阅读说明：本技术 一种船用柴油机缸盖爆发面数控精加工装置及方法 (Numerical control finish machining device and method for explosion surface of cylinder cover of marine diesel engine ) 是由 鲍亮 方慧军 张宏胜 于 2021-07-29 设计创作，主要内容包括：本发明涉及一种船用柴油机缸盖爆发面数控精加工装置及方法,涉及缸盖加工技术领域,包括加工台和设于加工台上的机械臂,还包括滑动设于机械臂外的多适应刀具库盘,所述多适应刀具库盘沿其水平中轴线呈驱动旋转设置,调用用于缸盖爆发面精加工的刀具；设于加工台中心处的零点定位台；和设于加工台上沿零点定位台外侧呈包围设置的多个多适应夹具。本发明实现缸盖爆发面加工过程无需人工依次更换刀具,通过计算机记忆多适应刀具库盘内部刀具位置,计算机数控操作多适应刀具库盘4转动调用不同的刀具以完成不同的加工过程,自动化程度高,有利于缸盖加工效率的大幅度提升。(The invention relates to a numerical control finish machining device and method for a marine diesel engine cylinder cover explosion surface, which relate to the technical field of cylinder cover machining and comprise a machining table, a mechanical arm arranged on the machining table and a multi-adaptive tool magazine disc arranged outside the mechanical arm in a sliding mode, wherein the multi-adaptive tool magazine disc is arranged in a driving and rotating mode along a horizontal central axis of the multi-adaptive tool magazine disc, and a tool for finish machining of the explosion surface of the cylinder cover is called; a zero point positioning table arranged at the center of the processing table; and a plurality of adaptive clamps which are arranged on the processing table and surround the outer side of the zero point positioning table. According to the invention, the cutters are not required to be replaced manually and sequentially in the machining process of the explosion surface of the cylinder cover, the positions of the cutters in the multi-adaptive cutter warehouse disc are memorized by the computer, the multi-adaptive cutter warehouse disc 4 is operated by the computer in a numerical control manner to rotate and call different cutters to complete different machining processes, the automation degree is high, and the machining efficiency of the cylinder cover is greatly improved.)

1. The utility model provides a marine diesel cylinder cap explosion face numerical control finish machining device, includes processing platform (1) and locates arm (3) on processing platform (1), its characterized in that: the multi-adaptive tool magazine disc (4) is slidably arranged outside the mechanical arm (3), the multi-adaptive tool magazine disc (4) is arranged along the horizontal central axis in a driving and rotating mode, and a tool for finish machining of the explosion surface of the cylinder cover is called;

the zero positioning table (2) is arranged at the center of the machining table (1), and the zero positioning table (2) is arranged along a vertical central axis in a driving and rotating manner and is used for performing zero positioning on the cylinder cover; and

the multiple adaptive clamps (9) are arranged on the machining table (1) and surround the outer side of the zero point positioning table (2), and circumferentially surround, clamp and fix the outer side surface of the cylinder cover.

2. The numerical control finish machining device for the explosion surface of the marine diesel engine cylinder cover according to claim 1, is characterized in that: many adaptation tool magazine dish (4) comprise base (41), tool magazine (42) and electric rotary table (43), arm (3) outside is located in base (41) slip, and base (41) keep away from the one end of arm (3) and be equipped with bearing frame (410), tool magazine (42) one end cup joints on bearing frame (410), with base (41) normal running fit, electric rotary table (43) are connected with the one end that base (41) were kept away from to tool magazine (42).

3. The numerical control finish machining device for the explosion surface of the marine diesel engine cylinder cover according to claim 2, is characterized in that: the outside circumference equipartition of tool magazine (42) has a plurality of unit knife rest (44), one end that base (41) stretched into in tool magazine (42) is equipped with linear electric motor (45), and the outside sliding fit of linear electric motor (45) has slide (46), the outside of slide (46) is fixed and is equipped with driving motor (47), and the drive end of driving motor (47) is connected with pneumatic claw dish (48), the perpendicular axis of pneumatic claw dish (48) coincides mutually with the perpendicular axis of unit knife rest (44) that are located tool magazine (42) bottom.

