CN116276087A - Process machine tool for large-stroke process combined machining - Google Patents
Process machine tool for large-stroke process combined machining Download PDFInfo
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- CN116276087A CN116276087A CN202310220938.3A CN202310220938A CN116276087A CN 116276087 A CN116276087 A CN 116276087A CN 202310220938 A CN202310220938 A CN 202310220938A CN 116276087 A CN116276087 A CN 116276087A
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- 238000000034 method Methods 0.000 title claims abstract description 157
- 230000008569 process Effects 0.000 title claims abstract description 134
- 238000003754 machining Methods 0.000 title claims abstract description 65
- 238000012545 processing Methods 0.000 claims abstract description 54
- 239000002131 composite material Substances 0.000 claims abstract description 43
- 150000001875 compounds Chemical class 0.000 claims abstract description 36
- 238000005553 drilling Methods 0.000 claims abstract description 11
- 238000003801 milling Methods 0.000 claims abstract description 11
- 238000010079 rubber tapping Methods 0.000 claims abstract description 11
- 238000009434 installation Methods 0.000 claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims description 38
- 230000002441 reversible effect Effects 0.000 claims description 35
- 238000013461 design Methods 0.000 claims description 18
- 230000001681 protective effect Effects 0.000 claims description 15
- 238000005520 cutting process Methods 0.000 claims description 8
- 239000002173 cutting fluid Substances 0.000 claims description 7
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- 230000033228 biological regulation Effects 0.000 claims description 6
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- 229910001018 Cast iron Inorganic materials 0.000 description 6
- 230000032683 aging Effects 0.000 description 6
- 238000005266 casting Methods 0.000 description 6
- 238000000227 grinding Methods 0.000 description 6
- 230000008030 elimination Effects 0.000 description 4
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- 229910000831 Steel Inorganic materials 0.000 description 3
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- 238000004513 sizing Methods 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
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- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/02—Machine tools for performing different machining operations
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Abstract
The invention is applicable to the technical field of machine tools, and provides a process machine tool for compound machining in a large-stroke working procedure, wherein a track beam and a clamp system bear the positioning and clamping functions of a workpiece; the horizontal process composite machining unit is a track beam driving motor mounting dimension standard machining unit and is used for carrying out composite machining of important processes such as boring, milling, drilling and tapping of a workpiece; the vertical process composite processing unit is a track installation and guide size reference processing unit of a track beam and is used for carrying out composite processing on important processes such as milling, drilling, reaming, tapping and the like of a workpiece. The vertical double-spindle motion unit and the horizontal double-spindle motion unit are arranged on two sides of a workpiece, so that the safety performance can be improved, the occupied area can be reduced, the moving distance of operators can be reduced, the simultaneous processing of the working procedures of the top surface and the side surface can be met, and the working procedures of milling, drilling, boring, reaming and tapping can be compounded.
Description
Technical Field
The disclosure relates to the technical field of machine tools, in particular to a process machine tool for large-stroke process compound machining.
Background
Machine tools, i.e. equipment for manufacturing machine parts, are generally divided into metal cutting machines, forging machines, woodworking machines, etc., which generally consist of a support member, a feed mechanism, a speed change mechanism, a control and operating system, etc.;
the cutting process of the machine tool is carried out by a relative movement between the tool and the workpiece.
The Chinese patent discloses a processing technology (bulletin No. CN 105499999B) of a numerical control inner circular end face turning and grinding compound machine tool, wherein a first displacement device and a second displacement device are respectively arranged on two corresponding sides of a machine tool body, a clamping mechanism is arranged on the first displacement device and is controlled to move by the first displacement device, a grinding wheel trimmer corresponding to a grinding wheel mechanism is arranged on the clamping mechanism, a plurality of mounting stations are arranged on the second displacement device, a turning tool mechanism and the grinding wheel mechanism are respectively arranged on the mounting stations, and a controller electrically connected with the clamping mechanism, the grinding wheel mechanism, the first displacement device, the second displacement device and the grinding wheel trimmer is further arranged on the machine tool body. The invention has reasonable and simple structure, stable operation and high processing efficiency.
However, the prior art and the patent have disadvantages that the machine tool can only process a single work type on a workpiece at the time of processing the workpiece, so that the working efficiency is reduced. Therefore, a technical machine tool for large-stroke process combined machining is provided by a person skilled in the art to solve the problems in the prior art.
Disclosure of Invention
The purpose of the present disclosure is to provide a process machine tool for compound processing of a large-stroke process, which aims to solve the problem of the existing independent solution.
To achieve the purpose, the present disclosure adopts the following technical scheme: a process machine tool for large-stroke process composite machining comprises a track beam and a clamp system, and a horizontal process composite machining unit and a vertical process composite machining unit which are arranged on two sides of the track beam and the clamp system from left to right;
the track beam and the clamp system bear the positioning and clamping functions of the workpiece;
the horizontal process composite machining unit is a track beam driving motor mounting dimension standard machining unit and is used for carrying out composite machining of important processes such as boring, milling, drilling and tapping of a workpiece;
the vertical process composite processing unit is a track installation and guide size reference processing unit of a track beam and is used for carrying out composite processing on important processes such as milling, drilling, reaming, tapping and the like of a workpiece.
