CN108637328B - Multistation board of high machining precision - Google Patents
Multistation board of high machining precision Download PDFInfo
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- CN108637328B CN108637328B CN201810504629.8A CN201810504629A CN108637328B CN 108637328 B CN108637328 B CN 108637328B CN 201810504629 A CN201810504629 A CN 201810504629A CN 108637328 B CN108637328 B CN 108637328B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C1/00—Milling machines not designed for particular work or special operations
- B23C1/08—Milling machines not designed for particular work or special operations with a plurality of vertical working-spindles
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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
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
- B23Q1/26—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members
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Abstract
The invention discloses a multi-station machine table with high processing precision, which comprises: a base; an operating mechanism; the device comprises a first sliding table, a second sliding table, a telescopic driving mechanism and a first rotary driving mechanism; the product carrier is arranged on the operating table through a positioning piece, a positioning cavity for mounting a workpiece is arranged in the middle of the product carrier in a penetrating mode, a first opening of the positioning cavity is erected on the mounting table, a first positioning hole is formed in the outer side wall of a first diagonal of the product carrier, and a second positioning hole is formed in the outer side wall of a second diagonal of the product carrier; the center of the first diagonal side wall is movably provided with a double-arm sliding block, the center of the double-arm sliding block extends outwards to form a linkage block, a telescopic head of the telescopic driving mechanism selectively extends into the first positioning hole and the second positioning hole, and the product carrier is provided with a locking mechanism capable of being screwed into the positioning cavity. The invention solves the technical problem of large processing error of a processing machine table.
Description
Technical Field
The invention relates to the technical field of automatic processing, in particular to a multi-station machine table with high processing precision.
Background
The existing mechanical processing equipment, such as a grinding machine, a cutting machine, a dispenser, etc., usually performs corresponding processing operations through a single-axis driving or multi-axis driving operating head, and moves the operating head with an operating component mounted thereon on a component to be processed to perform corresponding operations on the component.
Particularly, in the traditional milling process, a positioning block for clamping a workpiece to be processed needs to be positioned and installed on a processing machine table, a datum of the workpiece is processed firstly, then positioning or datum conversion is carried out according to a datum plane or a hole site processed in the previous procedure, then single-side processing is carried out, and after the single-side processing is finished, the workpiece needs to be taken out and installed again in the positioning block to carry out processing on the other single side.
The disadvantages of this processing equipment are: the positioning block needs to be replaced during each single-side machining, the workpiece is taken out and installed and positioned again, the continuity of workpiece machining is interrupted, the workpiece machining efficiency is reduced, meanwhile, the part machining error after the final machining is finished is increased due to multiple times of installation and positioning, and the part qualification rate is reduced.
Disclosure of Invention
An object of the present invention is to solve at least the above problems and to provide at least the advantages described later.
The invention also aims to provide a high-processing-precision multi-station machine table, which reduces the mounting and positioning processes of workpieces, realizes quick positioning and mounting of the workpieces on the processing machine table in a short time, improves the continuity of processing the workpieces and solves the technical problem of large processing errors of the processing machine table.