4. The numerical control finish machining device for the explosion surface of the marine diesel engine cylinder cover according to claim 3, characterized in that: base (41) stretch into the one end in tool magazine (42) and the both sides that are located linear electric motor (45) are equipped with shock mount (411), the outside of base (41) is equipped with safety guard (49), and the bottom of safety guard (49) leaves the through groove that supplies unit knife rest (44) activity to insert.

5. The numerical control finish machining device for the explosion surface of the marine diesel engine cylinder cover according to claim 3, characterized in that: the unit tool rest (44) is composed of a main shaft (441), a sliding sleeve (442) and fixing claws (443), the sliding sleeve (442) is movably inserted to the periphery of the tool magazine (42), the main shaft (441) is movably sleeved on the sliding sleeve (442), two fixing claws (443) are symmetrically arranged at the outer end of the main shaft (441), and fastening nuts (444) are matched with external threads of the two fixing claws (443).

6. The numerical control finish machining device for the explosion surface of the marine diesel engine cylinder cover according to claim 5, is characterized in that: the outer side wall of one end, positioned inside the tool magazine (42), of the sliding sleeve (442) is fixedly provided with a connecting plate (445), and one side of the connecting plate (445) is provided with a return spring (446) connected with the inner side wall of the tool magazine (42).

7. The numerical control finish machining device for the explosion surface of the marine diesel engine cylinder cover according to claim 1, is characterized in that: the machining table (1) is provided with a protective cover (5) along the outer side of the zero point positioning table (2), the periphery of the protective cover (5) is provided with mounting grooves (7) corresponding to multiple adaptive clamps (9), each mounting groove (7) is provided with a positioning sliding groove (8), the multiple adaptive clamps (9) are composed of a rotating seat (91), a first air cylinder (94), a clamp head (95), a turning rod (96), a U-shaped pressure head (92) and a second air cylinder (93), the rotating seat (91) is movably arranged in the positioning sliding grooves (8), a piston rod of the first air cylinder (94) is fixedly inserted into the rotating seat (91), the clamp head (95) is fixedly arranged at the piston rod end of the first air cylinder (94), the turning rod (96) is arranged in the mounting groove (7) and driven by a motor, the top end of the turning rod is contacted with the first air cylinder (94), the second air cylinder (93) is arranged at the top end of the protective cover (5), and the piston rod end of the second air cylinder (93) is provided with a U-shaped pressure head (92) which is in contact with the cylinder body of the first air cylinder (94).

8. The numerical control finish machining device for the explosion surface of the marine diesel engine cylinder cover is characterized in that a dust suction fan (10) is arranged inside the machining table (1), a guide plate (6) is arranged at the top end of the machining table (1) along the periphery of the zero point positioning table (2), and the guide plate (6) is a hollow conical cover body.

9. A method for carrying out numerical control finish machining on the explosion surface of a marine diesel engine cylinder cover by using the machining device of any one of claims 1 to 8, which is characterized by comprising the following steps,

s1, adjusting the zero point positioning table (2) to enable the center point of the zero point positioning table to be aligned with the vertical middle axis of the multi-adaptive tool magazine disc (4), then preparing a crude product of the cylinder cover to be finely machined, placing the crude product of the cylinder cover on the zero point positioning table (2) to enable the explosion surface of the crude product to face upwards, and fixing the position of the cylinder cover by using a multi-adaptive clamp (9);

s2, adjusting the multi-adaptive cutter storehouse disc (4) to adapt to the height of a cylinder cover, checking the state of cutters in the multi-adaptive cutter storehouse disc (4), then, sequentially selecting cutters for finish machining of the explosion surface of the cylinder cover by using the multi-adaptive cutter storehouse disc (4), sequentially finishing finish machining of the end surface and each outer circular surface of the explosion surface of the cylinder cover, cutting a ring groove of the outer circular surface, and finishing machining of an inner spigot, an arc surface and a hole end surface of the explosion surface, and finishing machining of a ring groove and an oil injector hole at the bottom of the inner spigot;

and S3, releasing the fixed state of the multi-adaptive clamp (9), and finishing the finish machining of the explosion surface of the cylinder cover after taking down the cylinder cover and carrying out the subsequent surface treatment process.

