values ​​of the telescopic cylinders (23) on both sides obtained in real time, and determine whether to maintain the driving motor (4) to drive the V-shaped cleaning roller (14) based on the air pressure change rate.

10. A cleaning method for a vehicle cylinder head milling device according to claim 9, characterized in that: The current position air pressure change rate is calculated based on the air pressure maintenance values ​​of the telescopic cylinders (23) on both sides obtained in real time, including: Step 51. Calculate the corresponding first and second air pressure average values ​​according to the first and second air pressure value sets corresponding to the first, second, third and fourth moments, respectively, the first and second air pressure value sets respectively including the air pressure maintenance values ​​corresponding to the two telescopic cylinders (23) on one side, the time series of the first, second, third and fourth moments are dependent and adjacent, and the first moment is earlier than the second moment, the second moment is earlier than the third moment, the third moment is earlier than the fourth moment, and the fourth moment corresponds to the current position of the V-shaped cleaning roller (14); Step 52. Filter out the first maximum value and the first minimum value from the first air pressure average values ​​corresponding to the first moment, the second moment, the third moment and the fourth moment; Step 53. Filter out the second maximum value and the second minimum value from the second air pressure average values ​​corresponding to the first moment, the second moment, the third moment and the fourth moment; Step 54. If the first difference or the second difference is less than the threshold, the air pressure change rate at the current position is a preset value, otherwise, the process proceeds to step S55, where the first difference is the difference between the first maximum value and the first minimum value, and the second difference is the difference between the second maximum value and the second minimum value; Step 55. Calculate the first air pressure change rate based on the first maximum and the first minimum, calculate the second air pressure change rate based on the second maximum and the second minimum, and take the maximum value of the second air pressure change rate and the first air pressure change rate as the air pressure change rate at the current position.

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