CN111958287B - Cross spindle machining system suitable for multi-model parts - Google Patents
Cross spindle machining system suitable for multi-model parts Download PDFInfo
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- CN111958287B CN111958287B CN202010761551.5A CN202010761551A CN111958287B CN 111958287 B CN111958287 B CN 111958287B CN 202010761551 A CN202010761551 A CN 202010761551A CN 111958287 B CN111958287 B CN 111958287B
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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
- B23Q3/155—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling
- B23Q3/157—Arrangements for automatic insertion or removal of tools, e.g. combined with manual handling of rotary tools
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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
Abstract
The invention relates to a cross spindle machining system suitable for parts of various models, which comprises a rotating arm main body, a spindle machining unit, a C-axis driving unit, an A-axis driving unit and a central control unit, wherein the central control unit selects a corresponding machining matrix according to the model of the part to be machined, enables the rotating arm main body to drive the spindle machining unit to rotate to a specified position according to preset parameters in the machining matrix and selects a specified cutter from the spindle machining unit. According to the invention, a plurality of preset processing step matrix groups are prestored in the central control unit, and when different parts are processed, the corresponding processing matrix can be selected according to the types of the parts to be processed, so that the system can complete quick and efficient processing aiming at various different parts; meanwhile, when the system processes a single part, the corresponding tool bit and the corresponding processing angle can be selected in the appointed step according to each step matrix of the processing matrix to process the part, so that the processing of the part to be processed can be completed quickly and efficiently.
Description
Technical Field
The invention relates to the technical field of machine tool machining, in particular to a cross spindle machining system suitable for multiple types of parts.
Background
In the modern society, the numerical control machine tool industry develops rapidly, the machining and manufacturing industry level provided greatly, the high-speed machining center has played irreplaceable role in the die manufacturing industry and the high-precision machining industry as the revolutionary development achievement of the machine tool, and the development and application of functional parts of the high-speed machining center such as a high-speed electric spindle, a high-speed tool holder chuck and a direct drive motor greatly improve the cutting efficiency. In order to match the high efficiency of machine tools, the increase in speed of an automatic tool changer, which is one of important parts of a machining center, is also an important technical content of a high-speed machining center. With the improvement of cutting speed, the cutting time is continuously shortened, the requirement on cutter changing time is gradually improved, and the cutter changing speed becomes an important index of a high-level machining center. The tool magazine of the current numerical control machining center is generally divided into a disc type tool magazine, a tool pocket type tool magazine, a chain type tool magazine and the like; the tool changing method is divided into two modes of a manipulator with a tool changing mode and a manipulator without the tool changing mode. However, the automatic tool changing requirement of the machining center is reliable and accurate, the structure is relatively complex, the technical difficulty in improving the tool changing speed is high, and the domestic automatic tool changing electric spindle technology is not mature at present. At present, high-speed machining centers produced by advanced foreign machine tool enterprises are mostly provided with rapid automatic tool changing devices in order to adapt to high-speed machining, and new technologies and new methods are adopted. A criss-cross spindle machining system with a quick tool changer is urgently needed.
Chinese utility model patent (CN205289752U) discloses a five-axis head structure. The C-axis rotary table mechanism is mounted on the C-axis fixed flange, the output end of the C-axis rotary table mechanism is connected with the main shell, and the main shell is driven by the C-axis rotary table mechanism to horizontally rotate around a C axis; the A-axis turntable mechanism is arranged on the main shell, the output end of the A-axis turntable mechanism is connected with the electric spindle, and the electric spindle is driven by the A-axis turntable mechanism to vertically rotate around an A axis. The utility model discloses a simple structure can't be according to the processing demand fast switch over cutter of part, also can't choose the processing step that corresponds for use to specific part of waiting to process, and machining efficiency is low.
Disclosure of Invention
Therefore, the invention provides a cross spindle machining system suitable for parts of various models, which is used for solving the problems that in the prior art, cutters cannot be switched rapidly and corresponding machining steps cannot be adopted for different parts, so that the machining efficiency is low.
