CN113927249B - High-efficiency three-dimensional composite processing device and method for V-shaped engine body of large marine diesel engine - Google Patents
High-efficiency three-dimensional composite processing device and method for V-shaped engine body of large marine diesel engine Download PDFInfo
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- CN113927249B CN113927249B CN202111220224.XA CN202111220224A CN113927249B CN 113927249 B CN113927249 B CN 113927249B CN 202111220224 A CN202111220224 A CN 202111220224A CN 113927249 B CN113927249 B CN 113927249B
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 239000011165 3D composite Substances 0.000 title claims abstract description 18
- 230000007246 mechanism Effects 0.000 claims abstract description 71
- 238000003754 machining Methods 0.000 claims abstract description 20
- 230000007306 turnover Effects 0.000 claims description 40
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 230000003044 adaptive effect Effects 0.000 claims description 5
- 230000007704 transition Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000003672 processing method Methods 0.000 abstract description 3
- 230000006978 adaptation Effects 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 13
- 229910000746 Structural steel Inorganic materials 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010230 functional analysis Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
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- 238000003892 spreading Methods 0.000 description 1
- 238000012916 structural analysis Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
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Abstract
The utility model provides a high-efficient three-dimensional combined machining device of large-scale marine diesel engine V-arrangement organism and method thereof, be fixed in the base on the bottom plate and layer board and base rotation are connected, V-arrangement organism is located the layer board, be equipped with the location clamping mechanism that is used for carrying out the clamp fixation to V-arrangement organism on the layer board, be equipped with the upper end on the bottom plate and be connected with the layer board adaptation and be used for carrying out the width adjustable supporting mechanism who supports layer board and V-arrangement organism, be equipped with the tilting mechanism who is connected with the layer board on the bottom plate, and the layer board realizes the adjustment to the V-arrangement organism machined surface that is fixed in on the layer board under tilting mechanism's drive. The invention thoroughly improves the situations of low production efficiency and unstable product processing precision caused by the current processing method, realizes the efficient three-dimensional composite processing of large complex box parts by using matched tools, can realize the accurate and stable space dimensions of key elements of the V-shaped machine body, improves the product processing quality, and has wider application fields and better popularization value.
Description
Technical Field
The invention belongs to the technical field of diesel engine body machining, and particularly relates to a high-efficiency three-dimensional composite machining device and method for a V-shaped engine body of a large marine diesel engine.
Background
The engine body is a large-sized box-type part with the most complex size and structure in marine diesel engine parts, and is an assembly matrix of all parts and accessories. From structural and functional analysis, the main processing difficulty of the machine body is represented by the dimensional tolerance and form and position tolerance of three large pore systems (namely a crankshaft hole, a camshaft hole and a cylinder hole), and serious quality accidents such as shaft locking, cylinder pulling and the like are very likely to occur due to slight deviation; for a long time, the processing of the V-shaped engine body cylinder hole adopts a traditional process method, the angle of the cylinder hole is adjusted by using a tool angle iron (the cylinder hole is usually adjusted to be in a vertical state), the process device (the tool angle iron) is original and heavy, the alignment of a process reference is difficult, the processing precision of the cylinder hole is mainly ensured by virtue of the alignment precision of the engine body and the precision of a machine tool, in addition, the problems of impacting the quality of products, such as collision, deformation and the like, are easily caused in the process of processing, the processing time of the machine tool is occupied, the productivity and the efficiency of the production line of the engine body are seriously restricted, and therefore, the improvement is necessary for aiming at the problems.
Disclosure of Invention
The invention solves the technical problems that: the utility model provides a high-efficient three-dimensional combined machining device of large-scale marine diesel engine V-arrangement organism and method thereof, through with rotating the layer board of installing on the base, be used for carrying out the location clamping mechanism, width adjustable supporting mechanism and the tilting mechanism integration and the bottom plate that press from both sides tight to V-arrangement organism on the layer board, realize the adjustment to the horizontal position under the reliable support prerequisite of V-arrangement organism, the tilting position after forward and reverse rotation, thoroughly improved the production efficiency who leads to of current processing method low, the unstable situation of product machining precision, the high-efficient three-dimensional combined machining of large-scale complicated box class part has been realized through the use of supporting frock, simultaneously can realize the accuracy of V-arrangement organism key element space size, stability, improve product processingquality, have wider application and better spreading value.
