CN111283460A - High-precision mechanical arm for lathe and working method thereof - Google Patents
High-precision mechanical arm for lathe and working method thereof Download PDFInfo
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- CN111283460A CN111283460A CN202010239467.7A CN202010239467A CN111283460A CN 111283460 A CN111283460 A CN 111283460A CN 202010239467 A CN202010239467 A CN 202010239467A CN 111283460 A CN111283460 A CN 111283460A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q7/00—Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting
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- 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
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25J—MANIPULATORS; CHAMBERS PROVIDED WITH MANIPULATION DEVICES
- B25J9/00—Programme-controlled manipulators
- B25J9/02—Programme-controlled manipulators characterised by movement of the arms, e.g. cartesian coordinate type
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Abstract
The invention discloses a high-precision mechanical arm for a lathe and a working method thereof. The X-axis clamping mechanical arm comprises a second sliding table, a second drag chain, a third sliding table and a horizontal clamping component, wherein the second sliding table is cuboid and is arranged at the top of the first sliding table, and the second drag chain is arranged at the top of the first sliding table and the outer side of the second sliding table. The mechanical arm improves the moving accuracy and moving efficiency of parts machined by the lathe, and improves the working efficiency of the lathe; the safety of the mechanical arm is improved by accurately controlling and alarming the moving distance.
Description
Technical Field
The invention relates to the technical field of lathe mechanical arms, in particular to a high-precision mechanical arm for a lathe and a working method thereof.
Background
Current lathe all has the lathe bed, is fixed with mounting platform on the lathe bed, is equipped with blade disc module, first headstock and second headstock on the mounting platform, has placed the feed bin in the feed side of first headstock, has placed down the feed bin in the discharge side of second headstock. However, in the machining process of the lathe, the feeding and discharging of the first spindle box and the second spindle box are both manually operated, and due to the continuous machining of the double spindles of the lathe, the operators of the lathe need to continuously feed and discharge materials, so that the labor intensity is very high; secondly, the manual operation speed is low, and the machining efficiency of the lathe is reduced; the clamping depth and distance are required to be pre-judged every time of manual operation, misjudgment is easy to occur, and the machining precision and the machining quality are reduced.
The prior art (CN202804195U) discloses a lathe manipulator, wherein a beam is erected above a lathe, the beam is distributed left and right, a sliding plate is slidably mounted on the front side surface of the beam, the sliding plate can slide left and right, a mechanical arm is slidably mounted in front of the sliding plate, and a first manipulator and a second manipulator are mounted at the lower end of the mechanical arm. The mechanical arm is additionally arranged on the lathe, so that the automation of feeding and discharging in lathe machining is realized, the working efficiency and the machining precision of the lathe are improved, and the manpower is saved. However, the following technical problems still exist: 1) the mechanical arm has low moving accuracy and moving efficiency on the lathe processing parts, and the working efficiency of the lathe is reduced; 2) the clamping of the part to be processed is not stable enough; 3) the accurate control of part displacement distance can't be realized and the suggestion of reporting to the police is carried out, has reduced the security of arm, easily leads to the emergence of lathe operation incident.
Disclosure of Invention
In order to solve the above technical problems, an object of the present invention is to provide a high-precision robot arm for a lathe and a working method thereof.
The X-axis clamping mechanical arm is arranged on the Y-axis mechanical arm and far away from the outer side of the support; the mechanical arm is used for clamping a part to be machined and then accurately moving the part to be machined to a working area of a lathe in the horizontal direction and the vertical direction, so that a turning tool in the working area can be used for turning. Specifically, a motor shaft of a second motor drives a second gear to rotate, the second gear drives a first straight rack meshed with the second gear to move in the vertical direction, and a first elongated slider moves in the vertical direction along a vertical sliding column, so that a sliding seat and an X-axis clamping mechanical arm move in the vertical direction; a motor shaft of the first motor drives the first gear to rotate, the first gear drives the second straight rack meshed with the first gear to move in the horizontal direction, and the second strip-shaped sliding block moves in the horizontal direction along the horizontal sliding column, so that the third sliding table and the horizontal clamping component move in the horizontal direction; a motor shaft of a third motor drives a third gear to rotate, and the third gear drives a third straight rack meshed with the third gear to move in the horizontal direction, so that the horizontal clamping part moves in the horizontal direction; when the horizontal clamping part moves to the position to be machined, the part to be machined or the machined part is sleeved in the clamping hole, the clamping arm tightly clamps the part, and a turning tool of a lathe is convenient to machine the part or move the machined part. The mechanical arm improves the moving accuracy and moving efficiency of parts machined by the lathe, and greatly improves the working efficiency of the lathe.