In order to achieve the above object, the present invention provides a cross spindle processing system for multi-type parts, comprising:
the rotating arm main body is used for bearing a main shaft processing unit in the system and loading a C-axis driving unit, an A-axis driving unit and a central control unit; a C-axis connecting flange is arranged above the main body of the rotating arm;
the spindle processing unit is arranged at the end part of the rotating arm main body and is used for processing parts;
the C-axis driving unit is arranged in the rotating arm main body, is connected with the main shaft processing unit and is used for driving the main shaft processing unit to rotate along the vertical direction;
the A-axis driving unit is arranged in the rotating arm main body and used for driving the main shaft processing unit to rotate along the horizontal direction;
and the central control unit is arranged in the rotating arm main body, is respectively connected with the C-axis driving unit and the A-axis driving unit, and is used for selecting a corresponding processing matrix according to the type of a part to be processed and controlling the C-axis driving unit to rotate according to preset parameters in the processing matrix so that the rotating arm main body drives the spindle processing unit to rotate to a specified position and controls the A-axis driving unit to rotate so as to select a specified cutter from the spindle processing unit.
Further, the spindle machining unit includes a first spindle machining unit and a second spindle machining unit, wherein the first spindle machining unit includes:
a first spindle connection plate provided at one end of the first spindle machining unit for connecting the first spindle machining unit with the a-axis drive unit;
a second spindle connecting plate provided at an end of the first spindle machining unit opposite to the first spindle connecting plate, for connecting the first spindle machining unit and the second spindle machining unit;
the first cutter is arranged on the side wall of the first spindle machining unit and is used for machining parts;
a second tool provided at a side wall of the first spindle processing unit opposite to the first tool;
the second spindle machining unit comprises a third cutter and a fourth cutter, the third cutter and the fourth cutter are arranged on the side wall of the second spindle machining unit, and the third cutter and the fourth cutter are respectively arranged on two opposite side walls of the second spindle machining unit; a connecting line between the third cutter and the fourth cutter is perpendicular to a connecting line between the first cutter and the second cutter;
when the system selects a designated operation matrix to operate, the central control unit controls the C-axis driving unit to rotate according to the matrix so as to rotate the first spindle machining unit and the second spindle machining unit to designated positions along the vertical direction and controls the A-axis driving unit to rotate so as to rotate the first spindle machining unit and the second spindle machining unit along the horizontal direction so as to select corresponding tools to machine parts.
Further, the C-axis drive unit includes:
the C-axis driving motor is arranged above the C-axis connecting flange and is used for driving the rotating arm main body to rotate;
the C-axis driving synchronous belt wheel is arranged at the output end of the C-axis driving motor and used for outputting the kinetic energy of the C-axis driving motor;
the C-axis synchronous belt is sleeved on the side walls of the C-axis driving synchronous belt pulley and the C-axis driven synchronous belt pulley respectively and used for transmitting the kinetic energy of the C-axis driving synchronous belt pulley to the C-axis driven synchronous belt pulley;
the C-axis driven synchronous belt wheel is arranged on the C-axis speed reducer and used for driving the rotating arm main body to rotate along the vertical direction;
the C-axis line protecting pipe sequentially penetrates through the C-axis driven synchronous belt pulley and the C-axis speed reducer and is used for leading a cable for driving the cutter to enter the rotating arm main body;
the C-axis speed reducer is arranged in the C-axis connecting flange, is connected with the C-axis connecting flange and is used for reducing the rotating speed of the rotating arm main body;
when the system runs, the central control unit controls the C-axis driving motor to start, the C-axis driving synchronous belt pulley rotates and drives the C-axis driven synchronous belt pulley to rotate through the C-axis synchronous belt, and when the C-axis driven synchronous belt pulley rotates, the rotating arm main body rotates in the vertical direction at the reduced rotating speed after the C-axis speed reducer reduces the rotating speed of the C-axis driven synchronous belt pulley so as to rotate the spindle machining unit to the specified position.