The invention adopts the technical scheme that: the utility model provides a high-efficient three-dimensional combined machining device of large-scale marine diesel engine V-arrangement organism, includes the bottom plate layer board and is located the base of layer board bottom, the base is fixed in on the bottom plate and the layer board is connected with the base rotation, V-arrangement organism is located on the layer board, be equipped with on the layer board and be used for carrying out the fixed location clamping mechanism that presss from both sides tightly to the V-arrangement organism, be equipped with upper end and layer board adaptation connection and be used for carrying out the adjustable supporting mechanism of width that supports layer board and V-arrangement organism, be equipped with the tilting mechanism who is connected with the layer board on the bottom plate, and the layer board realizes the adjustment to the V-arrangement organism machined surface that is fixed in on the layer board under tilting mechanism's drive.
The width-adjustable supporting mechanism comprises a left support, a right support and a horizontal oil cylinder, wherein the left support and the right support are respectively positioned at the left side and the right side of the supporting plate, the lower ends of the left support and the right support are respectively connected with guide rails which are fixed at the two sides of the bottom plate in an adaptive manner, the horizontal oil cylinder is fixed on the bottom plate at the inner end of the guide rails, the lower ends of the left support and the right support are respectively fixedly connected with the end parts of piston rods of the horizontal oil cylinders at the same side, and the distance between the left support and the right support is adjusted through the two horizontal oil cylinders so that the two sides of the supporting plate are adapted to notches on the inner side walls at the upper ends of the left support and the right support, and the support of the left support and the right support to the supporting plate is completed.
Further, the left support and the right support which are identical in shape are symmetrically arranged on the bottom plate, the left support and the right support are composed of vertical sections at the upper end and the lower end and inclined sections which are connected with the vertical sections at the upper end and the lower end into a whole, bosses positioned on the transitional connection positions of the vertical sections at the upper end and the inclined sections are arranged on the inner side walls of the left support and the right support, notches for supporting the supporting plates are formed on the bosses and the inner walls of the vertical sections at the upper end of the left support, the upper plane of the vertical section at the upper end of the left support is an inclined plane parallel to the inclined plane at the upper end at the opposite side of the V-shaped machine body, and the upper plane of the vertical section at the upper end of the right support is an inclined plane parallel to the inclined plane at the upper end at the opposite side of the V-shaped machine body.
Further, the positioning and clamping mechanism comprises a vertical plate, fixing blocks and hand wheel bolts, wherein the vertical plates positioned on two sides of the V-shaped machine body are fixed on the supporting plate, the vertical plate is fixedly connected with the fixing blocks on the inner sides of the vertical plate through bolts, through holes in the vertical plate correspond to and are communicated with mounting holes in the fixing blocks, the hand wheel bolts penetrate through the through holes in the vertical plate and are fixedly connected with clamping blocks in the mounting holes through threads, and the clamping blocks are stretched out or retracted into the mounting holes through rotation of the hand wheel bolts to clamp or loosen the V-shaped machine body.
Further, the turnover mechanism comprises a plurality of groups of turnover assemblies, the turnover assemblies are turnover oil cylinders with two lower ends hinged to the bottom plate, the end parts of piston rods at the upper ends of the two turnover oil cylinders are respectively hinged to two sides of the supporting plate, and the adjustment of the inclination or horizontal position of the supporting plate is realized by controlling the turnover oil cylinders at the same side.
Further, the bearing seat is fixed on the upper end face of the base, the upper end of the bearing seat is positioned in the avoidance groove on the bottom surface of the middle of the supporting plate, the supporting plate is fixedly provided with a rotating shaft which is rotationally connected with the bearing seat, and the supporting plate is driven by the turnover mechanism to turn clockwise or anticlockwise by taking the axis of the rotating shaft as the center.
Further, when the two side surfaces of the upper plane of the base are inclined planes I which are parallel to the inclined planes of the same side of the upper end of the V-shaped machine body respectively when the supporting plates are positioned at the horizontal position, the abrasion-resistant cushion blocks which are positioned on the same plane as the inclined planes I are embedded in the inclined planes I, and the turnover mechanism drives the supporting plates to turn clockwise or anticlockwise until the supporting plates are abutted to the inclined planes I on the left side or the inclined planes I on the right side of the base, so that the adjustment of the right side inclined planes or the left side inclined planes of the upper end of the V-shaped machine body are positioned at the horizontal position is realized.