Preferably, the base of the horizontal process composite processing unit is fixedly connected with the foundation, and the horizontal process composite processing unit has a triaxial stroke of 6000x750x750 mm.
Preferably, the base of the vertical process compound processing unit is fixedly connected with the foundation, and the vertical process compound processing unit has a triaxial stroke of 6000x950x750 mm.
Preferably, the horizontal process composite machining unit comprises a first main shaft component, a forward tool magazine, a first upright post component, a first cross sliding table component, a first X-direction feeding mechanism component and a first base component;
the first main shaft component adopts a servo motor and an 8YU tooth type synchronous belt for 1:2 speed reduction transmission, the rotating speed of the first main shaft component is 500rpm, the speed regulation range is 20-4000 rpm, the maximum torque is 286, and the maximum power is 18.5Kw;
the forward tool magazine realizes automatic replacement of the spindle tools through the mechanical arm and the T code, improves the safety performance of automatic replacement of the tools at two sides, and is convenient for operators to control the opposite tool magazine at the same side;
the first upright post component provides a Y Z guide rail pair, a Y guide rail pair is arranged up and down, a Z guide rail pair is arranged in front and back, the first upright post component is a key foundation piece of the rigidity of the whole machine, and the first upright post component is a thin-wall multi-rib frame type high-rigidity design;
the first cross sliding table component provides a guide rail pair in two directions of XZ, the front and the back are provided with a Z-direction guide rail pair and a feeding mechanism, a double-guide rail pair support guide and multi-slider bearing design, a digital servo motor drives, a precise ball screw pair drives, and the Z-direction running precision is ensured to be stable and reliable;
the first X-direction feeding mechanism component is an X-direction feeding mechanism component of a double motor, a double gear and a precise rack;
the first base part provides a guide rail pair in the X direction and a feeding support, the X direction guide rail pair is of a large-span structure of three guide rails and a multi-slider bearing design, and the X direction operation precision is ensured to be stable and reliable.
Preferably, the horizontal process composite processing unit further comprises a first movable walking board, a first guide rail protective cover, a first electric control cabinet and a first operation hanging component;
the first movable walking board provides a safe activity space for operators and is provided with a safe protection visual baffle and a guardrail;
the first guide rail protective cover can isolate pollution of cutting fluid, chips, dust and the like to the guide rail pair and the gear rack;
the first electric control cabinet is arranged on the first movable walking board;
the first operation hanging component meets the observation and monitoring requirements of the horizontal main shaft, can control the opposite vertical process composite machining unit, and can start or stop the automatic operation of the two units by one key under the condition of ensuring the safety of the fixture.
Preferably, the vertical process composite machining unit comprises a second main shaft component, a reverse cutter bin, a second upright post component, a second cross sliding table component, a second X-direction feeding mechanism component, a second base component, a second movable walking board, a double-oil cylinder balancing device, a second guide rail protective cover, a second electric control cabinet and a second operation hanging component;
the second main shaft part adopts a servo motor and an 8YU tooth type synchronous belt for 1:2 speed reduction transmission, the rotating speed is 500rpm, the speed regulation range is 20-4000 rpm, the maximum torque is 286N meters, and the maximum power is 18.5Kw;
the reverse cutter bin realizes automatic replacement of the main shaft cutter through a manipulator and a T code, is designed for reverse symmetrical installation, and has a capacity of 30 handles;
the second upright post component provides a guide rail pair in two directions of YZ, the upper part and the lower part are Z-shaped guide rail pairs, the front part and the rear part are Y-shaped guide rail pairs, and the guide rail pairs are key foundation components of the rigidity of the whole machine;
the Y-shaped sliding table component provides a guide rail pair in XY two directions, a Y-shaped guide rail pair, a feeding mechanism, a double-guide rail pair support guide and multi-slider bearing design are arranged in front and back, a digital servo motor drives and a precise ball screw pair drives, and the Y-direction running accuracy is ensured to be stable and reliable;
the second X-direction feeding mechanism component is an X-direction feeding mechanism component of a double motor, a double gear and a precise rack;
the second base part provides a guide rail pair and a feeding support in the X direction, the X direction guide rail pair is of a large-span structure of three guide rails and is designed in a multi-slider bearing manner, and the X direction operation precision is ensured to be stable and reliable;
the second movable walking board provides a safe activity space for operators and is provided with a safe protection visual baffle and a guardrail;
the double-oil-cylinder balancing device can ensure the safe and stable output precision of the large-scale workpiece processing environment and the workpiece processing quality;
the second guide rail protective cover can isolate the pollution of cutting fluid, chips, dust and the like to the guide rail pair and the gear rack;
the second electric control cabinet is arranged on the second movable walking board;
the second operation hanging component can enable various signals to be free of attenuation and interference.