Through setting up horizontal clamping part to including centre gripping curb plate, grip slipper, centre gripping arm, the outside at two grip slippers is just fixed respectively to the vertical setting of two centre gripping curb plates, and the bottom of grip slipper is equipped with the spout, and the grip slipper is whole to be U type and upper end and spout sliding connection, and the lower extreme encloses to close and is the circular shape centre gripping hole, and the shape in this centre gripping hole can be according to the cross sectional area of waiting to process the part and do the adaptability adjustment, and the spout of grip slipper bottom has made things convenient for the stable centre gripping of centre gripping arm to the part.
When the distance between the top of the second sliding table and the first position sensor and the distance between the top of the second sliding table and the second position sensor at the bottom of the sliding seat are 3-5cm, the first position sensor and the second position sensor can generate signals and transmit the signals to the PLC controller, and the PLC controller sends alarm signals to the alarm lamp and controls the second motor to be turned off; when the distance between the side wall of the sliding seat and the third position sensor and the distance between the side wall of the sliding seat and the fourth position sensor are 3-5cm, the third position sensor and the fourth position sensor can generate signals and transmit the signals to the PLC, the PLC sends alarm signals to the alarm lamp and controls the first motor to be turned off, the PLC can move the distance and accurately control and alarm, the safety of the mechanical arm is greatly improved, and the safety accidents of lathe operation are avoided.
The purpose of the invention can be realized by the following technical scheme:
the invention provides a high-precision mechanical arm for a lathe, which comprises a support arranged on a lathe table, a Y-axis mechanical arm arranged at one end of the support and on the lathe and close to the side wall of a working area, and an X-axis clamping mechanical arm arranged on the Y-axis mechanical arm and far away from the outer side of the support, wherein the Y-axis mechanical arm comprises a first sliding table, a sliding seat and a first drag chain;
the X-axis clamping mechanical arm comprises a second sliding table, a second drag chain, a third sliding table and a horizontal clamping component, the second sliding table is cuboid and is arranged at the top of the first sliding table, and the second drag chain is arranged at the top of the first sliding table and on the outer side of the second sliding table; the bottom surface of the second sliding table is provided with two horizontal sliding columns, and a second straight rack is arranged between the two horizontal sliding columns;
one end of the third sliding table is connected with a third drag chain and penetrates through the fixing frame, and the other end of the third sliding table is connected with the horizontal clamping component; a third straight rack is arranged on the third sliding table and close to the side wall of the second sliding table; the side wall of the fixed frame is connected with a third motor, a motor shaft of the third motor penetrates through the wall part of the fixed frame and is connected with a third gear, and the third gear is meshed with a third straight rack; the third sliding table is connected with the horizontal clamping component through a connecting shaft and is fastened through a bolt.
As a further scheme of the invention, the first sliding table is cuboid, and a PLC controller is arranged at the top of the first sliding table; the top of the first straight rack is provided with a first position sensor, and the bottom of the first straight rack is provided with a second position sensor.
As a further scheme of the invention, the PLC is electrically connected with the first position sensor, the second position sensor, the third position sensor, the fourth position sensor and the alarm lamp, and the PLC is electrically connected with the first motor, the second motor and the third motor; when the distance between the top of the second sliding table and the first position sensor and the distance between the top of the second sliding table and the second position sensor at the bottom of the sliding seat are 3-5cm, the first position sensor 411 and the second position sensor can generate signals and transmit the signals to the PLC, and the PLC sends an alarm signal to the alarm lamp and controls the second motor to be turned off; when the distance between the side wall of the sliding seat and the third position sensor and the distance between the side wall of the sliding seat and the fourth position sensor are 3-5cm, the third position sensor and the fourth position sensor can generate signals and transmit the signals to the PLC, and the PLC sends an alarm signal to the alarm lamp and controls the first motor to be turned off.