A method for a V-shaped engine body high-efficiency three-dimensional composite processing device of a large marine diesel engine comprises the following steps:
1) Firstly, starting a turnover oil cylinder in a turnover mechanism to adjust a supporting plate to a horizontal position, and then starting a horizontal oil cylinder in a width-adjustable supporting mechanism to enable the left support and the right support to be pulled to move towards each other to enable two sides of the supporting plate to be respectively matched with notches on inner side walls at the upper ends of the left support and the right support, so that the supporting plate is stably supported by the left support and the right support;
2) Lifting the V-shaped machine body with the top surface upwards by the crown block, placing the V-shaped machine body on the supporting plate, aligning and leveling the V-shaped machine body to a processing state, adjusting hand wheel bolts in positioning clamping mechanisms at the left side and the right side of the V-shaped machine body, enabling clamping blocks connected with the hand wheel bolts to clamp the V-shaped machine body, and after the V-shaped machine body is clamped and fixed by the positioning clamping mechanisms, providing a condition capable of processing the top plane of the V-shaped machine body;
3) After the horizontal station processing elements of the V-shaped machine body are completed, a horizontal oil cylinder is started to push a left support and a right support outwards to enable the left support and the right support to move outwards, a turning oil cylinder at the left side in a turning mechanism is started to enable a piston rod of the turning oil cylinder at the right side in the turning mechanism to extend out, the piston rod of the turning oil cylinder at the right side in the turning mechanism is retracted, so that a supporting plate is driven to turn over until the bottom surface of the supporting plate contacts with an inclined surface I at the right side of a base, then the horizontal oil cylinder at the opposite side of the inclined surface I at the right side of the base is started, the inclined surface at the upper end of the left support is pulled to contact with the bottom surface at the left side of the supporting plate, and therefore the bottom surface of the supporting plate is supported, and the V-shaped machine body A is provided with cylinder hole surface and cylinder hole processing conditions;
4) After finishing processing the cylinder hole surface and the cylinder hole of the V-shaped machine body A, starting a left horizontal cylinder to push out a left support outwards, starting a piston rod of a right turning cylinder in a turning mechanism to extend, retracting the piston rod of the left turning cylinder, driving a supporting plate to turn over until the bottom surface of the supporting plate contacts with an inclined surface I on the left side of a base, starting a horizontal cylinder on the opposite side of the inclined surface I on the left side of the base, and inwards pulling a right support to enable the inclined surface at the upper end to contact with the bottom surface on the right side of the supporting plate, so as to prop up the bottom surface of the supporting plate and enable the bottom surface to have the processing condition of the cylinder hole surface and the cylinder hole of the V-shaped machine body B;
5) After the elements of the V-shaped machine body are machined, a piston rod of the horizontal oil cylinder stretches to push the corresponding left support and right support outwards, the overturning oil cylinder readjusts the supporting plate to the horizontal position of the V-shaped machine body, and after the horizontal oil cylinder pulls the corresponding left support and right support to lift the supporting plate and support stably, the hand wheel bolts on the left side and the right side of the V-shaped machine body are rotated, so that the clamping blocks loosen the V-shaped machine body, the machined V-shaped machine body is dismounted, and the machining of the V-shaped machine body is completed.
Compared with the prior art, the invention has the advantages that:
1. According to the technical scheme, the supporting plate rotatably arranged on the base, the positioning and clamping mechanism for clamping the V-shaped machine body on the supporting plate, the width-adjustable supporting mechanism and the turnover mechanism are integrated with the base plate, so that the adjustment of the horizontal position and the inclined position after forward and reverse rotation on the premise of reliably supporting the V-shaped machine body is realized, and the situations of low production efficiency and unstable product machining precision caused by the current machining method are thoroughly improved;
2. According to the technical scheme, on the premise of improving the dimensional accuracy of the space hole system shape and position of the V-shaped machine body, the auxiliary procedure content in the processing process of the V-shaped machine body is greatly reduced, the lifting and overturning times of the V-shaped machine body are reduced, and the risks of quality problems such as collision and deformation of the V-shaped machine body are reduced;
3. the technical scheme can unify the reference and concentrate the working procedures to a large extent, and has good process stability; meanwhile, the processing capacity of equipment can be better exerted, the labor intensity of workers is reduced, and the production efficiency is obviously improved;
4. Compared with the traditional V-shaped machine body machining mode, the machine body high-efficiency and three-dimensional composite machining mode of 'one-time clamping and multi-surface machining' is realized by changing the machine body clamping mode, and the problems of low machining efficiency and unstable dimensional accuracy of key elements of a large V-shaped machine body are solved;
5. According to the technical scheme, the two side faces of the base, the upper end faces of the left support and the right support are processed into inclined faces parallel to the same side inclination of the V-shaped machine body, and the inclined faces are used for supporting the V-shaped machine body after being overturned, so that the V-shaped machine body can work cooperatively under different stations, and the safe and reliable processing process is ensured;
6. according to the technical scheme, the high-efficiency three-dimensional composite processing of large complex box parts is realized through the use of the matched tool, meanwhile, the accuracy and stability of the space dimension of key elements of the V-shaped machine body can be realized, the processing quality of products is improved, and the V-shaped machine body has wider application fields and better popularization value.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a left side view of the present invention;
FIG. 3 is an enlarged schematic view of a portion of FIG. 1 at A;
FIG. 4 is a schematic view showing the position of the V-shaped body A row cylinder hole surface and cylinder hole after clockwise rotation;
Fig. 5 is a schematic view showing a position state of the V-shaped body B-row cylinder bore surface and cylinder bore when the V-shaped body B-row cylinder bore surface is machined after counterclockwise rotation.