Technical Field

The invention belongs to the technical field of cylinder cover machining, and particularly relates to a numerical control finish machining device and method for a detonation face of a cylinder cover of a marine diesel engine.

Background

The diesel engine is the heart of a ship, and a cylinder cover of the diesel engine is an important part of the diesel engine, so that the mechanical efficiency of the diesel engine is reduced by a light diesel engine, and a piston can be pulled out of a cylinder and a bush by a heavy diesel engine, even the whole diesel engine can be damaged, and irretrievable loss is caused. Therefore, higher requirements are provided for the manufacturing process of the cylinder cover, and a reasonable processing scheme and process are very important to ensure the quality stability and improve the guarantee capability;

the processing of the cylinder cover mainly comprises a numerical control finish machining procedure of the explosion surface of the cylinder cover, a machining procedure of a cylinder cover inlet valve seat, an exhaust valve seat-conduit hole system and a fuel injector conduit hole system, and a machining procedure of a slender hole on the four peripheral surface of the cylinder cover and a cooling water inlet pipe hole;

the conventional cylinder cover machining process has the advantages that the variety of the designed cutters is large, the conventional machining steps are one cutter for machining, the machining efficiency is low, the product model of a cylinder cover machining line is low when the product model is changed, and the numerical control finish machining device and method for the explosion surface of the cylinder cover of the marine diesel engine are provided.

Disclosure of Invention

The invention aims to solve the problems and provide a numerical control finish machining device and method for the explosion surface of the marine diesel engine cylinder cover, which are simple in structure and reasonable in design.

The invention realizes the purpose through the following technical scheme:

a numerical control finish machining device for a cylinder cover explosion surface of a marine diesel engine comprises a machining table, a mechanical arm arranged on the machining table and a multi-adaptive tool magazine disc arranged outside the mechanical arm in a sliding mode, wherein the multi-adaptive tool magazine disc is arranged along a horizontal central axis in a driving and rotating mode and used for calling a tool for finish machining of the explosion surface of the cylinder cover;

the zero positioning table is arranged at the center of the machining table, is in driving rotation arrangement along the vertical middle axis of the zero positioning table and is used for performing zero positioning on the cylinder cover; and

the multiple adaptive clamps are arranged on the processing table in a surrounding mode along the outer side of the zero point positioning table, and the outer side face of the cylinder cover is circumferentially surrounded, clamped and fixed.

As a further optimization scheme of the invention, the multi-adaptive tool magazine disc comprises a base, a tool magazine and an electric rotating table, wherein the base is arranged outside the mechanical arm in a sliding mode, a bearing seat is arranged at one end, away from the mechanical arm, of the base, one end of the tool magazine is sleeved on the bearing seat and is in rotating fit with the base, and the electric rotating table is connected with one end, away from the base, of the tool magazine.

As a further optimization scheme of the invention, a plurality of unit tool rests are uniformly distributed on the outer circumference of the tool magazine, a linear motor is arranged at one end of the base extending into the tool magazine, a sliding seat is slidably matched on the outer portion of the linear motor, a driving motor is fixedly arranged on the outer portion of the sliding seat, a driving end of the driving motor is connected with a pneumatic claw disc, and a vertical central axis of the pneumatic claw disc is coincident with a vertical central axis of the unit tool rest positioned at the bottom end of the tool magazine.

As a further optimization scheme of the invention, one end of the base, which extends into the tool magazine, is provided with the shock absorption seats at two sides of the linear motor, the base is externally provided with the safety cover, and the bottom of the safety cover is provided with a through groove for the movable insertion of the unit tool rest.