As a further scheme of the invention, the shell of the sliding seat is cuboid, the outer wall of the sliding seat is provided with an alarm lamp, the sliding seat is internally provided with a first motor extending vertically upwards and a second motor extending horizontally inwards, the motor shaft of the first motor is connected with a first gear, the motor shaft of the second motor penetrates through the inner wall of the sliding seat and is connected with a second gear, and the second gear is meshed with the first straight rack; two rows of first strip-shaped sliding blocks are arranged on the outer surface of the inner wall of the sliding seat and are respectively in sliding connection with the vertical sliding column.
As a further scheme of the invention, one end of the bottom of the second sliding table is provided with a third position sensor, the other end of the bottom of the second sliding table is provided with a fourth position sensor, and the first gear is meshed with the second straight rack.
As a further scheme of the invention, two rows of second elongated sliding blocks are arranged on the outer surface of the bottom of the sliding seat, and the two rows of second elongated sliding blocks are respectively connected with the horizontal sliding column in a sliding manner; the third sliding table is arranged at one end, far away from the first sliding table, of the second sliding table, and the included angle between the third sliding table and the second sliding table is 90 degrees.
As a further scheme of the invention, the horizontal clamping component comprises two clamping side plates, two clamping seats and two clamping arms, wherein the two clamping side plates are vertically arranged and respectively fixed at the outer sides of the two clamping seats, the bottom of each clamping seat is provided with a sliding groove, the clamping arms are integrally U-shaped, the upper ends of the clamping arms are in sliding connection with the sliding grooves, and the lower ends of the clamping arms enclose a circular clamping hole.
The invention also provides a working method of the high-precision mechanical arm for the lathe, which comprises the following steps:
s1, a second motor is started, a motor shaft of the second motor drives a second gear to rotate, the second gear drives a first straight rack meshed with the second gear to move in the vertical direction, and a first elongated slider moves in the vertical direction along a vertical sliding column, so that a sliding seat and an X-axis clamping mechanical arm move in the vertical direction;
s2, when the X-axis clamping mechanical arm moves to a position close to a machining position, the second motor is closed, the first motor is started, a motor shaft of the first motor drives the first gear to rotate, the first gear drives the second straight rack meshed with the first gear to move in the horizontal direction, and the second strip-shaped sliding block moves in the horizontal direction along the horizontal sliding column, so that the third sliding table and the horizontal clamping component move in the horizontal direction;
s3, when the horizontal clamping component moves to a position close to the processing position, the first motor is closed, the third motor is started, a motor shaft of the third motor drives the third gear to rotate, and the third gear drives the third straight rack meshed with the third gear to move in the horizontal direction, so that the horizontal clamping component moves in the horizontal direction;
s4, when the horizontal clamping component moves to the position to be machined, the part to be machined or the machined part is sleeved in the clamping hole, the clamping arm tightly clamps the part, and a turning tool of a lathe can conveniently machine the part or move the machined part.