Detailed Description
An embodiment of the present invention will now be described, with reference to fig. 1-5, so that the technical solutions will be clearly and fully described, it being apparent that the described embodiments are only some, but not all, embodiments of the present invention.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as limiting the present invention.
The high-efficiency three-dimensional composite processing device of the V-shaped engine body of the large marine diesel engine is shown in fig. 1-2, and comprises a bottom plate 1, a supporting plate 2 and a base 3 positioned at the bottom of the supporting plate 2, wherein the base 3 is fixed on the bottom plate 1, the supporting plate 2 is rotationally connected with the base 3, the V-shaped engine body 4 is positioned on the supporting plate 2, a positioning and clamping mechanism used for clamping and fixing the V-shaped engine body 4 is arranged on the supporting plate 2, the bottom plate 1 is provided with a width-adjustable supporting mechanism, the upper end of the supporting mechanism is connected with the supporting plate 2 in an adaptive manner, the width-adjustable supporting mechanism is used for supporting the supporting plate 2 and the V-shaped engine body 4, the turnover mechanism is connected with the supporting plate 2 is arranged on the bottom plate 1, and the supporting plate 2 is driven by the turnover mechanism to adjust the processing surface of the V-shaped engine body 4 fixed on the supporting plate 2; in the structure, the horizontal position and the inclined position after forward and reverse rotation of the V-shaped body 4 are adjusted on the premise of reliably supporting the V-shaped body 4 by integrating the supporting plate 2 rotatably arranged on the base 3, the positioning and clamping mechanism for clamping the V-shaped body 4 on the supporting plate 2, the width-adjustable supporting mechanism and the turnover mechanism on the bottom plate 1, so that the problems of low production efficiency and unstable product machining precision caused by the current machining method are thoroughly improved; on the premise of improving the dimensional accuracy of the space hole system of the V-shaped machine body 4, the auxiliary procedure content in the processing process of the V-shaped machine body 4 is greatly reduced, the lifting and overturning times of the V-shaped machine body 4 are reduced, and the risks of quality problems such as collision and deformation of the V-shaped machine body 4 are reduced;
The specific structure of the width-adjustable supporting mechanism is as follows: the width-adjustable supporting mechanism comprises a left support 5, a right support 6 and a horizontal oil cylinder 7, wherein the left support 5 and the right support 6 are respectively positioned at the left side and the right side of the supporting plate 2, the lower ends of the left support 5 and the right support 6 are respectively connected with guide rails 8 fixed at the two sides of the bottom plate 1 in an adaptive manner, the horizontal oil cylinder 7 is fixed on the bottom plate 1 at the inner end of the guide rails 8, the lower ends of the left support 5 and the right support 6 are respectively fixedly connected with the end parts of piston rods of the horizontal oil cylinders 7 at the same side, and the distance between the left support 5 and the right support 6 is adjusted through the two horizontal oil cylinders 7 so that the two sides of the supporting plate 2 are respectively matched with notches on the inner side walls at the upper ends of the left support 5 and the right support 6, and the supporting of the left support 5 and the right support 6 to the supporting plate 2 are completed; specifically, the shape is the same left side supports 5 and right branch supports 6 symmetry sets up on bottom plate 1, left side supports 5 and right branch supports 6 by the vertical section at upper and lower both ends and with the vertical section of upper and lower both ends connect the slope section as an organic whole and constitute, be equipped with the boss that is located the vertical section of upper end and slope section transitional coupling position on the left side supports 5 and the 6 inside wall of right branch supports, the boss forms the breach that is used for supporting layer board 2 with the inner wall of the vertical section of left side support 5 and the 6 upper ends of right branch supports, the upper plane of the vertical section of left side support 5 is the inclined plane parallel with the inclined plane of the opposite side upper end of V-arrangement organism 4, the upper plane of the vertical section of 6 upper ends of right branch supports the inclined plane parallel with the opposite side upper end inclined plane of V-arrangement organism 4.