Preferably, the bottom of the reverse knife compartment is provided with an organic knife compartment bracket, the joint of the knife compartment bracket and the reverse knife compartment is provided with an adjusting block, the lower part of the reverse knife compartment is provided with a reverse manipulator, and the joint of the reverse knife compartment and the knife compartment bracket is provided with a guide key.
Preferably, the double-oil-cylinder balancing device comprises a fixed support, a universal joint, an oil cylinder support, a balancing oil cylinder and an energy accumulator, wherein the energy accumulator is arranged on one side of the fixed support, the universal joint is symmetrically arranged on the lower surface of the fixed support, the oil cylinder support is arranged on the lower surface of the universal joint, and the balancing oil cylinder is arranged on the lower surface of the oil cylinder support.
Preferably, the track beam and the clamp system comprise a T-shaped groove, a workbench, a vertical working procedure part and a horizontal working procedure part, wherein the T-shaped groove is symmetrically arranged on the upper surface of the workbench, the vertical working procedure part is arranged on the upper surface of the workbench above the T-shaped groove, and one end of the vertical working procedure part is provided with the horizontal working procedure part.
The beneficial effects of the present disclosure are: the vertical double-spindle motion unit and the horizontal double-spindle motion unit are arranged on two sides of a workpiece, so that the safety performance can be improved, the occupied area is reduced, the moving distance of operators is reduced, the simultaneous processing of the procedures of the top surface and the side surface can be met, the milling procedure, the drilling, boring, reaming and tapping procedures can be combined, the functions of a perfect numerical control machine tool are realized, and the whole-flow numerical control is realized by using the programming execution of G codes, T codes and M codes of a standard numerical control system; the method can realize the target position, the process content, the increase and decrease of each cutter, the sequence before and after the process, various compensation and management and the like in the process, is suitable for the track beams of all engineering machines, can be extended to other parts with the attribute characteristics of mutually perpendicular processing surfaces, and realizes the universal function and multiple purposes.
Drawings
FIG. 1 is a schematic diagram of a process machine tool for large-stroke process compound machining;
FIG. 2 is a top view of a process tool for large stroke process compound machining;
FIG. 3 is a side view of a horizontal process compound machining unit in a process machine tool for large-stroke process compound machining;
FIG. 4 is a top view of a horizontal process compound processing unit in a process tool for large-stroke process compound processing;
FIG. 5 is a schematic view of a first operating hanger in a large stroke process complex machine;
FIG. 6 is a schematic view of a process machine tool neutral type process compound processing unit for large-stroke process compound processing;
FIG. 7 is a top view of a process tool neutral process compound machining unit for a long stroke process compound machining;
FIG. 8 is a schematic structural view of a double cylinder balancing device in a process machine tool for large-stroke process compound machining;
FIG. 9 is a schematic structural view of a second electric control cabinet in a process machine tool for large-stroke process compound machining;
FIG. 10 is a schematic view of the structure of a reverse tool magazine in a process machine tool for large-stroke process compound machining;
FIG. 11 is a schematic view of a reverse manipulator in a process machine tool for large-stroke process compound machining;
FIG. 12 is an elevation view of a double cylinder balancing apparatus in a process machine tool for large stroke process compounding;
FIG. 13 is a schematic diagram of the accumulator configuration in a process tool for large stroke process compounding;
FIG. 14 is a schematic structural view of a fixed bracket in a process machine tool for large-stroke process compound machining;
fig. 15 is a schematic structural view of a track beam and clamp system in a process machine tool for large-stroke process compound machining.
In the figure: 1. track beam and clamp system; 11. a T-shaped groove; 12. a work table; 13. vertical working procedure parts; 14. horizontal procedure parts;
2. a horizontal process composite processing unit; 21. a first spindle unit; 22. a forward cutter bin; 23. a first column member; 24. a first cross slide table member; 25. a first X-direction feed mechanism component; 26. a first base member; 27. a first mobile deck; 28. a first rail guard; 29. a first electric control cabinet; 20. a first operation hanging member;
3. a vertical process composite processing unit; 31. a second spindle unit; 32. a reverse knife compartment; 321. a guide key; 322. adjusting the block; 323. a knife compartment bracket; 324. a reverse manipulator; 33. a second column member; 34. a second slide table part; 35. a second X-direction feed mechanism component; 36. a second base member; 37. a second mobile deck; 38. a double-cylinder balancing device; 381. a fixed bracket; 382. a universal joint; 383. an oil cylinder bracket; 384. a balance cylinder; 385. an accumulator; 39. a second rail guard; 30. a second electric control cabinet; 311. and a second operation hanging part.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown.
The components of the embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.