The invention has the beneficial effects that:
1. the invention relates to a high-precision mechanical arm for a lathe, which comprises a support arranged on a lathe table, a Y-axis mechanical arm arranged at one end of the support and on the lathe, wherein the Y-axis mechanical arm is close to the side wall of a working area, and an X-axis clamping mechanical arm arranged on the Y-axis mechanical arm and far away from the outer side of the support; the mechanical arm is used for clamping a part to be machined and then accurately moving the part to be machined to a working area of a lathe in the horizontal direction and the vertical direction, so that a turning tool in the working area can be used for turning. Specifically, a motor shaft of a second motor drives a second gear to rotate, the second gear drives a first straight rack meshed with the second gear to move in the vertical direction, and a first elongated slider moves in the vertical direction along a vertical sliding column, so that a sliding seat and an X-axis clamping mechanical arm move in the vertical direction; a motor shaft of the first motor drives the first gear to rotate, the first gear drives the second straight rack meshed with the first gear to move in the horizontal direction, and the second strip-shaped sliding block moves in the horizontal direction along the horizontal sliding column, so that the third sliding table and the horizontal clamping component move in the horizontal direction; a motor shaft of a third motor drives a third gear to rotate, and the third gear drives a third straight rack meshed with the third gear to move in the horizontal direction, so that the horizontal clamping part moves in the horizontal direction; when the horizontal clamping part moves to the position to be machined, the part to be machined or the machined part is sleeved in the clamping hole, the clamping arm tightly clamps the part, and a turning tool of a lathe is convenient to machine the part or move the machined part. The mechanical arm improves the moving accuracy and moving efficiency of parts machined by the lathe, and greatly improves the working efficiency of the lathe.
2. The horizontal clamping component comprises two clamping side plates, clamping seats and clamping arms, wherein the two clamping side plates are vertically arranged and are respectively fixed on the outer sides of the two clamping seats, a sliding groove is formed in the bottom of each clamping seat, the clamping arms are integrally U-shaped, the upper ends of the clamping arms are in sliding connection with the sliding grooves, the lower ends of the clamping arms enclose a circular clamping hole, the shape of the clamping hole can be adaptively adjusted according to the cross-sectional area of a part to be machined, and the sliding grooves in the bottoms of the clamping seats facilitate stable clamping of the clamping arms on the part.
3. When the distance between the top of the second sliding table and the first position sensor and the distance between the top of the second sliding table and the second position sensor at the bottom of the sliding seat are 3-5cm, the first position sensor and the second position sensor can generate signals and transmit the signals to the PLC controller, and the PLC controller sends alarm signals to the alarm lamp and controls the second motor to be turned off; when the distance between the side wall of the sliding seat and the third position sensor and the distance between the side wall of the sliding seat and the fourth position sensor are 3-5cm, the third position sensor and the fourth position sensor can generate signals and transmit the signals to the PLC, the PLC sends alarm signals to the alarm lamp and controls the first motor to be turned off, the PLC accurately controls the moving distance and gives an alarm, the safety of the mechanical arm is greatly improved, and the safety accidents of lathe operation are avoided.
Drawings
The invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic view of an assembly structure of a high-precision robot arm and a lathe according to the present invention.
FIG. 2 is a schematic view of the assembly structure of the X-axis clamping robot and the Y-axis robot according to the present invention.
Fig. 3 is an enlarged view of a portion of the invention at a in fig. 2.
FIG. 4 is a schematic view of an alternative view of the X-axis clamp robot and the Y-axis robot assembly of the present invention.
FIG. 5 is an assembled partial cross-sectional view of an X-axis clamp robot and a Y-axis robot of the present invention.
FIG. 6 is a schematic view of the assembly structure of the Y-axis robot arm and the second straight rack according to the present invention.
Figure 7 is a partial cross-sectional view of the Y-axis robotic arm of the present invention.
Fig. 8 is a three-dimensional view of the horizontal clamping member of the present invention.
Fig. 9 is a bottom view of the horizontal clamping member of the present invention.
In the figure: 100. turning a lathe; 200. a support; 300. a working area; 400. a Y-axis mechanical arm; 410. a first slide table; 411. a first position sensor; 412. a second position sensor; 420. a sliding seat; 421. an alarm lamp; 422. a first motor; 423. a second motor; 424. a first gear; 425. a second gear; 426. a first elongated slider; 430. a first tow chain; 440. a PLC controller; 450. a vertical sliding column; 460. a first straight rack; 500. the X-axis clamps the mechanical arm; 510. a second sliding table; 511. a third position sensor; 512. a fourth position sensor; 513. a second elongated slider; 514. a third drag chain; 515. a fixing frame; 520. a second tow chain; 530. a third sliding table; 531. a third straight rack; 532. a third motor; 533. a third gear; 540. a horizontal clamping member; 541. clamping the side plate; 542. a clamping seat; 543. a clamp arm; 544. a clamping hole; 550. a horizontal sliding column; 560. a second straight rack; 570. and (7) connecting the shafts.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-9, the present embodiment provides a high precision robot for a lathe, which includes a support 200 disposed on a table of a lathe 100, a Y-axis robot 400 disposed at one end of the support 200 and on the lathe 100 near a sidewall of a work area 300, and an X-axis clamping robot 500 disposed on the Y-axis robot 400 and far away from an outer side of the support 200. The mechanical arm is used for clamping a part to be machined and then accurately moving the part to be machined to a working area 300 of the lathe 100 in the horizontal and vertical directions, so that a turning tool in the working area 300 can be turned.