As shown in fig. 3, the specific structure of the positioning and clamping mechanism is as follows: the positioning and clamping mechanism comprises a vertical plate 9, a fixed block 10 and a hand wheel bolt 11, wherein the vertical plate 9 positioned on two sides of the V-shaped machine body 4 is fixed on the supporting plate 2, the vertical plate 9 is fixedly connected with the fixed block 10 on the inner side of the vertical plate through bolts, through holes in the vertical plate 9 correspond to and are communicated with mounting holes in the fixed block 10, the hand wheel bolt 11 penetrates through the through holes in the vertical plate 9 to be fixedly connected with clamping blocks 12 in the mounting holes through threads, and the clamping blocks 12 stretch out of or retract into the mounting holes through rotation of the hand wheel bolt 11 to clamp or loosen the V-shaped machine body 4.
The specific structure of the turnover mechanism is as follows: the turnover mechanism comprises a plurality of groups of turnover assemblies, wherein the turnover assemblies are turnover oil cylinders 13 with the lower ends hinged to the bottom plate 1, the piston rod ends of the upper ends of the two turnover oil cylinders 13 are respectively hinged to two sides of the supporting plate 2, and the turnover oil cylinders 13 on the same side are controlled to realize the adjustment of the inclination or horizontal position of the supporting plate 2.
The rotating connection structure of the supporting plate 2 and the base 3 is as follows: the upper end face of the base 3 is fixedly provided with a bearing seat 14, the upper end of the bearing seat 14 is positioned in an avoidance groove on the bottom surface of the middle part of the supporting plate 2, a rotating shaft 15 which is rotationally connected with the bearing seat 14 is fixedly arranged on the supporting plate 2, and the supporting plate 2 is driven by a turnover mechanism to turn clockwise or anticlockwise by taking the axis of the rotating shaft 15 as the center; specifically, when the two side surfaces of the upper plane of the base 3 are inclined planes I16 parallel to the inclined planes of the same side of the upper end of the V-shaped machine body 4 respectively when the supporting plate 2 is positioned at the horizontal position, the inclined planes I16 are internally embedded with wear-resistant cushion blocks 17 positioned on the same plane with the inclined planes I16, and when the supporting plate 2 is driven to be clockwise or anticlockwise turned by the turning mechanism to the state that the supporting plate 2 is propped against the left inclined plane I16 or the right inclined plane I16 of the base 3, the adjustment that the upper end of the V-shaped machine body 4 is inclined horizontally or inclined horizontally is realized.
A method for a V-shaped engine body high-efficiency three-dimensional composite processing device of a large marine diesel engine comprises the following steps:
1) Firstly, a turnover oil cylinder 13 in a turnover mechanism is started to adjust the supporting plate 2 to a horizontal position, and then a horizontal oil cylinder 7 in a width-adjustable supporting mechanism is started to enable the left support 5 and the right support 6 to be pulled to move towards each other to enable two sides of the supporting plate 2 to be respectively matched with notches on inner side walls at the upper ends of the left support 5 and the right support 6, so that the supporting plate 2 is stably supported by the left support 5 and the right support 6;
2) The crown block lifts the V-shaped machine body 4 with the top surface facing upwards and places the V-shaped machine body 4 on the supporting plate 2, aligns and levels the V-shaped machine body 4 to a processing state, adjusts hand wheel bolts 11 in positioning and clamping mechanisms on the left side and the right side of the V-shaped machine body 4, enables clamping blocks 12 connected with the hand wheel bolts 11 to clamp the V-shaped machine body 4, and has the condition of processing the top plane of the V-shaped machine body 4 after the V-shaped machine body 4 is clamped and fixed by the positioning and clamping mechanisms;
3) After finishing the horizontal station processing elements of the V-shaped machine body 4, as shown in fig. 4, starting a horizontal oil cylinder 7 to push a left support 5 and a right support 6 outwards to move outwards, starting a left turning oil cylinder 13 in a turning mechanism to extend a piston rod of the turning oil cylinder 13 in the turning mechanism, retracting the piston rod of the turning oil cylinder 13 in the right side in the turning mechanism, driving a supporting plate 2 to turn until the bottom surface of the supporting plate 2 contacts with an inclined surface I16 on the right side of a base 3, starting a horizontal oil cylinder 7 on the opposite side of the inclined surface I16 on the right side of the base 3, and pulling an upper inclined surface of the left support 5 to contact with the bottom surface on the left side of the supporting plate 2 so as to prop up the bottom surface of the supporting plate 2 to enable the bottom surface of the supporting plate 2 to have the column cylinder hole surface and cylinder hole processing conditions of the V-shaped machine body 4A; in the processing process, the V-shaped machine body 4 which is turned by-26 degrees is supported by the inclined plane I16 on the right side of the base 3 and the inclined plane at the upper end of the left support 5, so that the V-shaped machine body and the V-shaped machine body work cooperatively at different stations, and the safety and the reliability of the processing process are ensured;