As a further optimization scheme of the invention, the unit tool rest comprises a main shaft, a sliding sleeve and fixed claws, the sliding sleeve is movably inserted on the periphery of the tool magazine, the main shaft is movably sleeved on the sliding sleeve, the outer end part of the main shaft is provided with two fixed claws which are symmetrically arranged, and the external threads of the two fixed claws are matched with fastening nuts.

As a further optimization scheme of the invention, a connecting plate is fixedly arranged on the outer side wall of one end, located inside the tool magazine, of the sliding sleeve, and a return spring connected with the inner side wall of the tool magazine is arranged on one side of the connecting plate.

As a further optimization scheme of the invention, the periphery of the protective cover is provided with mounting grooves corresponding to the multiple-adaptive clamps, each mounting groove is provided with a positioning chute, each multiple-adaptive clamp comprises a rotating seat, a first cylinder, a clamp head, a turning rod, a U-shaped pressure head and a second cylinder, the rotating seat is movably arranged in the positioning chute, a piston rod of the first cylinder is fixedly inserted with the rotating seat, the clamp head is fixedly arranged at a piston rod end of the first cylinder, the turning rod is arranged in the mounting groove and is driven by a driving motor, the top end of the turning rod is contacted with the first cylinder, the second cylinder is arranged at the top end of the protective cover, and the piston rod end of the second cylinder is provided with the U-shaped pressure head contacted with a cylinder body of the first cylinder.

As a further optimization scheme of the invention, a dust absorption fan is arranged in the processing table, a guide plate is arranged at the top end of the processing table along the periphery of the zero point positioning table, and the guide plate is a hollow conical cover body.

The numerical control finish machining method for the explosion surface of the cylinder cover of the marine diesel engine comprises the following steps,

s1, adjusting the zero point positioning table to enable the center point to be aligned with the vertical middle axis of the multi-adaptive cutter storehouse disc, then preparing a crude product of the cylinder cover to be finely machined, placing the crude product on the zero point positioning table to enable the explosion surface of the crude product to face upwards, and fixing the position of the cylinder cover by using a multi-adaptive clamp;

s2, adjusting the multi-adaptive tool magazine disc to adapt to the height of the cylinder cover, checking the state of tools in the multi-adaptive tool magazine disc, then sequentially selecting tools for finish machining of the explosion surface of the cylinder cover by using the multi-adaptive tool magazine disc, sequentially finishing finish machining of the end surface and each outer circular surface of the explosion surface of the cylinder cover, cutting the ring groove of the outer circular surface, the inner spigot, the cambered surface and the hole end surface of the explosion surface of the finish machining, and finish machining of the ring groove and the oil injector hole at the bottom of the inner spigot;

and S3, releasing the fixed state of the multi-adaptive clamp, taking down the cylinder cover, and performing a subsequent surface treatment process to finish the finish machining of the explosion surface of the cylinder cover.

The invention has the beneficial effects that:

1. according to the invention, the multi-adaptive tool magazine disc can flexibly call the tools, the end face and each outer circular face of the cylinder cover explosion face are automatically finished by finish turning, the ring groove of the outer circular face, the inner spigot, the cambered surface and the hole end face of the explosion face are cut by finish turning, and the ring groove and the oil injector hole at the bottom of the inner spigot are finish turned, so that the tools are not required to be manually and sequentially replaced in the machining process of the cylinder cover explosion face, the positions of the tools in the multi-adaptive tool magazine disc are memorized by a computer, the multi-adaptive tool magazine disc is operated by the computer in a numerical control manner to call different tools to finish different machining processes, the automation degree is high, and the large-amplitude improvement of the machining efficiency of the cylinder cover is facilitated.

2. In the invention, when the multi-adaptive clamp is used, the clamping angle can be adjusted according to the positioning requirement of the cylinder cover, so that the clamping and fixing of the cylinder covers with different structural appearances can be realized, the application is more flexible, the universality is improved, and the equipment cost is reduced.