Specifically, the Y-axis mechanical arm 400 includes a first sliding table 410, a sliding seat 420 and a first drag chain 430, the first sliding table 410 is in a rectangular shape, the top of the first sliding table is provided with a PLC controller 440, two vertical sliding columns 450 are symmetrically arranged on two sides of the outer wall far away from the support 200, a first straight rack 460 is arranged between the two vertical sliding columns 450, the top of the first straight rack 460 is provided with a first position sensor 411, and the bottom of the first straight rack 460 is provided with a second position sensor 412. The shell of sliding seat 420 is the cuboid form, and the outer wall is equipped with alarm lamp 421, is equipped with vertical upwards extending first motor 422 and the horizontal inwards extending second motor 423 in sliding seat 420, and the motor shaft of first motor 422 is connected with first gear 424, and the inner wall that sliding seat 420 was run through to the motor shaft of second motor 423 is connected with second gear 425, and the second gear meshes with first straight-line rack 460. Two rows of first elongated sliding blocks 426 are arranged on the outer surface of the inner wall of the sliding seat 420, and the two rows of first elongated sliding blocks 426 are respectively connected with the vertical sliding column 450 in a sliding manner.
The X-axis clamp robot 500 includes a second slide table 510, a second drag chain 520, a third slide table 530, and a horizontal clamp member 540, wherein the second slide table 510 is rectangular and is disposed on the top of the first slide table 410, and the second drag chain 520 is disposed on the top of the first slide table 410 and outside the second slide table 510. The bottom surface of the second sliding table 510 is provided with two horizontal sliding columns 550, and a second straight rack 560 is arranged between the two horizontal sliding columns 550. A third position sensor 511 is arranged at one end of the bottom of the second sliding table 510, a fourth position sensor 512 is arranged at the other end of the bottom of the second sliding table, and the first gear 424 is meshed with the second straight rack 560. Two rows of second elongated sliding blocks 513 are arranged on the outer surface of the bottom of the sliding seat 420, and the two rows of second elongated sliding blocks 513 are respectively connected with the horizontal sliding column 550 in a sliding manner. The third sliding table 530 is disposed at an end of the second sliding table 510 away from the first sliding table 410, and an included angle between the third sliding table 530 and the second sliding table 510 is 90 °.
One end of the third sliding table 530 is connected to a third drag chain 514 and a fixing frame 515 is installed through the third drag chain, and the other end is connected to a horizontal clamping member 540. A third straight rack 531 is disposed on the third sliding table 530 near the sidewall of the second sliding table 510. The side wall of the fixed frame 515 is connected with a third motor 532, the motor shaft of the third motor 532 penetrates through the wall of the fixed frame 515 and is connected with a third gear 533, and the third gear 533 is meshed with the third straight rack 531. The third sliding table 530 is connected to the horizontal clamping member 540 by a connecting shaft 570 and fastened by bolts. Horizontal clamping part 540 includes centre gripping curb plate 541, grip slipper 542, centre gripping arm 543, and two vertical settings of centre gripping curb plate 541 just fix respectively in the outside of two grip slipper 542, and the bottom of grip slipper 542 is equipped with the spout, and the whole U type that is and upper end and spout sliding connection that is of grip slipper 543, the lower extreme encloses to close and is circular shape centre gripping hole 544.