4) After the processing of the cylinder hole surface and the cylinder hole of the V-shaped machine body 4A is finished, as shown in fig. 5, starting a left horizontal cylinder 7 to push out a left support 5 outwards, starting a piston rod of a right rollover cylinder 13 in a turnover mechanism to extend, retracting the piston rod of the left rollover cylinder 13, driving a pallet 2 to overturn until the bottom surface of the pallet 2 contacts with an inclined surface I16 on the left side of a base 3, starting the horizontal cylinder 7 on the opposite side of the inclined surface I16 on the left side of the base 3, and pulling an upper end inclined surface of the right support 6 inwards to contact with the bottom surface on the right side of the pallet 2 so as to prop up the bottom surface of the pallet 2 to enable the bottom surface to have the processing condition of the cylinder hole surface and the cylinder hole of the V-shaped machine body 4B; in the processing process, the V-shaped machine body 4 which is turned over by 26 degrees is supported by the inclined plane I16 on the left side of the base 3 and the inclined plane at the upper end of the right support 6, so that the V-shaped machine body and the V-shaped machine body work cooperatively at different stations, and the safety and the reliability of the processing process are ensured;
5) After the above elements of the V-shaped machine body 4 are machined, the piston rods of the horizontal oil cylinders 7 extend to push the corresponding left support 5 and right support 6 outwards, the overturning oil cylinders 13 readjust the supporting plate 2 to the horizontal position of the V-shaped machine body 4, and after the horizontal oil cylinders 7 pull the corresponding left support 5 and right support 6 to lift up the supporting plate 2 and support the supporting plate firmly, the hand wheel bolts 11 on the left side and the right side of the V-shaped machine body 4 are rotated, so that the clamping blocks 12 loosen the V-shaped machine body 4, the machined V-shaped machine body 4 is dismounted, and the machining of the V-shaped machine body 4 is completed.
The processing method can be used for realizing unified reference and concentrated working procedures to a large extent, and has good process stability; meanwhile, the processing capacity of equipment can be better exerted, the labor intensity of workers is reduced, and the production efficiency is obviously improved;
compared with the traditional processing mode of the V-shaped machine body 4, the technical scheme realizes a machine body efficient and three-dimensional composite processing mode of 'one-time clamping and multi-surface processing' by changing the machine body clamping mode, and solves the problems of low processing efficiency and unstable dimensional accuracy of key elements of the large-sized V-shaped machine body 4;
According to the technical scheme, the high-efficiency three-dimensional composite processing of large complex box parts is realized through the use of the matched tool, meanwhile, the accuracy and stability of the space dimension of key elements of the V-shaped machine body 4 can be realized, the processing quality of products is improved, and the V-shaped machine body has wider application fields and better popularization value.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (5)
1. High-efficient three-dimensional combined machining device of large-scale marine diesel engine V-arrangement organism, its characterized in that: the device comprises a bottom plate (1), a supporting plate (2) and a base (3) positioned at the bottom of the supporting plate (2), wherein the base (3) is fixed on the bottom plate (1) and the supporting plate (2) is rotationally connected with the base (3), a V-shaped machine body (4) is positioned on the supporting plate (2), a positioning and clamping mechanism used for clamping and fixing the V-shaped machine body (4) is arranged on the supporting plate (2), the bottom plate (1) is provided with a width-adjustable supporting mechanism, the upper end of the width-adjustable supporting mechanism is connected with the supporting plate (2) in an adaptive manner, the width-adjustable supporting mechanism is used for supporting the supporting plate (2) and the V-shaped machine body (4), the turnover mechanism is connected with the supporting plate (2), and the supporting plate (2) is driven by the turnover mechanism to adjust the machining surface of the V-shaped machine body (4) fixed on the supporting plate (2).