To achieve these objects and other advantages and in accordance with the purpose of the invention, a multi-station machine with high processing accuracy is provided, comprising:
the base is arranged on the machine table, at least one first Z-axis mechanical arm is erected on the base, and a Y-axis guide rail is arranged on the base;
the operating mechanism is longitudinally arranged on the moving end of the first Z-axis mechanical arm;
the first sliding table is movably arranged on the Y-axis guide rail, an X-axis guide rail is arranged on the first sliding table, a second sliding table is arranged on the X-axis guide rail in a sliding mode, a rotating seat is arranged in the center of the second sliding table, a lifting mechanism is arranged on the rotating seat, an operation table is arranged at the lifting end of the lifting mechanism, a plurality of positioning pieces are arranged on the operation table, an installation table is arranged on the inner sides of the positioning pieces, the center of the installation table is hollow, a telescopic driving mechanism is respectively arranged on the second sliding tables on the front side and the rear side of the operation table, and a first rotary driving mechanism is arranged at the telescopic end of the telescopic driving mechanism; and
the product carrier is arranged on the operating table through the positioning piece, a positioning cavity for mounting a workpiece is arranged in the middle of the product carrier in a penetrating mode, a first opening of the positioning cavity is erected on the mounting table, a first positioning hole is formed in the outer side wall of a first diagonal of the product carrier, and a second positioning hole is formed in the outer side wall of a second diagonal of the product carrier;
the product carrier is characterized in that a double-arm sliding block is movably arranged at the center of the first diagonal side wall, the double-arm sliding block transversely penetrates through the inner side wall of the product carrier, a linkage block outwards extends from the center of the double-arm sliding block, the linkage block penetrates through the outer side wall of the product carrier, the first positioning hole is formed in the outer side wall of the linkage block, a telescopic head of the telescopic driving mechanism selectively extends into the first positioning hole and the second positioning hole, and a locking mechanism capable of being screwed into the positioning cavity is arranged on the product carrier.
Preferably, the Y-axis guide rail is arranged at the lower end of the first Z-axis mechanical arm, and at least one first sliding table is arranged on the Y-axis guide rail in a sliding manner; the first sliding table is movably arranged on the Y-axis guide rail through a Y-axis driving mechanism, and a first locking mechanism used for locking the first sliding table on the Y-axis guide rail is arranged at the bottom of the first sliding table;
the second sliding table is movably arranged on the X-axis guide rail through an X-axis driving mechanism, and a second locking mechanism used for locking the second sliding table on the X-axis guide rail is arranged at the bottom of the second sliding table.
Preferably, the base is further provided with at least one second Z-axis mechanical arm, and a visual calibration mechanism is arranged at the moving end of the second Z-axis mechanical arm.
Preferably, vertically be provided with a plurality of location platforms on the operation panel, location platform upper end protrusion is provided with a location pillar, the setting element comprises location platform and location pillar, the external diameter of location platform is greater than the external diameter of location pillar, vertically be provided with a second rotary driving mechanism in the location pillar, the axis of rotation of second rotary driving mechanism upwards extends location pillar certain distance, second rotary driving mechanism's axis of rotation is partial to the mount table sets up, just transversely be provided with a sector in second rotary driving mechanism's the axis of rotation, the length of sector is in between the radius and the diameter of location pillar.
Preferably, the product carrier is longitudinally provided with a plurality of third positioning holes in a penetrating manner, the inner diameter of each third positioning hole is between the outer diameters of the positioning support and the positioning table, and the product carrier is mounted on the positioning table through the third positioning holes.
Preferably, a first guide groove is formed in the outer side wall of the first diagonal of the product carrier, the linkage block is movably arranged in the first guide groove, the first guide groove is located in the center of the outer side wall of the product carrier, and the first positioning hole is formed in the center of the outer side wall of the linkage block.
Preferably, a second guide groove is formed in the inner side wall of a first diagonal of the product carrier, the second guide groove is a diagonal structure communicated with the first guide groove, the double-arm sliding block is movably arranged in the second guide groove, the linkage block is connected with the diagonal center of the double-arm sliding block, the second guide groove is located in the center of the inner side wall of the product carrier at the position, and the included angle between the double-arm sliding blocks is correspondingly consistent with the included angle in the positioning cavity.
Preferably, the first positioning hole and the second positioning hole are rectangular holes, a cavity is formed in the side wall of the first guide groove, a first elastic piece is arranged in the cavity, the first end of the first elastic piece is connected with the inside of the cavity, and the second end of the first elastic piece is connected with the side wall of the linkage block.