The PLC controller 440 is electrically connected to the first position sensor 411, the second position sensor 412, the third position sensor 511, the fourth position sensor 512, and the warning lamp 421, and the PLC controller 440 is electrically connected to the first motor 422, the second motor 423, and the third motor 532. When the distance between the top of the second sliding table 510 and the first position sensor 411 and the distance between the bottom of the sliding seat 420 and the second position sensor 412 are 3-5cm, the first position sensor 411 and the second position sensor 412 generate signals and transmit the signals to the PLC controller 440, and the PLC controller 440 sends an alarm signal to the alarm lamp 421 and controls the second motor 423 to be turned off; when the distance between the side wall of the sliding seat 420 and the third position sensor 511 and the fourth position sensor 512 is 3-5cm, the third position sensor 511 and the fourth position sensor 512 generate signals and transmit the signals to the PLC controller 440, and the PLC controller sends an alarm signal to the alarm lamp 421 and controls the first motor 422 to be turned off.
The high-precision mechanical arm for the lathe of the embodiment has the following working method:
s1, turning on the second motor 423, wherein a motor shaft of the second motor 423 drives the second gear 425 to rotate, the second gear 425 drives the first straight rack 460 engaged with the second gear to move in the vertical direction, and the first elongated slider 426 moves in the vertical direction along the vertical sliding column 450, so that the sliding seat 420 and the X-axis clamping mechanical arm 500 move in the vertical direction;
s2, when the X-axis clamping robot 500 moves to a position close to the processing position, the second motor 423 is turned off, the first motor 422 is turned on, the motor shaft of the first motor 422 drives the first gear 424 to rotate, the first gear 424 drives the second straight rack 560 engaged with the first gear to move in the horizontal direction, and the second elongated slider 513 moves in the horizontal direction along the horizontal sliding column 550, so that the third sliding table 530 and the horizontal clamping member 540 move in the horizontal direction;
s3, when the horizontal clamping component 540 moves to the position close to the processing position, the first motor 422 is turned off, the third motor 532 is turned on, the motor shaft of the third motor 532 drives the third gear 533 to rotate, and the third gear 533 drives the third straight rack 531 engaged with the third gear to move in the horizontal direction, so that the horizontal clamping component 540 moves in the horizontal direction;
s4, when the horizontal clamping component 540 moves to the position to be processed, the part to be processed or the part to be processed is sleeved in the clamping hole 544, the part is tightly clamped by the clamping arm 543, and the part is conveniently processed or the part to be processed is moved away by a turning tool of a lathe.
When the distance between the top of the second sliding table 510 and the first position sensor 411 and the distance between the bottom of the sliding seat 420 and the second position sensor 412 are 3-5cm, the first position sensor 411 and the second position sensor 412 generate signals and transmit the signals to the PLC controller 440, and the PLC controller 440 sends an alarm signal to the alarm lamp 421 and controls the second motor 423 to be turned off; when the distance between the side wall of the sliding seat 420 and the third position sensor 511 and the fourth position sensor 512 is 3-5cm, the third position sensor 511 and the fourth position sensor 512 generate signals and transmit the signals to the PLC controller 440, and the PLC controller sends an alarm signal to the alarm lamp 421 and controls the first motor 422 to be turned off. The PLC 440 accurately controls and gives an alarm for the moving distance, so that the safety of the mechanical arm is greatly improved, and the safety accident of lathe operation is avoided.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is illustrative and explanatory only and is not intended to be exhaustive or to limit the invention to the precise embodiments described, and various modifications, additions, and substitutions may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the claims.