The width-adjustable supporting mechanism comprises a left support (5), a right support (6) and a horizontal oil cylinder (7), wherein the left support (5) and the right support (6) are respectively positioned at the left side and the right side of the supporting plate (2), the lower ends of the left support (5) and the right support (6) are respectively connected with guide rails (8) fixed at the two sides of the bottom plate (1) in an adaptive manner, the horizontal oil cylinder (7) is fixed on the bottom plate (1) at the inner end of the guide rails (8), the lower ends of the left support (5) and the right support (6) are respectively fixedly connected with the end parts of piston rods of the horizontal oil cylinders (7) at the same side, and the distance between the left support (5) and the right support (6) is adjusted through the two horizontal oil cylinders (7), so that the two sides of the supporting plate (2) are adapted to notches on the inner side walls at the upper ends of the left support (5) and the right support (6), and the support of the left support (5) and the right support (6) on the supporting plate (2) is completed;
the left support (5) and the right support (6) with the same shape are symmetrically arranged on the bottom plate (1), the left support (5) and the right support (6) are composed of vertical sections at the upper end and the lower end and inclined sections which are used for connecting the vertical sections at the upper end and the lower end into a whole, bosses positioned at the transition connection positions of the vertical sections at the upper end and the inclined sections are arranged on the inner side walls of the left support (5) and the right support (6), notches for supporting the supporting plate (2) are formed on the bosses and the inner walls of the vertical sections at the upper end of the left support (5) and the right support (6), the upper plane of the vertical section at the upper end of the left support (5) is an inclined plane parallel to the inclined plane at the upper end at the opposite side of the V-shaped machine body (4), and the upper plane of the vertical section at the upper end of the right support (6) is an inclined plane parallel to the inclined plane at the upper end at the opposite side of the V-shaped machine body (4).
The turnover mechanism comprises a plurality of groups of turnover assemblies, wherein the turnover assemblies are turnover oil cylinders (13) with two lower ends hinged to the bottom plate (1), the end parts of piston rods at the upper ends of the two turnover oil cylinders (13) are respectively hinged to two sides of the supporting plate (2), and the inclination or horizontal position of the supporting plate (2) is adjusted by controlling the turnover oil cylinders (13) at the same side.
2. The high-efficiency three-dimensional composite processing device for a V-shaped engine body of a large marine diesel engine according to claim 1, wherein the high-efficiency three-dimensional composite processing device is characterized in that: the positioning and clamping mechanism comprises a vertical plate (9), a fixed block (10) and a hand wheel bolt (11), wherein the vertical plate (9) positioned on two sides of the V-shaped machine body (4) is fixed on the supporting plate (2), the vertical plate (9) is fixedly connected with the fixed block (10) on the inner side of the vertical plate through bolts, a through hole on the vertical plate (9) corresponds to and is communicated with a mounting hole on the fixed block (10), the hand wheel bolt (11) penetrates through the through hole on the vertical plate (9) and is fixedly connected with a clamping block (12) in the mounting hole through threads, and the clamping block (12) stretches out or retracts into the mounting hole through rotating the hand wheel bolt (11) to clamp or loosen the V-shaped machine body (4).
3. The high-efficiency three-dimensional composite processing device for the V-shaped engine body of the large marine diesel engine according to claim 2, wherein the high-efficiency three-dimensional composite processing device is characterized in that: the bearing support is characterized in that a bearing seat (14) is fixed on the upper end face of the base (3), the upper end of the bearing seat (14) is located in an avoidance groove on the bottom face of the middle of the supporting plate (2), a rotating shaft (15) which is rotationally connected with the bearing seat (14) is fixed on the supporting plate (2), and the supporting plate (2) is driven by a turnover mechanism to turn clockwise or anticlockwise by taking the axis of the rotating shaft (15) as the center.