Further, the a-axis drive unit includes:
the shaft A connecting flange is arranged at the lower end of the rotating arm main body and is used for being connected with the first spindle connecting plate;
the A-axis driving motor is arranged in the rotating arm main body and used for driving the main shaft processing unit to rotate along the horizontal direction;
the A-axis driving synchronous belt wheel is arranged at the output end of the A-axis driving motor and used for outputting the kinetic energy of the A-axis driving motor;
the A-axis synchronous belt is sleeved on the side walls of the A-axis driving synchronous belt pulley and the A-axis driven synchronous belt pulley respectively and used for transmitting the kinetic energy of the A-axis driving synchronous belt pulley to the A-axis driven synchronous belt pulley;
the A-axis driven synchronous belt wheel is positioned in the rotating arm main body, arranged on the A-axis speed reducer and used for driving the main shaft processing unit to rotate along the vertical direction;
the A-axis line protecting pipe sequentially penetrates through the A-axis driven synchronous belt pulley and the A-axis speed reducer and is used for leading a cable for driving the cutter to the main shaft processing unit;
the A-axis speed reducer is arranged in the rotating arm main body and connected with the A-axis connecting flange to reduce the rotating speed of the main shaft processing unit;
when the system operates, the central control unit controls the A-axis driving motor to start, the A-axis driving synchronous belt pulley rotates and drives the A-axis driven synchronous belt pulley to rotate through the A-axis synchronous belt, and when the A-axis driven synchronous belt pulley rotates, the main shaft processing unit rotates in the horizontal direction at the reduced rotating speed after the A-axis speed reducer reduces the rotating speed of the A-axis driven synchronous belt pulley so as to rotate the cutter to the designated position.
Further, a preset part model matrix U0 and a preset processing matrix group a0 are arranged in the central control unit, wherein for the preset part model matrix U0, U0(U1, U2, U3... Un), wherein U1 is a first preset part model, U2 is a second preset part model, U3 is a third preset part model, and Un is an nth preset part model;
for the preset processing matrix groups a0, a0(a1, a2, A3.. An), wherein a1 is a first preset processing matrix group, a2 is a second preset processing matrix group, A3 is a third preset processing matrix group, and An is An nth preset processing matrix group;
when the system is used, a corresponding preset processing matrix group is selected according to the model of the part to be processed by the central control unit:
when the system processes a part with a U1 model, the central control unit selects a first preset processing matrix group A1 and processes the part according to each parameter in the A1 matrix group;
when the system processes a part with a U2 model, the central control unit selects a second preset processing matrix group A2 and processes the part according to each parameter in the A2 matrix group;
when the system processes a part of U3 type, the central control unit selects a third preset processing matrix group A3 and processes the part according to each parameter in the A3 matrix group;
when the system processes a part of Un type, the central control unit selects the nth preset processing matrix group An and processes the part according to each parameter in the An matrix group.
Furthermore, a timer is arranged in the central control unit and used for recording the processing time of the cutter.
Further, for the nth preset processing matrix group An, An (Sn1, Sn2, Sn3.. Sni), wherein Sn1 is a first processing step matrix of nth type parts, Sn2 is a second processing step matrix of nth type parts, Sn3 is a third processing step matrix of nth type parts, and Sni is An ith processing step matrix of nth type parts;
for the nth model part, the ith processing step matrixes Sni, Sni (Dni, thetainc nia, tni) are, wherein Dni is a tool selected by the system when the ith step processing is performed on the nth model part, thetainc is an angle of the rotating arm main body of the system in the vertical direction when the ith step processing is performed on the nth model part, thetainc nia is an angle of the main shaft processing unit of the system in the horizontal direction when the ith step processing is performed on the nth model part, and tni is the processing time of the system in the ith step processing is performed on the nth model part;
when the ith step of machining is carried out on the nth type part, a corresponding cutter is selected according to Dni, the C-axis driving motor is controlled to rotate to enable the C-axis driving unit to rotate to a specified angle theta nic, the A-axis driving motor is controlled to rotate to enable the A-axis driving unit to rotate to a specified angle theta nia, after the rotation is completed, the central control unit controls the cutter to start to carry out the ith step of machining on the part, during machining, the timer starts to record machining time, and when the machining time reaches tni, the central control module stops machining the part to complete the ith step.
Furthermore, the main body of the rotating arm is of a plate-shell structure, and a mounting bracket is arranged in the main body of the rotating arm.
Furthermore, a protective cover is arranged on the side wall of the rotating arm main body and used for protecting parts loaded in the rotating arm main body.