Drawings

FIG. 1 is a top view provided by the present invention;

FIG. 2 is a side view of a multi-adaptable tool magazine tray provided by the present invention;

FIG. 3 is a schematic view of the internal structure of the multi-adaptive tool magazine disk provided by the present invention;

FIG. 4 is a perspective view of a shield provided in accordance with the present invention;

FIG. 5 is a perspective view of a guide plate provided by the present invention;

in the figure: 1. a processing table; 2. a zero point positioning table; 3. a mechanical arm; 4. a multi-adaptive tool magazine; 41. a base; 42. a tool magazine; 43. an electric rotating table; 44. a unit tool holder; 441. a main shaft; 442. a sliding sleeve; 443. a fixed jaw; 444. fastening a nut; 445. a connecting plate; 446. a return spring; 45. a linear motor; 46. a slide base; 47. a drive motor; 48. a pneumatic claw disk; 49. a safety shield; 410. a bearing seat; 411. a shock absorbing seat; 5. a protective cover; 6. a guide plate; 7. mounting grooves; 8. positioning the chute; 9. a plurality of adaptive clamps; 91. a rotating seat; 92. a U-shaped pressure head; 93. a second cylinder; 94. a first cylinder; 95. a clamp head; 95. a direction-changing lever; 10. dust collection fan.

Detailed Description

The present application will now be described in further detail with reference to the drawings, it should be noted that the following detailed description is given for illustrative purposes only and is not to be construed as limiting the scope of the present application, as those skilled in the art will be able to make numerous insubstantial modifications and adaptations to the present application based on the above disclosure.

Example 1

As shown in fig. 1-4, a numerical control finish machining device for a cylinder cover explosion surface of a marine diesel engine comprises a machining table 1, a mechanical arm 3 arranged on the machining table 1, and a multi-adaptive tool magazine disk 4 arranged outside the mechanical arm 3 in a sliding manner, wherein the multi-adaptive tool magazine disk 4 is arranged in a driving and rotating manner along a horizontal central axis of the multi-adaptive tool magazine disk, and a tool for finish machining of the cylinder cover explosion surface is called;

the zero positioning table 2 is arranged at the center of the machining table 1, and the zero positioning table 2 is arranged along a vertical central axis in a driving and rotating manner and is used for performing zero positioning on a cylinder cover; and

and a plurality of adaptive clamps 9 which are arranged on the processing table 1 and surround the outer side of the zero point positioning table 2, and circumferentially surround, clamp and fix the outer side surface of the cylinder cover.

When the processing device is used, a cylinder cover to be processed is placed on a zero-point positioning table 2, the explosion surface of the cylinder cover is upward, in addition, the zero-point positioning table 2 is calibrated in advance, the central point of the zero-point positioning table is aligned to the vertical central axis of a multi-adaptive tool magazine disk 4, then, a plurality of multi-adaptive clamps 9 arranged along the outer side of the zero-point positioning table 2 in a surrounding manner are controlled to be started to clamp and fix the cylinder cover on the zero-point positioning table 2, a mechanical arm 3 drives the multi-adaptive tool magazine disk 4 to move downwards to adapt to the height of the cylinder cover, the multi-adaptive tool magazine disk 4 is arranged in a driving rotating manner along the horizontal central axis of the multi-adaptive tool magazine disk, at least 12 tools for finish machining of the cylinder cover are loaded in the multi-adaptive clamps, the tools can be flexibly called, the end surfaces and the outer circular grooves of the finish machining cylinder cover explosion surfaces, the inner stop ports, the cambered surfaces and the hole end surfaces of the finish machining inner stop ports, and the oil injector holes are sequentially finished machining, need not the manual work and change the cutter in proper order at this in-process, through the inside cutter position of 4 of many adaptations cutter storehouse dishes of computer memory, automatic control many adaptations cutter storehouse dish 4 rotates and calls different cutters in order to accomplish different course of working, and degree of automation is high, and efficiency promotes greatly, specifically as follows

Many adaptations tool magazine dish 4 comprises base 41, tool magazine 42 and electric rotary table 43, base 41 slides and locates the 3 outsides of arm, and base 41 keeps away from the one end of arm 3 and is equipped with bearing frame 410, tool magazine 42 one end cup joints on bearing frame 410, with the rotatory cooperation of base 41, electric rotary table 43 is connected with the one end that base 41 was kept away from to tool magazine 42, and electric rotary table 43 is current technology, but fixed angle rotates, and tool magazine 42 rather than fixed back mutually can realize that the fixed angle of tool magazine 42 rotates, conveniently controls the precision that each unit knife rest 44 on the tool magazine 42 rotates the precision.