The technological machine tool for large-stroke process combined machining comprises a track beam and clamp system 1, and a horizontal process combined machining unit 2 and a vertical process combined machining unit 3 which are arranged on two sides of the track beam and clamp system 1 from left to right;
the track beam and clamp system 1 bears the positioning and clamping functions of the workpiece;
the horizontal process composite machining unit 2 is a track beam driving motor mounting dimension standard machining unit and is used for carrying out composite machining of important processes such as boring, milling, drilling, tapping and the like on a workpiece;
the vertical process compound processing unit 3 is a track installation and guide size reference processing unit of a track beam and is used for carrying out compound processing of important processes such as milling, drilling, reaming, tapping and the like of a workpiece.
Specifically, the base of the horizontal process composite processing unit 2 is fixedly connected with the foundation, and the horizontal process composite processing unit 2 has a triaxial stroke of 6000x750x750 mm; the conical hole of the horizontal main shaft is of BT50 specification with large aperture, the cutter capacity in the cutter bin is 30, the horizontal main shaft can adapt to the compound processing of various working procedures of different workpieces, the positioning precision is 0.02/1000mm, and the 6-meter travel is not more than 0.05mm; the rapid moving speed is 24 m/min, the mechanical zero point is the same as that of the vertical process composite processing unit V in the 6 m stroke direction, the power driving of the two units can be independently controlled to operate respectively, and the two units can also be synchronously operated and positioned so as to improve the processing quality and the size consistency.
Specifically, the base of the vertical process composite processing unit 3 is fixedly connected with the foundation, and the vertical process composite processing unit 3 has a triaxial stroke of 6000x950x750 mm; the conical hole of the vertical main shaft is in BT50 specification with large aperture, the cutter capacity of the reverse manipulator and the cutter bin (symmetrical structure with the cutter bin of the horizontal process composite processing unit) is 30, the tool can adapt to the composite processing of multiple processes of different workpieces, the tool is the same mechanical zero point with the horizontal process composite processing unit W in the 6 m stroke direction, the power driving of the two units can be independently controlled to operate respectively, and the tool can also be synchronously operated and positioned, so that the processing quality and the size consistency are improved.
Specifically, the horizontal process composite machining unit 2 includes a first main shaft member 21, a forward tool magazine 22, a first column member 23, a first cross slide table member 24, a first X-direction feeding mechanism member 25, and a first base member 26;
the first main shaft part 21 adopts a servo motor and an 8YU tooth type synchronous belt for 1:2 speed reduction transmission, the rotating speed of the first main shaft part 21 is 500rpm, the speed regulation range is 20-4000 rpm, the maximum torque is 286N meters, and the maximum power is 18.5Kw; the hydraulic loose knife, the belleville spring group are tensioned, the four-clack claw clamping knife handle blind rivet design is adopted, and the centering accuracy of the knife is high. The spindle taper hole of BT50 is the automatic replacement interface of the mature cutter in the market;
the forward cutter bin 22 realizes automatic replacement of the main shaft cutters through the manipulator and the T code, improves the safety performance of automatic replacement of cutters at two sides, and is convenient for operators to control the opposite cutter bins at the same side; the moving distance of operators is reduced, and the auxiliary time is shortened; the cutter bin body and the cutter weight of approximately 1000kg are completely seated on the bracket under the cutter bin body, so that the problems of unbalanced load weight and side bending stress of side hanging of the cutter bin are avoided, and the gravity center of the moving part is lowered; designing a cutter bin capacity of 30 (about 12 cutters are needed for actual machining of each set of crawler beams, and the machining requirements of more than two workpieces can be met;
the first upright post part 23 provides a Y Z guide rail pair, a Y guide rail pair is arranged up and down, a Z guide rail pair is arranged in front and back, the Y guide rail pair is a key foundation piece of the rigidity of the whole machine, and the Y guide rail pair is a thin-wall multi-rib frame type high-rigidity design; HT300 high-strength cast iron casting and multiple aging treatment processes;
the first cross sliding table component 24 provides a guide rail pair in two directions of XZ, a Z-direction guide rail pair and a feeding mechanism are arranged in front and back, a double-guide rail pair supports and guides the design of bearing multiple sliding blocks, and the digital servo motor drives and the precise ball screw pair drives, so that the Z-direction running precision is stable and reliable; the sliding table moves left and right to form an X-shaped guide pair which is a key foundation piece of the rigidity of the whole machine, is designed for high rigidity of thin-wall multi-rib, and is a HT300 high-strength cast iron casting and multiple aging treatment process;
the first X-direction feeding mechanism part 25 is a double motor, double gear and precise rack X-direction feeding mechanism part; the servo motor is a main driving motor, and the rear servo motor detects and follows the position and load of the front motor to provide equivalent load proportion in real time, so that the automatic elimination of the movement gap is realized; when the motor moves reversely, the roles of the original front motor and the original back motor are interchanged, namely the front motor is changed into the back motor, the back motor is changed into the front motor, the front servo motor is still used as a main driving motor, the back servo motor detects and follows the position and the load of the front motor, the equivalent load proportion is provided in real time, the automatic elimination of the movement gap is realized, and the action principle is the same;
the first base part 26 provides a guide rail pair and a feeding support in the X direction, the X direction guide rail pair is of a large-span structure of three guide rails and is designed in a multi-slider bearing way, and the X direction operation precision is ensured to be stable and reliable; the bottom of the base is fixedly connected with the foundation through an adjustable sizing block and a threaded sleeve, is a key basic process of the rigidity of the whole machine, the base body is of a thin-wall multi-rib box-shaped high-rigidity design, and the HT300 high-strength cast iron integrated integral (with the length of about 8 meters) casting and multiple ageing treatment processes are adopted. The upper part of the guide rail protective cover is covered with a left guide rail protective cover and a right guide rail protective cover W08 to isolate pollution of cutting fluid, chips, dust and the like to a guide rail pair and a gear rack; the protection is a steel telescopic structure, allows necessary trampling load, and can guide and collect cuttings to an automatic chip cleaner.