Preferably, the third positioning hole is a circular hole, two ends of the third positioning hole are respectively provided with a groove, the fan-shaped block is movably arranged in the grooves, the product carrier is provided with a through hole penetrating through the positioning cavity and the grooves, the through hole is vertical to the length direction of the third positioning hole, and the locking mechanism is movably arranged in the through hole;
the locking mechanism includes:
the shifting block is movably arranged in the through hole, and the length of the shifting block is greater than that of the through hole;
the second elastic piece is sleeved on the shifting block, the first end of the second elastic piece is connected with the inner wall of the through hole, and the second end of the second elastic piece is fixed with the shifting block.
Preferably, the operation panel is fixed elevating system lift end upper surface, arbitrary side is provided with a first support that is used for placing the work piece about the second slip table, both sides are provided with a second support respectively around the second slip table, flexible actuating mechanism transversely sets up the second support, first rotary driving mechanism sets up flexible actuating mechanism's flexible is served, first rotary driving mechanism's output head selectivity stretches into in first locating hole and the second locating hole.
The invention at least comprises the following beneficial effects:
1. the mounting and positioning processes of the workpiece and the machining process are reduced, the position matching tolerance of the workpiece and the machining machine table is small, the machining error is reduced, and the product yield is improved;
2. by adopting the same positioning block, the workpiece is not disassembled, the tolerance deviation accumulation of the position of the workpiece installed again is avoided, the clamping times in the machining process are shortened, the accumulated tolerance is reduced, and the clamping efficiency is improved;
3. the automatic overturning and positioning process of the workpiece is realized, the same machine table can be used for carrying out front and back surface processing on the workpiece, and the processing efficiency of the workpiece is improved.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
FIG. 1 is a schematic view of a machine according to the present invention;
FIG. 2 is a schematic view of an installation configuration of the product carrier;
FIG. 3 is an enlarged schematic view of a portion A of FIG. 1;
FIG. 4 is a schematic view of a product carrier configuration with the dual-arm slide not extended;
FIG. 5 is a schematic diagram of a product carrier with the dual arm slide extended;
FIG. 6 is a schematic view of a linkage block mounting structure;
FIG. 7 is a schematic view of a product carrier with the paddle not extended;
FIG. 8 is an enlarged view of a portion B of FIG. 7;
FIG. 9 is a schematic view of a product carrier with the paddle extended;
fig. 10 is an enlarged schematic view of a portion C in fig. 9.
Detailed Description
The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.
It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.
As shown in fig. 1-10, a multistation board of high machining precision, pedestal mounting is on the processing board, erect a first Z axle arm 620 on the base at least, be provided with a Y axle guide rail 200 on the base, Y axle guide rail 200 sets up first Z axle arm 620 lower extreme, operating device 621 vertically sets up on the removal end of first Z axle arm 620 for operating device 621 activity sets up in Y axle guide rail 200 upper end, is provided with an operating device 621 on every first Z axle arm 620, is in simultaneously the last removal of Y axle guide rail 200 is provided with two first slip tables 800 to form the duplex position processing board, two operating device 621 carry out the processing operation simultaneously, improve the production efficiency of processing board.
In this embodiment, the operating mechanism 621 is a carving and milling machine, and mainly performs cutting processing on a workpiece, and a milling cutter 622 for processing the workpiece is disposed at the lower end of the operating mechanism 621.
Be provided with an X axle guide rail 100 on the first slip table 800, it is provided with a second slip table 500 to slide on the X axle guide rail 100, first slip table 800 removes through a Y axle actuating mechanism and sets up on the Y axle guide rail 200, drives first slip table 800 through Y axle actuating mechanism and removes on Y axle guide rail 200, is in simultaneously first slip table 800 bottom is provided with one and is used for with first slip table 800 locks in first locking mechanism on Y axle guide rail 200, when first slip table 800 removes the back that targets in place, locks first slip table 800 on Y axle guide rail 200 through first locking mechanism, avoids causing machining error because of first slip table 800 removes in to the work piece course of working to improve the machining precision of work piece, when needing to carry out the secondary motion to first slip table 800, then loosen first locking mechanism, first slip table 800 resumes freely.