Compared with the prior art, the processing method has the advantages that the central control unit is arranged in the system, the plurality of preset processing step matrix groups are prestored in the central control unit, and when different parts are processed, the corresponding processing matrix can be rapidly selected according to the types and the models of the parts to be processed, so that the system can complete rapid and efficient processing aiming at various different parts; meanwhile, when the system processes a single part, the corresponding tool bit and the corresponding processing angle can be selected in the appointed step according to each step matrix of the processing matrix to process the part, so that the processing of the part to be processed is completed quickly and efficiently, and the processing efficiency of the system to the part is further improved.
Furthermore, a preset part model matrix U0(U1, U2, U3... Un) and a preset processing matrix group A0(A1, A2, A3.. An) are arranged in the central control unit, when the system is used, the corresponding preset processing matrix group is selected according to the model of the part to be processed according to the central control unit, and parameters in the U0 matrix and parameters in the A0 matrix are in one-to-one correspondence, so that corresponding processing steps can be quickly selected according to the actual model of the part before the system processes the part, and the processing efficiency of the system is further improved.
Further, for the nth preset processing matrix group An, An (Sn1, Sn2, Sn3.. Sni), by setting corresponding processing steps for each processing matrix group, the system can perform targeted processing for different parts, thereby further improving the processing efficiency of the system.
Further, in the ith machining step matrix Sni, Sni (Dni, thetainc, theta nia, tni) of the nth type part, the selection of the tool, the determination of the angle of the main body of the rotating arm, the determination of the angle of the machining unit of the main shaft and the machining time are respectively limited in a single step, so that the system can precisely machine the part in steps when machining the part, and the machining efficiency of the system is further improved.
Furthermore, the invention adopts a cross fixing form of two main shafts, can quickly switch the positions of four cutters through the rotation of the shaft A, and has simple control mode, quick cutter changing and high positioning precision;
furthermore, the invention can provide three fixed processing positions, namely a horizontal 0-degree and an opposite 180-degree and a lower end vertical processing position, can flexibly realize a non-rotation tool changing processing mode in the processing process through programming of a machine tool numerical control processing system, and has high processing efficiency;
furthermore, the butt-joint type double-output main shaft is convenient to disassemble and assemble, corresponding cutters can be replaced according to machining requirements, the machining application range is wide, and the butt-joint type double-output main shaft has remarkable technical progress.
Drawings
FIG. 1 is a schematic perspective view of a cross spindle machining system for multiple types of parts according to the present invention;
FIG. 2 is a front view of a cross spindle machining system for multiple types of parts according to the present invention;
FIG. 3 is a side cross-sectional view of a cross spindle machining system according to the present invention adapted for use with multiple part types.
Detailed Description
In order that the objects and advantages of the invention will be more clearly understood, the invention is further described below with reference to examples; it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Preferred embodiments of the present invention are described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and do not limit the scope of the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Fig. 1-3 are a schematic perspective view, a front view and a side sectional view of a cross spindle machining system for multiple types of parts according to the present invention. The invention relates to a cross spindle processing system suitable for multi-type parts, which comprises:
the rotating arm main body 1 is used for bearing a main shaft processing unit in a system and loading a C-axis driving unit, an A-axis driving unit and a central control unit; a C-axis connecting flange 2 is arranged above the main body of the rotating arm;
a spindle machining unit provided at an end of the boom main body 1 to machine a part;
the C-axis driving unit is arranged in the rotating arm main body 1, is connected with the main shaft processing unit and is used for driving the main shaft processing unit to rotate along the vertical direction;
the A-axis driving unit is arranged in the rotating arm main body and used for driving the main shaft processing unit to rotate along the horizontal direction;
and the central control unit (not shown in the figure) is arranged in the rotating arm main body 1 and is respectively connected with the C-axis driving unit and the A-axis driving unit, and is used for selecting a corresponding processing matrix according to the type of a part to be processed and controlling the C-axis driving unit to rotate according to preset parameters in the processing matrix so that the rotating arm main body 1 drives the spindle processing unit to rotate to a specified position and controls the A-axis driving unit to rotate so as to select a specified tool from the spindle processing unit.