Claims (8)
1. A high-precision mechanical arm for a lathe comprises a support (200) arranged on a table top of the lathe (100), a Y-axis mechanical arm (400) arranged at one end of the support (200) and on the lathe (100) and close to the side wall of a working area (300), and an X-axis clamping mechanical arm (500) arranged on the Y-axis mechanical arm (400) and far away from the outer side of the support (200), and is characterized in that the Y-axis mechanical arm (400) comprises a first sliding table (410), a sliding seat (420) and a first drag chain (430), two vertical sliding columns (450) are symmetrically arranged on two sides of the outer wall far away from the support (200), and a first straight rack (460) is arranged between the two vertical sliding columns (450);
the X-axis clamping mechanical arm (500) comprises a second sliding table (510), a second drag chain (520), a third sliding table (530) and a horizontal clamping component (540), the second sliding table (510) is cuboid and is arranged at the top of the first sliding table (410), and the second drag chain (520) is arranged at the top of the first sliding table (410) and the outer side of the second sliding table (510); the bottom surface of the second sliding table (510) is provided with two horizontal sliding columns (550), and a second straight rack (560) is arranged between the two horizontal sliding columns (550);
one end of the third sliding table (530) is connected with a third drag chain (514) and penetrates through a fixed frame (515), and the other end of the third sliding table is connected with a horizontal clamping component (540); a third straight rack (531) is arranged on the side wall, close to the second sliding table (510), of the third sliding table (530); the side wall of the fixed frame (515) is connected with a third motor (532), a motor shaft of the third motor (532) penetrates through the wall of the fixed frame (515) and then is connected with a third gear (533), and the third gear (533) is meshed with a third straight rack (531); the third sliding table (530) is connected to the horizontal clamping member (540) by a connecting shaft (570) and fastened by a bolt.
2. The high-precision mechanical arm for the lathe as claimed in claim 1, wherein the first sliding table (410) is rectangular parallelepiped, and a PLC controller (440) is arranged at the top; the top of the first straight rack (460) is provided with a first position sensor (411), and the bottom of the first straight rack (460) is provided with a second position sensor (412).
3. The high-precision mechanical arm for the lathe is characterized in that the PLC (440) is electrically connected with a first position sensor (411), a second position sensor (412), a third position sensor (511), a fourth position sensor (512) and a warning lamp (421), and the PLC (440) is electrically connected with a first motor (422), a second motor (423) and a third motor (532); when the distance between the top of the second sliding table (510) and the first position sensor (411) and the distance between the top of the second sliding table (510) and the bottom of the sliding seat (420) and the second position sensor (412) are 3-5cm, the first position sensor 411 and the second position sensor (412) generate signals and transmit the signals to the PLC controller (440), and the PLC controller (440) sends an alarm signal to the alarm lamp (421) and controls the second motor (423) to be turned off; when the distance between the side wall of the sliding seat (420) and the third position sensor (511) and the distance between the side wall of the sliding seat and the fourth position sensor (512) are 3-5cm, the third position sensor (511) and the fourth position sensor (512) generate signals and transmit the signals to the PLC controller (440), and the PLC controller sends an alarm signal to the alarm lamp (421) and controls the first motor (422) to be turned off.
4. The high-precision mechanical arm for the lathe is characterized in that a shell of the sliding seat (420) is cuboid, an alarm lamp (421) is arranged on the outer wall of the shell, a first motor (422) extending vertically and upwards and a second motor (423) extending horizontally and inwards are arranged in the sliding seat (420), a motor shaft of the first motor (422) is connected with a first gear (424), a motor shaft of the second motor (423) penetrates through the inner wall of the sliding seat (420) to be connected with a second gear (425), and the second gear is meshed with the first straight rack (460); two rows of first elongated sliding blocks (426) are arranged on the outer surface of the inner wall of the sliding seat (420), and the two rows of first elongated sliding blocks (426) are respectively in sliding connection with the vertical sliding column (450).
5. The high-precision mechanical arm for the lathe according to claim 1, wherein a third position sensor (511) is arranged at one end of the bottom of the second sliding table (510), a fourth position sensor (512) is arranged at the other end of the bottom of the second sliding table, and the first gear (424) is meshed with the second straight rack (560).
6. The high-precision mechanical arm for the lathe is characterized in that the bottom outer surface of the sliding seat (420) is provided with two rows of second elongated sliding blocks (513), and the two rows of second elongated sliding blocks (513) are respectively connected with the horizontal sliding column (550) in a sliding mode; the third sliding table (530) is arranged at one end, far away from the first sliding table (410), of the second sliding table (510), and the included angle between the third sliding table (530) and the second sliding table (510) is 90 degrees.