A plurality of unit tool rests 44 are uniformly distributed on the outer circumference of the tool magazine 42, a linear motor 45 is arranged at one end of the base 41 extending into the tool magazine 42, and a slide seat 46 is slidably matched with the outside of the linear motor 45, a driving motor 47 is fixedly arranged on the outside of the slide seat 46, and the driving end of the driving motor 47 is connected with a pneumatic claw disc 48, the vertical central axis of the pneumatic claw disc 48 coincides with the vertical central axis of the unit tool post 44 positioned at the bottom end of the tool magazine 42, the linear motor 45 controls the sliding seat 46 to drive the driving motor 47 to move downwards to approach the unit tool post 44, meanwhile, after the pneumatic claw disk 48 connected with the driving end of the driving motor 47 contacts the unit tool post 44, and the unit tool post 44 is connected, at this time, the driving motor 47 can drive the unit tool post 44 at the bottom end of the tool magazine 42 to rotate together, and the unit tool post 44 is used for fixing various tools, so that the synchronous rotation process of the tools can be realized.

The base 41 stretches into the one end in the tool magazine 42 and is located the both sides of linear electric motor 45 and is equipped with shock attenuation seat 411, but shock attenuation vibration isolation, and the vibration of effective control linear electric motor 45 and driving motor 47 keeps the stable in structure of tool magazine 42, the outside of base 41 is equipped with safety guard 49, plays the installation guard action, avoids the unexpected dropping of cutter, and the bottom of safety guard 49 leaves the through groove that supplies unit knife rest 44 activity male, does not influence the activity of tool magazine 42 bottom unit knife rest 44.

The unit tool post 44 is composed of a main shaft 441, a sliding sleeve 442 and fixing claws 443, the sliding sleeve 442 is movably inserted in the periphery of the tool magazine 42, the main shaft 441 is movably sleeved on the sliding sleeve 442, two fixing claws 443 are symmetrically arranged at the outer end of the main shaft 441, fastening nuts 444 are matched with the outer threads of the two fixing claws 443, after a tool is fixed at the positions of the two fixing claws 443, a connecting plate 445 is fixedly arranged on the outer side wall of one end of the sliding sleeve 442 located in the tool magazine 42 through the fastening nuts 444, and a return spring 446 connected with the inner side wall of the tool magazine 42 is arranged on one side of the connecting plate 445.

In general, when the multi-adaptive tool magazine 4 needs to select tools according to the cylinder head machining process, the electric rotating table 43 controls the tool magazine 42 to rotate at a fixed angle with respect to the base 41, so that the unit tool post 44 where the target tool is located at the position right at the bottom of the tool magazine 42, then the linear motor 45 is started to drive the slide carriage 46 to slide downwards, so that the driving motor 47 outside the slide carriage is moved downwards together, until the pneumatic claw disk 48 at the driving end of the driving motor 47 contacts the spindle 441, the pneumatic claw disk 48 clamps and fixes the spindle 441, at this time, the linear motor 45 continues to push the slide carriage 46 to move downwards for a certain distance, the driving motor 47 is pushed to enable the tool mounted at the outer end of the spindle 441 to be exposed from the through slot at the bottom of the safety cover 49 after the spindle 441 connected with the pneumatic claw disk 48 and the tool magazine 42 slide relatively, and then the robot arm 3 controls the multi-adaptive tool magazine 4 to adjust to adapt to the machining position, then, the main shaft 441 and the cutter connected with the main shaft 441 are driven to rotate by the driving motor 47 to perform corresponding finish machining, when the cutter needs to be replaced, the linear motor 45 moves back to recover the main shaft 441 to the original position, the pneumatic claw disc 48 is separated from the connection with the main shaft 441, the steps are repeated after the linear motor 45 is reset, the required clamp is selected, manual operation and replacement are not needed in the whole process, computer numerical control operation can be performed, and the machining efficiency of the cylinder cover is greatly improved.