4. The high-efficiency three-dimensional composite processing device for a V-shaped engine body of a large marine diesel engine according to claim 3, wherein the high-efficiency three-dimensional composite processing device is characterized in that: the two sides of the upper plane of the base (3) are inclined planes I (16) parallel to the inclined planes of the same side of the upper end of the V-shaped machine body (4) when the supporting plate (2) is positioned at the horizontal position, wear-resistant cushion blocks (17) positioned on the same plane as the inclined planes I (16) are embedded in the inclined planes I (16), and the turnover mechanism drives the supporting plate (2) to turn clockwise or anticlockwise until the supporting plate (2) abuts against the left inclined plane I (16) or the right inclined plane I (16) of the base (3), so that the right inclined plane or the left inclined plane of the upper end of the V-shaped machine body (4) is positioned at the horizontal position.
5. A method for adopting the high-efficiency three-dimensional composite processing device of the V-shaped engine body of the large marine diesel engine as set forth in any one of claims 1 to 4, which is characterized by comprising the following steps:
1) Firstly, a turnover oil cylinder (13) in a turnover mechanism is started to adjust a supporting plate (2) to a horizontal position, and then a horizontal oil cylinder (7) in a width-adjustable supporting mechanism is started to enable the left support (5) and the right support (6) to be pulled to move towards each other to enable two sides of the supporting plate (2) to be respectively matched with notches on inner side walls of the upper ends of the left support (5) and the right support (6), so that the supporting plate (2) is stably supported by the left support (5) and the right support (6);
2) Lifting and placing the V-shaped machine body (4) with the top surface upwards on the supporting plate (2) by the crown block, aligning and leveling the V-shaped machine body (4) to a processing state, adjusting hand wheel bolts (11) in positioning and clamping mechanisms at the left side and the right side of the V-shaped machine body (4), enabling clamping blocks (12) connected with the hand wheel bolts (11) to clamp the V-shaped machine body (4), and after the V-shaped machine body (4) is clamped and fixed by the positioning and clamping mechanisms, providing a condition of processing the top plane of the V-shaped machine body (4);
3) After the horizontal station processing elements of the V-shaped machine body (4) are completed, a horizontal oil cylinder (7) is started to push a left support (5) and a right support (6) outwards to move outwards, a left overturning oil cylinder (13) in the overturning mechanism is started to enable a piston rod of the left overturning oil cylinder (13) in the overturning mechanism to extend, and a piston rod of the right overturning oil cylinder (13) in the overturning mechanism is retracted, so that the supporting plate (2) is driven to overturn until the bottom surface of the supporting plate (2) contacts with an inclined surface I (16) on the right side of the base (3), then the horizontal oil cylinder (7) on the opposite side of the inclined surface I (16) on the right side of the base (3) is started, and the inclined surface at the upper end of the left support (5) is pulled to contact with the bottom surface on the left side of the supporting plate (2), so that the bottom surface of the supporting plate (2) is supported, and the bottom surface of the supporting plate is provided with column A cylinder hole surface and cylinder hole processing conditions of the V-shaped machine body (4);
4) After finishing processing the cylinder hole surface and the cylinder hole of the row A of the V-shaped machine body (4), starting a left horizontal cylinder (7) to push out a left support (5) outwards, starting a piston rod of a right rollover cylinder (13) in a turnover mechanism to extend, retracting the piston rod of the left rollover cylinder (13), driving a supporting plate (2) to overturn until the bottom surface of the supporting plate (2) contacts with a bevel I (16) on the left side of a base (3), then starting the horizontal cylinder (7) on the opposite side of the bevel I (16) on the left side of the base (3), and inwards pulling a right support (6) to enable the bevel at the upper end to contact with the bottom surface on the right side of the supporting plate (2), so as to prop up the bottom surface of the supporting plate (2) and enable the bottom surface of the supporting plate to be provided with the cylinder hole surface and the cylinder hole processing conditions of the row B of the V-shaped machine body (4);
5) After the above elements of the V-shaped machine body (4) are machined, a piston rod of the horizontal oil cylinder (7) stretches to push the corresponding left support (5) and right support (6) outwards, the overturning oil cylinder (13) readjusts the supporting plate (2) to the horizontal position of the V-shaped machine body (4), and after the horizontal oil cylinder (7) pulls the corresponding left support (5) and right support (6) to lift up the supporting plate (2) and support stably, the hand wheel bolts (11) on the left side and the right side of the V-shaped machine body (4) are rotated, so that the clamping blocks (12) loosen the V-shaped machine body (4), the machined V-shaped machine body (4) is dismounted, and the machining of the V-shaped machine body (4) is completed.
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