Referring to fig. 1 to 3, the spindle processing unit of the present invention includes a first spindle processing unit 6 and a second spindle processing unit 7, wherein the first spindle processing unit 6 includes:
a first spindle connection plate 4 provided at one end of the first spindle processing unit 6 for connecting the first spindle processing unit 6 with the a-axis drive unit;
a second spindle connecting plate 5 provided at an end of the first spindle machining unit 6 opposite to the first spindle connecting plate 4 for connecting the first spindle machining unit 6 to the second spindle machining unit 7;
a first tool 8 arranged on a side wall of the first spindle processing unit 6 for processing a part;
a second tool 9 provided at a side wall of the first spindle machining unit 6 opposite to the first tool 8;
the second spindle machining unit 7 comprises a third tool 10 and a fourth tool 11, the third tool 10 and the fourth tool 11 are both arranged on the side wall of the second spindle machining unit 7, and the third tool 10 and the fourth tool 11 are respectively arranged on two opposite side walls of the second spindle machining unit 7; a connecting line between the third cutter 10 and the fourth cutter 11 is perpendicular to a connecting line between the first cutter 8 and the second cutter 9;
when the system selects a designated operation matrix to operate, the central control unit controls the C-axis driving unit to rotate according to the matrix so as to rotate the first spindle machining unit 6 and the second spindle machining unit 7 to designated positions along the vertical direction and controls the A-axis driving unit to rotate so as to rotate the first spindle machining unit 6 and the second spindle machining unit 7 along the horizontal direction so as to select corresponding tools to machine parts.
Referring to fig. 1 to fig. 3, the C-axis driving unit of the present invention includes:
a C-axis driving motor 12 arranged above the C-axis connecting flange 2 and used for driving the rotating arm main body 1 to rotate;
a C-axis driving synchronous pulley 13 provided at an output end of the C-axis driving motor 12 to output kinetic energy of the C-axis driving motor 12;
the C-axis synchronous belt 14 is sleeved on the side walls of the C-axis driving synchronous pulley 13 and the C-axis driven synchronous pulley 15 respectively and used for transmitting the kinetic energy of the C-axis driving synchronous pulley 13 to the C-axis driven synchronous pulley 15;
a C-axis driven synchronous pulley 15 provided on a C-axis reducer 17 for driving the boom main body 1 to rotate in the vertical direction;
a C-axis line protecting pipe 16 which sequentially penetrates the C-axis driven synchronous pulley 15 and the C-axis reducer 17 and is used for leading a cable for driving the cutter to the rotating arm main body 1;
a C-axis reducer 17 disposed in the C-axis connecting flange 2 and connected to the C-axis connecting flange 2 to reduce the rotation speed of the boom main body 1;
when the system operates, the central control unit controls the C-axis driving motor 12 to start, the C-axis driving synchronous pulley 13 rotates and drives the C-axis driven synchronous pulley 15 to rotate through the C-axis synchronous belt 14, and when the C-axis driven synchronous pulley 15 rotates, the rotating arm main body 1 rotates in the vertical direction at the reduced rotating speed after the C-axis speed reducer 17 reduces the rotating speed of the C-axis driven synchronous pulley 15 so as to rotate the spindle processing unit to the specified position.
Referring to fig. 1 to fig. 3, the a-axis driving unit of the present invention includes:
the shaft A is connected with a flange 3 which is arranged at the lower end of the rotating arm main body 1 and is used for being connected with the first spindle connecting plate 4;
an a-axis driving motor 18 provided in the boom main body 1 to drive the spindle processing unit to rotate in a horizontal direction;
an a-axis driving synchronous pulley 19 provided at an output end of the a-axis driving motor 18 to output kinetic energy of the a-axis driving motor 18;
the A-axis synchronous belt 20 is sleeved on the side walls of the A-axis driving synchronous pulley 19 and the A-axis driven synchronous pulley 21 respectively and used for transmitting the kinetic energy of the A-axis driving synchronous pulley 19 to the A-axis driven synchronous pulley 21;
an a-axis driven synchronous pulley 21 located inside the boom body 1 and disposed on an a-axis reducer 22 for driving the spindle machining unit to rotate in the vertical direction;
an a-axis line protecting pipe 22 which sequentially penetrates the a-axis driven synchronous pulley 21 and the a-axis reducer 22 and is used for leading a cable for driving the cutter to the spindle machining unit;
an a-axis reducer 23 disposed in the boom body 1 and connected to the a-axis connecting flange 3 to reduce the rotation speed of the spindle processing unit;
when the system operates, the central control unit controls the A-axis driving motor to start 18, the A-axis driving synchronous pulley 19 rotates and drives the A-axis driven synchronous pulley 21 to rotate through the A-axis synchronous belt 20, and when the A-axis driven synchronous pulley 21 rotates, the main shaft machining unit rotates in the horizontal direction at the reduced rotating speed after the A-axis speed reducer 23 reduces the rotating speed of the A-axis driven synchronous pulley 21 so as to rotate the cutter to the specified position.