7. The high-precision mechanical arm for the lathe according to claim 1, wherein the horizontal clamping component (540) comprises two clamping side plates (541), two clamping seats (542) and two clamping arms (543), the two clamping side plates (541) are vertically arranged and fixed at the outer sides of the two clamping seats (542), a sliding groove is formed in the bottom of the clamping seat (542), the clamping arms (543) are U-shaped as a whole, the upper ends of the clamping arms are slidably connected with the sliding groove, and the lower ends of the clamping arms enclose a circular clamping hole (544).
8. A working method of a high-precision mechanical arm for a lathe is characterized by comprising the following steps:
s1, starting a second motor (423), driving a second gear (425) to rotate by a motor shaft of the second motor (423), driving a first straight rack (460) meshed with the second gear (425) to move in the vertical direction by the second gear (425), and moving a first long-strip-shaped sliding block (426) in the vertical direction along a vertical sliding column (450), so that a sliding seat (420) and an X-axis clamping mechanical arm (500) move in the vertical direction;
s2, when the X-axis clamping mechanical arm (500) moves to a position close to a machining position, the second motor (423) is turned off, the first motor (422) is turned on, a motor shaft of the first motor (422) drives the first gear (424) to rotate, the first gear (424) drives the second straight rack (560) meshed with the first gear to move in the horizontal direction, and the second elongated slider (513) moves in the horizontal direction along the horizontal sliding column (550) so that the third sliding table (530) and the horizontal clamping component (540) move in the horizontal direction;
s3, when the horizontal clamping component (540) moves to the position close to the processing position, the first motor (422) is closed, the third motor (532) is started, the motor shaft of the third motor (532) drives the third gear (533) to rotate, and the third gear (533) drives the third straight rack (531) meshed with the third gear to move in the horizontal direction, so that the horizontal clamping component (540) moves in the horizontal direction;
s4, when the horizontal clamping component (540) moves to the position to be processed, the part to be processed or the part to be processed is sleeved in the clamping hole (544), the clamping arm (543) tightly clamps the part, and the part is conveniently processed or the part to be processed is moved away by a turning tool of a lathe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010239467.7A CN111283460A (en) | 2020-03-30 | 2020-03-30 | High-precision mechanical arm for lathe and working method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010239467.7A CN111283460A (en) | 2020-03-30 | 2020-03-30 | High-precision mechanical arm for lathe and working method thereof |
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| CN111283460A true CN111283460A (en) | 2020-06-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010239467.7A Pending CN111283460A (en) | 2020-03-30 | 2020-03-30 | High-precision mechanical arm for lathe and working method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105478804A (en) * | 2015-12-24 | 2016-04-13 | 杭州达易恒机器人科技有限公司 | Lathe truss manipulator and operation method thereof |
| CN105642919A (en) * | 2016-03-10 | 2016-06-08 | 温州职业技术学院 | Production assisting robot for numerical control machine tool |
| CN105798911A (en) * | 2016-05-13 | 2016-07-27 | 韩永亮 | Mechanical arm moving control system for automatic lathe |
| JP2017164828A (en) * | 2016-03-14 | 2017-09-21 | スターテクノ株式会社 | Machining head of workpiece machining robot |
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2020
- 2020-03-30 CN CN202010239467.7A patent/CN111283460A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105478804A (en) * | 2015-12-24 | 2016-04-13 | 杭州达易恒机器人科技有限公司 | Lathe truss manipulator and operation method thereof |
| CN105642919A (en) * | 2016-03-10 | 2016-06-08 | 温州职业技术学院 | Production assisting robot for numerical control machine tool |
| JP2017164828A (en) * | 2016-03-14 | 2017-09-21 | スターテクノ株式会社 | Machining head of workpiece machining robot |
| CN105798911A (en) * | 2016-05-13 | 2016-07-27 | 韩永亮 | Mechanical arm moving control system for automatic lathe |
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Application publication date: 20200616 |