Specifically, the horizontal process compound processing unit 2 further includes a first movable walking board 27, a first guide rail protective cover 28, a first electric control cabinet 29 and a first operation hanging component 20;
the first movable walking board 27 provides a safe activity space for operators and is provided with a safe protection visual baffle and a guardrail;
the first guide rail protective cover 28 can isolate the pollution of cutting fluid, cutting chips, dust and the like to the guide rail pair and the gear rack; the protection is a steel telescopic structure, allows necessary trampling load, and can guide and collect cuttings to an automatic chip cleaner;
the first electric control cabinet 29 is arranged on the first movable walking board 27;
the first operation hanging component 20 meets the observation and monitoring requirements of the horizontal main shaft, can also control the opposite vertical process composite machining unit 3, and can start or stop the automatic operation of the two units by one key under the condition of ensuring the safety of the fixture.
According to the scheme, a plurality of limiting and protecting measures are set, so that the safety and stable output precision of a large-scale workpiece processing environment are ensured, and the workpiece processing quality is ensured.
Specifically, the vertical process composite machining unit 3 includes a second main shaft component 31, a reverse tool magazine 32, a second upright component 33, a second reverse sliding table component 34, a second X-direction feeding mechanism component 35, a second base component 36, a second movable walking table 37, a double-cylinder balancing device 38, a second guide rail protective cover 39, a second electric control cabinet 30 and a second operation hanging component 311;
the second main shaft part 31 adopts a servo motor and an 8YU tooth type synchronous belt for 1:2 speed reduction transmission, the rotating speed is 500rpm, the speed regulation range is 20-4000 rpm, the maximum torque is 286N meters, and the maximum power is 18.5Kw; the rotary speed using working condition of 10000rpm at most is supported, the hydraulic cutter loosening, the belleville spring group tensioning, the four-jaw clamping cutter handle blind rivet design, the cutter centering precision is high, the spindle taper of BT50 is an automatic cutter replacing interface which is mature in the market, the butt joint with a cutter bin is reliable and durable, the spindle box is an executing element with Z-direction coordinates, the spindle box moves up and down along a stand column, the double-guide rail pair supports and guides the spindle box, the multi-slider bearing design, the digital servo motor drives and the precise ball screw pair drives, and the Z-direction running precision is ensured to be stable and reliable.
The reverse cutter bin 32 realizes automatic replacement of the spindle cutter through a manipulator and a T code, and is designed for reverse symmetrical installation, and the capacity of the reverse cutter bin 32 is 30; the cutter bins opposite to the cutter bins are controlled by operators at the same side, the safety performance of automatic replacement of cutters at the two sides is improved, the moving distance of the operators is reduced, and the auxiliary time is shortened;
the second upright post component 33 provides a guide rail pair in two directions of YZ, the upper and lower parts are Z-shaped guide rail pairs, the front and rear parts are Y-shaped guide rail pairs, and the guide rail pairs are key foundation components of the rigidity of the whole machine; the method is a high-rigidity design of thin walls and multiple ribs, HT300 high-strength cast iron casting and multiple aging treatment process;
the twenty-first sliding table component 34 provides a guide rail pair in XY two directions, and the front and the back are a Y-direction guide rail pair, a feeding mechanism, a double-guide rail pair support guide and multi-slider bearing design, a digital servo motor drives, a precise ball screw pair drives, and the Y-direction running accuracy is ensured to be stable and reliable; the left-right movement of the sliding table is an X-shaped guide pair, which is a key foundation piece of the rigidity of the whole machine, is a high-rigidity design of thin-wall multi-rib, and is an HT300 high-strength cast iron casting and multiple aging treatment process;
the second X-direction feeding mechanism part 35 is a double motor, double gear and precise rack X-direction feeding mechanism part; the servo motor is a main driving motor, and the rear servo motor detects and follows the position and load of the front motor to provide equivalent load proportion in real time, so that the automatic elimination of the movement gap is realized; when the motor moves reversely, the roles of the original front motor and the original back motor are interchanged, namely the front motor is changed into the back motor, the back motor is changed into the front motor, the front servo motor is still used as a main driving motor, the back servo motor detects and follows the position and the load of the front motor, the equivalent load proportion is provided in real time, the automatic elimination of the movement gap is realized, and the action principle is the same;
the second base part 36 provides a guide rail pair and a feeding support in the X direction, and the X direction guide rail pair is of a large-span structure of three guide rails and is designed in a multi-slider bearing way, so that the X direction operation precision is stable and reliable; the bottom of the base is fixedly connected with the foundation through an adjustable sizing block and a threaded sleeve, which is a key basic process of the rigidity of the whole machine, the base body is of a thin-wall multi-rib box-shaped high-rigidity design, and the HT300 high-strength cast iron integrated integral (with the length of about 8 meters) casting and multiple ageing treatment processes are adopted;
the second movable walking board 37 provides a safe activity space for operators and is provided with a safe protection visual baffle and a guardrail;
the double-cylinder balancing device 38 can ensure the safe and stable output precision of the large workpiece processing environment and the workpiece processing quality;
the second guide rail protective cover 39 can isolate the pollution of cutting fluid, cutting chips, dust and the like to the guide rail pair and the gear rack; the protection is a steel telescopic structure, and allows necessary trampling load;
the second electric control cabinet 30 is mounted on a second movable walking board 37;
the second operation hanging part 311 can make various signals have no attenuation and interference.