As shown in fig. 1-3, the central control unit of the present invention is provided with a preset component model matrix U0 and a preset processing matrix group a0, where for the preset component model matrix U0, U0(U1, U2, U3... Un), where U1 is a first preset component model, U2 is a second preset component model, U3 is a third preset component model, and Un is an nth preset component model;
for the preset processing matrix groups a0, a0(a1, a2, A3.. An), wherein a1 is a first preset processing matrix group, a2 is a second preset processing matrix group, A3 is a third preset processing matrix group, and An is An nth preset processing matrix group;
when the system is used, a corresponding preset processing matrix group is selected according to the model of the part to be processed by the central control unit:
when the system processes a part with a U1 model, the central control unit selects a first preset processing matrix group A1 and processes the part according to each parameter in the A1 matrix group;
when the system processes a part with a U2 model, the central control unit selects a second preset processing matrix group A2 and processes the part according to each parameter in the A2 matrix group;
when the system processes a part of U3 type, the central control unit selects a third preset processing matrix group A3 and processes the part according to each parameter in the A3 matrix group;
when the system processes a part of Un type, the central control unit selects the nth preset processing matrix group An and processes the part according to each parameter in the An matrix group.
Specifically, a timer is arranged in the central control unit and used for recording the processing time of the cutter.
Specifically, for the nth preset processing matrix group An, An (Sn1, Sn2, Sn3.. Sni), wherein Sn1 is a first processing step matrix of nth type parts, Sn2 is a second processing step matrix of nth type parts, Sn3 is a third processing step matrix of nth type parts, and Sni is An ith processing step matrix of nth type parts;
for the nth model part, the ith processing step matrixes Sni, Sni (Dni, thetainc nia, tni) are, wherein Dni is a tool selected by the system when the ith step processing is performed on the nth model part, thetainc is an angle of the rotating arm main body of the system in the vertical direction when the ith step processing is performed on the nth model part, thetainc nia is an angle of the main shaft processing unit of the system in the horizontal direction when the ith step processing is performed on the nth model part, and tni is the processing time of the system in the ith step processing is performed on the nth model part;
when the ith step of machining is carried out on the nth type part, a corresponding cutter is selected according to Dni, the C-axis driving motor is controlled to rotate to enable the C-axis driving unit to rotate to a specified angle theta nic, the A-axis driving motor is controlled to rotate to enable the A-axis driving unit to rotate to a specified angle theta nia, after the rotation is completed, the central control unit controls the cutter to start to carry out the ith step of machining on the part, during machining, the timer starts to record machining time, and when the machining time reaches tni, the central control module stops machining the part to complete the ith step.
Referring to fig. 1 to fig. 3, the main body of the rotating arm of the present invention is a plate-shell structure with a mounting bracket inside.
Referring to fig. 1-3, the side wall of the main body of the arm of the present invention is further provided with a protective cover for protecting the components loaded inside the main body of the arm.