The outer side of the zero point positioning table 2 on the upper edge of the processing table 1 is provided with a protective cover 5, the processing process is started to strengthen the protective effect, can prevent the waste material from splashing, the periphery of the protective cover 5 is provided with mounting grooves 7 corresponding to a plurality of adaptive clamps 9, each mounting groove 7 is provided with a positioning chute 8, the multi-adaptive clamp 9 consists of a rotating seat 91, a first air cylinder 94, a clamp head 95, a turning rod 96, a U-shaped pressure head 92 and a second air cylinder 93, the rotating seat 91 is movably arranged in the positioning chute 8, a piston rod of the first cylinder 94 is fixedly inserted with the rotating seat 91, the clamp head 95 is fixedly arranged at the piston rod end of the first air cylinder 94, the direction changing rod 96 is arranged in the mounting groove 7 and driven by a motor, and the top end thereof is in contact with the first cylinder 94, the second cylinder 93 is provided at the top end of the protection cover 5, and the rod end of the second cylinder 93 is provided with a U-shaped ram 92 which contacts the body of the first cylinder 94.

When the multi-adaptive clamp 9 is used, the angle of clamping can be adjusted according to the requirement of cylinder cover positioning, the specific operation is that the second cylinder 93 is started to enable the U-shaped pressure head 92 connected with the piston rod end of the second cylinder to push the first cylinder 94 to move to a target position along the positioning chute 8, the second cylinder 93 resets, at the moment, the turning rod 96 is driven by the motor to swing towards the upper oblique direction, the first cylinder 94 is pushed to move downwards, in addition, the second cylinder 93 is pushed downwards to realize the upward movement of the first cylinder 94, after the angle is adjusted, the first cylinder 94 is started, the clamp head 95 at the front end of the second cylinder is pushed to realize the multi-angle clamping and fixing operation of the cylinder cover, the clamping and fixing of the cylinder covers with different structural shapes are facilitated, the application is more flexible, the universality is improved, and the equipment cost is reduced.

As shown in fig. 1 and 5, a dust suction fan 10 is arranged inside the processing table 1, a guide plate 6 is arranged on the top end of the processing table 1 along the periphery of the zero point positioning table 2, the guide plate 6 is a hollow conical cover body, waste materials generated by processing fall down from the guide plate 6 to be collected in a centralized manner under the suction of the dust suction fan 10, and the processing table 1 is kept clean and tidy and is convenient to clean.

The numerical control finish machining method for the explosion surface of the cylinder cover of the marine diesel engine comprises the following steps,

s1, adjusting the zero point positioning table 2 to enable the center point to be aligned with the vertical middle axis of the multi-adaptive cutter storehouse disk 4, then preparing a crude product of the cylinder cover to be finely machined, placing the crude product on the zero point positioning table 2 to enable the explosion surface of the crude product to be upward, and fixing the position of the cylinder cover by using the multi-adaptive clamp 9;

s2, adjusting the multi-adaptive cutter storehouse disk 4 to adapt to the height of the cylinder cover, checking the cutter state in the multi-adaptive cutter storehouse disk 4, then sequentially selecting cutters for finish machining of the explosion surface of the cylinder cover by utilizing the multi-adaptive cutter storehouse disk 4, sequentially finishing finish machining of the end surface and each outer circular surface of the explosion surface of the cylinder cover, cutting a ring groove of the outer circular surface, finish machining of an inner spigot, an arc surface and a hole end surface of the explosion surface, and finish machining of a ring groove and an oil injector hole at the bottom of the inner spigot;

and S3, releasing the fixed state of the multi-adaptive clamp 9, taking down the cylinder cover, and performing a subsequent surface treatment process to finish the finish machining of the explosion surface of the cylinder cover.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.