Specifically, the bottom of reverse knife storehouse 32 is provided with organic knife storehouse support 323, and the junction of knife storehouse support 323 and reverse knife storehouse 32 is provided with adjusting block 322, and the below of reverse knife storehouse 32 is provided with reverse manipulator 324, and the junction of reverse knife storehouse 32 and knife storehouse support 323 is provided with guide key 321.
In the scheme, a symmetrical reverse cutter bin 32 is arranged on the right side of a main shaft box, one of the position adjustments of the reverse cutter bin 32 is close to or far from the main shaft box, a guide key 321 and a screw top pulling mechanism are designed, and a manipulator cutter arm reversely buckles cutters and rotates anticlockwise for exchange; because the whole tool magazine moves along with the twenty-first sliding table component 34, and the total weight of the reverse tool magazine 32 and the mounted tools is not less than 1000kg, only the vertical surfaces are combined, and a great lateral tipping force acts on the tool magazine bracket 323, two adjustable blocks 322 are designed at the lower part of the tool magazine and the front part of the tool magazine bracket 323 for unloading the weight of the tool magazine; the unloading mechanism is of a threaded sleeve structure, and the nut is locked and kept at a position after rotation adjustment; the transverse two-point adjusting mode can stabilize the lifting tool bin and avoid torsion stress generated at the non-gravity center position of a single point; the joint surface of the cutter bin bracket 323 and the second-half sliding table part 34 is the other position for adjusting the position of the cutter bin, and the planned design bracket surface is completely in the center of gravity of the cutter bin part and belongs to a stable part structure, namely, the cutter bin bracket 323 and the second-half sliding table part 34 can stably stand, so that tilting force can not be generated on the second-half sliding table part 34.
Specifically, the dual-cylinder balancing device 38 includes a fixing bracket 381, a universal joint 382, a cylinder bracket 383, a balancing cylinder 384 and an energy accumulator 385, the energy accumulator 385 is disposed on one side of the fixing bracket 381, the universal joint 382 is symmetrically disposed on the lower surface of the fixing bracket 381, the cylinder bracket 383 is disposed on the lower surface of the universal joint 382, and the balancing cylinder 384 is disposed on the lower surface of the cylinder bracket 383.
In the scheme, the double cylinders are symmetrically arranged at two sides of the main shaft box and close to the vertical guide rail pair, the cylinder support 383 is fixedly connected with the main shaft box by utilizing a shaft shoulder and a joint surface (the shaft shoulder can bear up-down shearing force), the double cylinders share one energy accumulator 385 as an oil supply power source, the two cylinders are guaranteed to have the same pressure and output equal balance force, and thus the balance force of the single cylinder is reduced without changing resultant force; the span of the two oil cylinders and the distance close to the guide rail pair shorten the force arm, so that the double balance force is ensured not to be added with the deflection force of non-gravity center balance, the running environment of the guide rail pair is optimized, and the running speed and the running precision are improved.
Specifically, the track beam and clamp system 1 comprises a T-shaped groove 11, a workbench 12, a vertical working procedure part 13 and a horizontal working procedure part 14, wherein the T-shaped groove 11 is symmetrically arranged on the upper surface of the workbench 12, the vertical working procedure part 13 is arranged on the upper surface of the workbench 12 above the T-shaped groove 11, the horizontal working procedure part 14 is arranged at one end of the vertical working procedure part 13, and the distance between the T-shaped grooves 11 is 160mm, so that the clamp can be positioned for a workpiece; the device can also be used as a contact point of a T-shaped groove locking bolt, and the transverse layout can also effectively avoid workpieces. The bottom surface of the workbench is fixedly connected with the foundation, so that the rigidity of the workpiece clamping system is enhanced, and efficient machining is convenient to realize.