So far, the technical solutions of the present invention have been described in connection with the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Equivalent changes or substitutions of related technical features can be made by those skilled in the art without departing from the principle of the invention, and the technical scheme after the changes or substitutions can fall into the protection scope of the invention.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention; various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A cross spindle machining system suitable for multi-type parts, comprising:
the rotating arm main body is used for bearing a main shaft processing unit in the system and loading a C-axis driving unit, an A-axis driving unit and a central control unit; a C-axis connecting flange is arranged above the main body of the rotating arm;
the spindle processing unit is arranged at the end part of the rotating arm main body and is used for processing parts;
the C-axis driving unit is arranged in the rotating arm main body, is connected with the main shaft processing unit and is used for driving the main shaft processing unit to rotate along the vertical direction;
the A-axis driving unit is arranged in the rotating arm main body and used for driving the main shaft processing unit to rotate along the horizontal direction;
the center control unit is arranged in the rotating arm main body, is respectively connected with the C-axis driving unit and the A-axis driving unit, and is used for selecting a corresponding processing matrix according to the type of a part to be processed and controlling the C-axis driving unit to rotate according to preset parameters in the processing matrix so as to enable the rotating arm main body to drive the main shaft processing unit to rotate to a specified position and control the A-axis driving unit to rotate so as to select a specified cutter from the main shaft processing unit;
the central control unit is internally provided with a preset part model matrix U0 and a preset processing matrix group A0, wherein for the preset part model matrix U0, U0(U1, U2, U3... Un), wherein U1 is a first preset part model, U2 is a second preset part model, U3 is a third preset part model, and Un is an nth preset part model;
for the preset processing matrix groups a0, a0(a1, a2, A3.. An), wherein a1 is a first preset processing matrix group, a2 is a second preset processing matrix group, A3 is a third preset processing matrix group, and An is An nth preset processing matrix group;
when the system is used, a corresponding preset processing matrix group is selected according to the model of the part to be processed by the central control unit:
when the system processes a part with a U1 model, the central control unit selects a first preset processing matrix group A1 and processes the part according to each parameter in the A1 matrix group;
when the system processes a part with a U2 model, the central control unit selects a second preset processing matrix group A2 and processes the part according to each parameter in the A2 matrix group;
when the system processes a part of U3 type, the central control unit selects a third preset processing matrix group A3 and processes the part according to each parameter in the A3 matrix group;
when the system processes a part of Un type, the central control unit selects An nth preset processing matrix group An and processes the part according to each parameter in the An matrix group;
for the nth preset processing matrix group An, An (Sn1, Sn2, Sn3.. Sni), wherein Sn1 is a first processing step matrix of nth type parts, Sn2 is a second processing step matrix of nth type parts, Sn3 is a third processing step matrix of nth type parts, and Sni is An ith processing step matrix of nth type parts;
for the nth model part, the ith processing step matrixes Sni, Sni (Dni, thetainc nia, tni) are, wherein Dni is a tool selected by the system when the ith step processing is performed on the nth model part, thetainc is an angle of the rotating arm main body of the system in the vertical direction when the ith step processing is performed on the nth model part, thetainc nia is an angle of the main shaft processing unit of the system in the horizontal direction when the ith step processing is performed on the nth model part, and tni is the processing time of the system in the ith step processing is performed on the nth model part;
when the system carries out ith-step machining on nth-model parts, a corresponding cutter is selected according to Dni, the C-axis driving motor is controlled to rotate to enable the C-axis driving unit to rotate to a specified angle theta nic, the A-axis driving motor is controlled to rotate to enable the A-axis driving unit to rotate to a specified angle theta nia, after the rotation is completed, the central control unit controls the cutter to start to carry out ith-step machining on the parts, during machining, a timer starts to record machining time, and when the machining time reaches tni, the central control module stops machining the parts to complete ith step.
2. The cross spindle processing system for parts of multiple models according to claim 1, wherein the spindle processing unit comprises a first spindle processing unit and a second spindle processing unit, wherein the first spindle processing unit comprises:
a first spindle connection plate provided at one end of the first spindle machining unit for connecting the first spindle machining unit with the a-axis drive unit;
a second spindle connecting plate provided at an end of the first spindle machining unit opposite to the first spindle connecting plate, for connecting the first spindle machining unit and the second spindle machining unit;
the first cutter is arranged on the side wall of the first spindle machining unit and is used for machining parts;
a second tool provided at a side wall of the first spindle processing unit opposite to the first tool;
the second spindle machining unit comprises a third cutter and a fourth cutter, the third cutter and the fourth cutter are arranged on the side wall of the second spindle machining unit, and the third cutter and the fourth cutter are respectively arranged on two opposite side walls of the second spindle machining unit; a connecting line between the third cutter and the fourth cutter is perpendicular to a connecting line between the first cutter and the second cutter;
when the system selects a designated operation matrix to operate, the central control unit controls the C-axis driving unit to rotate according to the matrix so as to rotate the first spindle machining unit and the second spindle machining unit to designated positions along the vertical direction and controls the A-axis driving unit to rotate so as to rotate the first spindle machining unit and the second spindle machining unit along the horizontal direction so as to select corresponding tools to machine parts.