The working principle and the using flow of the invention are as follows: firstly, manually assembling and disassembling the crawler beams, cleaning a positioning surface of a workbench, manually propping against positioning and auxiliary supporting according to process requirements, clamping at multiple points, checking the reliability of positioning and clamping, confirming no errors, safely confirming double buttons by two hands, and entering a program running state; at this time, the horizontal process composite processing unit and the vertical process composite processing unit are quickly moved to a program setting position; and the cutter bin automatically selects a cutter set by a program; finishing the procedures of rough and fine milling of a plane and a boss, rough and fine boring, drilling and reaming, tapping, chamfering and the like; the horizontal process composite machining unit and the vertical process composite machining unit operate simultaneously; the programmed start operation of cooling, lubrication, chip removers and the like, and the operation of each detection and protection mechanism; after the program is run, each processing unit quickly returns to a program setting position; a warning lamp (yellow lamp blinks), a buzzer sounds to prompt an operator; and repeating the above actions to finish the processing of the workpiece.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (9)
1. The process machine tool for the large-stroke process composite machining is characterized by comprising a track beam and clamp system (1), and a horizontal process composite machining unit (2) and a vertical process composite machining unit (3) which are arranged on two sides of the track beam and clamp system (1) from left to right;
the track beam and clamp system (1) bears the positioning and clamping functions of a workpiece;
the horizontal process composite machining unit (2) is a track beam driving motor installation dimension standard machining unit and is used for carrying out composite machining of important processes such as boring, milling, drilling and tapping of a workpiece;
the vertical process compound processing unit (3) is a track installation and guide size reference processing unit of a track beam and is used for carrying out compound processing on important processes such as milling, drilling, reaming and tapping of a workpiece.
2. The process machine tool for large-stroke process compound machining according to claim 1, wherein the base of the horizontal process compound machining unit (2) is fixedly connected with a foundation, and the horizontal process compound machining unit (2) has a triaxial stroke of 6000x750x750 mm.
3. The process machine tool for large-stroke process combined machining according to claim 1, wherein the base of the vertical process combined machining unit (3) is fixedly connected with a foundation, and the vertical process combined machining unit (3) has a triaxial stroke of 6000x950x750 mm.
4. A process machine tool for large-stroke process compound machining according to claim 1, characterized in that the horizontal process compound machining unit (2) comprises a first spindle part (21), a forward tool magazine (22), a first upright part (23), a first cross slide part (24), a first X-direction feeding mechanism part (25) and a first base part (26);
the first main shaft component (21) adopts a servo motor and an 8YU tooth type synchronous belt for 1:2 speed reduction transmission, the rotating speed of the first main shaft component (21) is 500rpm, the speed regulation range is 20-4000 rpm, the maximum torque is 286N m, and the maximum power is 18.5Kw;
the forward tool magazine (22) realizes automatic replacement of the spindle tools through the manipulator and the T code, improves the safety performance of automatic replacement of the tools at two sides, and is convenient for operators to control the opposite tool magazines at the same side;
the first upright post component (23) provides a Y Z guide rail pair, a Y guide rail pair is arranged up and down, a Z guide rail pair is arranged in front and back, the Y guide rail pair is a key foundation piece of the rigidity of the whole machine, and the Y guide rail pair is a thin-wall multi-rib frame type high-rigidity design;
the first cross sliding table component (24) provides a guide rail pair in two directions of XZ, the front and the back are a Z-direction guide rail pair and a feeding mechanism, a double-guide rail pair support guide and multi-slider bearing design, a digital servo motor drives, a precise ball screw pair drives, and the Z-direction running precision is ensured to be stable and reliable;
the first X-direction feeding mechanism component (25) is an X-direction feeding mechanism component of a double motor, a double gear and a precise rack;
the first base part (26) provides a guide rail pair and a feeding support in the X direction, and the X direction guide rail pair is of a large-span structure of three guide rails and is designed in a multi-slider bearing manner, so that the X direction operation precision is stable and reliable.
5. The large-stroke process combined machining process machine tool according to claim 1, wherein the horizontal process combined machining unit (2) further comprises a first movable walking board (27), a first guide rail protective cover (28), a first electric control cabinet (29) and a first operation hanging component (20);
the first movable walking board (27) provides a safe activity space for operators and is provided with a safe protection visual baffle and a guardrail;
the first guide rail protective cover (28) can isolate pollution of cutting fluid, cutting chips, dust and the like to the guide rail pair and the gear rack;
the first electric control cabinet (29) is arranged on the first movable walking board (27);
the first operation hanging component (20) meets the observation and monitoring requirements of the horizontal main shaft, the opposite vertical working procedure compound machining unit (3) can be controlled, and the automatic operation of the two units can be started or stopped by one key under the condition of ensuring the safety of the fixture.