3. The cross spindle machining system for parts of multiple models according to claim 2, wherein the C-axis drive unit comprises:
the C-axis driving motor is arranged above the C-axis connecting flange and is used for driving the rotating arm main body to rotate;
the C-axis driving synchronous belt wheel is arranged at the output end of the C-axis driving motor and used for outputting the kinetic energy of the C-axis driving motor;
the C-axis synchronous belt is sleeved on the side walls of the C-axis driving synchronous belt pulley and the C-axis driven synchronous belt pulley respectively and used for transmitting the kinetic energy of the C-axis driving synchronous belt pulley to the C-axis driven synchronous belt pulley;
the C-axis driven synchronous belt wheel is arranged on the C-axis speed reducer and used for driving the rotating arm main body to rotate along the vertical direction;
the C-axis line protecting pipe sequentially penetrates through the C-axis driven synchronous belt pulley and the C-axis speed reducer and is used for leading a cable for driving the cutter to enter the rotating arm main body;
the C-axis speed reducer is arranged in the C-axis connecting flange, is connected with the C-axis connecting flange and is used for reducing the rotating speed of the rotating arm main body;
when the system runs, the central control unit controls the C-axis driving motor to start, the C-axis driving synchronous belt pulley rotates and drives the C-axis driven synchronous belt pulley to rotate through the C-axis synchronous belt, and when the C-axis driven synchronous belt pulley rotates, the rotating arm main body rotates in the vertical direction at the reduced rotating speed after the C-axis speed reducer reduces the rotating speed of the C-axis driven synchronous belt pulley so as to rotate the spindle machining unit to the specified position.
4. The cross spindle machining system for parts of multiple models according to claim 3, wherein the a-axis drive unit comprises:
the shaft A connecting flange is arranged at the lower end of the rotating arm main body and is used for being connected with the first spindle connecting plate;
the A-axis driving motor is arranged in the rotating arm main body and used for driving the main shaft processing unit to rotate along the horizontal direction;
the A-axis driving synchronous belt wheel is arranged at the output end of the A-axis driving motor and used for outputting the kinetic energy of the A-axis driving motor;
the A-axis synchronous belt is sleeved on the side walls of the A-axis driving synchronous belt pulley and the A-axis driven synchronous belt pulley respectively and used for transmitting the kinetic energy of the A-axis driving synchronous belt pulley to the A-axis driven synchronous belt pulley;
the A-axis driven synchronous belt wheel is positioned in the rotating arm main body, arranged on the A-axis speed reducer and used for driving the main shaft processing unit to rotate along the vertical direction;
the A-axis line protecting pipe sequentially penetrates through the A-axis driven synchronous belt pulley and the A-axis speed reducer and is used for leading a cable for driving the cutter to the main shaft processing unit;
the A-axis speed reducer is arranged in the rotating arm main body and connected with the A-axis connecting flange to reduce the rotating speed of the main shaft processing unit;
when the system operates, the central control unit controls the A-axis driving motor to start, the A-axis driving synchronous belt pulley rotates and drives the A-axis driven synchronous belt pulley to rotate through the A-axis synchronous belt, and when the A-axis driven synchronous belt pulley rotates, the main shaft processing unit rotates in the horizontal direction at the reduced rotating speed after the A-axis speed reducer reduces the rotating speed of the A-axis driven synchronous belt pulley so as to rotate the cutter to the designated position.
5. The cross spindle machining system for parts of various types according to claim 1, wherein the main body of the rotating arm is a plate-shell structure with a mounting bracket arranged inside.
6. The cross spindle machining system for parts of various types according to claim 1, wherein a shield is further provided on a side wall of the main body of the rotating arm to shield components loaded inside the main body of the rotating arm.
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