6. A long-stroke process composite machining process machine according to claim 1, characterized in that the vertical process composite machining unit (3) comprises a second main shaft component (31), a reverse tool magazine (32), a second upright component (33), a second cross sliding table component (34), a second X-direction feeding mechanism component (35), a second base component (36), a second movable walking table (37), a double-cylinder balancing device (38), a second guide rail protective cover (39), a second electric control cabinet (30) and a second operation hanging component (311);
the second main shaft component (31) adopts a servo motor and an 8YU tooth type synchronous belt for 1:2 speed reduction transmission, the rotating speed is 500rpm, the speed regulation range is 20-4000 rpm, the maximum torque is 286N meters, and the maximum power is 18.5Kw;
the reverse cutter bin (32) realizes automatic replacement of a main shaft cutter through a manipulator and a T code, and is designed for reverse symmetrical installation, and the capacity of the reverse cutter bin (32) is 30;
the second upright post component (33) provides a guide rail pair in two directions of YZ, a Z guide rail pair is arranged up and down, a Y guide rail pair is arranged front and back, and the guide rail pair is a key foundation piece of the rigidity of the whole machine;
the second sliding table component (34) provides a guide rail pair in XY two directions, the front and the back are a Y-direction guide rail pair and a feeding mechanism, a double guide rail pair supports and guides, a multi-slider bearing design, a digital servo motor drives, a precise ball screw pair drives, and the Y-direction running precision is ensured to be stable and reliable;
the second X-direction feeding mechanism component (35) is an X-direction feeding mechanism component of a double motor, a double gear and a precise rack;
the second base part (36) provides a guide rail pair and a feeding support in the X direction, and the X direction guide rail pair is of a large-span structure of three guide rails and is designed in a multi-slider bearing manner, so that the X direction operation precision is stable and reliable;
the second movable walking board (37) provides a safe activity space for operators and is provided with a safe protection visual baffle and a guardrail;
the double-cylinder balancing device (38) can ensure the safe and stable output precision of the large-scale workpiece processing environment and the workpiece processing quality;
the second guide rail protective cover (39) can isolate pollution of cutting fluid, cutting chips, dust and the like to the guide rail pair and the gear rack;
the second electric control cabinet (30) is arranged on a second movable walking board (37);
the second operation hanging component (311) can enable various signals to be free from attenuation and interference.
7. The process machine tool for large-stroke process compound machining according to claim 1, wherein an organic cutter bin bracket (323) is arranged at the bottom of the reverse cutter bin (32), an adjusting block (322) is arranged at the joint of the cutter bin bracket (323) and the reverse cutter bin (32), a reverse manipulator (324) is arranged below the reverse cutter bin (32), and a guide key (321) is arranged at the joint of the reverse cutter bin (32) and the cutter bin bracket (323).
8. The process machine tool for large-stroke process compound machining according to claim 1, wherein the double-cylinder balancing device (38) comprises a fixed bracket (381), a universal joint (382), a cylinder bracket (383), a balancing cylinder (384) and an energy accumulator (385), wherein the energy accumulator (385) is arranged on one side of the fixed bracket (381), the universal joint (382) is symmetrically arranged on the lower surface of the fixed bracket (381), the cylinder bracket (383) is arranged on the lower surface of the universal joint (382), and the balancing cylinder (384) is arranged on the lower surface of the cylinder bracket (383).
9. The large-stroke process combined machining process machine tool according to claim 1, wherein the crawler beam and clamp system (1) comprises a T-shaped groove (11), a workbench (12), a vertical process part (13) and a horizontal process part (14), the T-shaped groove (11) is symmetrically arranged on the upper surface of the workbench (12), the vertical process part (13) is arranged on the upper surface of the workbench (12) above the T-shaped groove (11), and one end of the vertical process part (13) is provided with the horizontal process part (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310220938.3A CN116276087A (en) | 2023-03-09 | 2023-03-09 | Process machine tool for large-stroke process combined machining |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310220938.3A CN116276087A (en) | 2023-03-09 | 2023-03-09 | Process machine tool for large-stroke process combined machining |
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| CN116276087A true CN116276087A (en) | 2023-06-23 |
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| CN202310220938.3A Pending CN116276087A (en) | 2023-03-09 | 2023-03-09 | Process machine tool for large-stroke process combined machining |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118162906A (en) * | 2024-01-11 | 2024-06-11 | 江苏博尚工业装备有限公司 | Turning, milling and rolling composite machine tool with orthogonal structure |
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2023
- 2023-03-09 CN CN202310220938.3A patent/CN116276087A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118162906A (en) * | 2024-01-11 | 2024-06-11 | 江苏博尚工业装备有限公司 | Turning, milling and rolling composite machine tool with orthogonal structure |
| CN118162906B (en) * | 2024-01-11 | 2024-08-30 | 江苏博尚工业装备有限公司 | Turning, milling and rolling composite machine tool with orthogonal structure |
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