Similarly, the second sliding table 500 is movably disposed on the X-axis guide rail 100 through an X-axis driving mechanism, the second sliding table 500 is driven to move on the X-axis guide rail 100 through the X-axis driving mechanism, and a second locking mechanism for locking the second sliding table 500 on the X-axis guide rail 100 is disposed at the bottom of the second sliding table 500, so that after the second sliding table 500 is moved in place, the second sliding table 500 is locked on the X-axis guide rail 100 through the second locking mechanism, thereby avoiding a machining error caused by the movement of the second sliding table 500 in the workpiece machining process, thereby improving the machining accuracy of the workpiece, when the second sliding table 500 needs to be moved again, the second locking mechanism is released, and the second sliding table 500 recovers to be free.
The center of the second sliding table 500 is provided with a rotating base 700, the rotating base 700 is provided with a lifting mechanism 710, the lifting end of the lifting mechanism 710 is provided with an operating platform 530, and the operating platform 530 is fixed on the upper surface of the lifting end of the lifting mechanism 710 and moves synchronously with the second sliding table 500, namely moves freely in the directions of XYZ axes, and can rotate synchronously with the second sliding table 500.
The operation table 530 is provided with a plurality of positioning members for positioning and mounting the product carrier 400 with the workpiece mounted thereon on the operation table 530. Specifically, a plurality of positioning tables 531 are longitudinally arranged on the operating table 530, a positioning pillar 532 is arranged at the upper end of each positioning table 531 in a protruding mode, each positioning piece is composed of the corresponding positioning table 531 and the corresponding positioning pillar 532, and the outer diameter of each positioning table 531 is larger than the outer diameter of the corresponding positioning pillar 532.
Correspondingly, the product carrier 400 is installed on the operating platform 530 through the positioning element, specifically, the product carrier 400 is longitudinally provided with a plurality of third positioning holes 410 in a penetrating manner, the inner diameter of the third positioning holes 410 is between the outer diameters of the positioning support column 532 and the positioning platform 531, and the product carrier 400 is installed on the positioning platform 531 through the third positioning holes 410, so that the positioning installation of the product carrier 400 is realized.
In the present embodiment, the product carrier 400 has a rectangular structure, three positioning holes 410 are formed on three opposite corners of the product carrier 400, and correspondingly, three positioning elements are disposed on the console 530, wherein the first opposite corner and the second opposite corner are disposed oppositely, and the third opposite corner and the fourth opposite corner are disposed oppositely, wherein the third positioning hole is not formed at the first opposite corner, and the product carrier 400 is positioned and mounted on the console by the three positioning elements.
Since the inner diameter of the third positioning hole 410 is between the outer diameters of the positioning support 532 and the positioning table 531, after the product carrier 400 is mounted, the bottom of the product carrier 400 abuts against the positioning table 531 instead of directly abutting against the operating table 530, and after the workpiece is mounted in the product carrier, the bottom of the workpiece can be suspended at the upper end of the operating table, so that the bottom of the workpiece is prevented from directly contacting with the operating table, and the bottom of the workpiece is prevented from being deformed due to stress during the machining process.
The second sliding table 500 on the front side and the rear side of the operating table 530 are respectively provided with a telescopic driving mechanism 511, and a first rotary driving mechanism 513 is arranged on the telescopic end of the telescopic driving mechanism 511.
Specifically, any side is provided with a first support 520 that is used for placing the work piece about second slip table 500, treats that the processing work piece is placed on year material tray 521 on first support 520 to in snatch the work piece and install and process in the product carrier, improve production efficiency.
A positioning cavity for mounting a workpiece is arranged in the middle of the product carrier 400 in a penetrating manner, a mounting table 540 is arranged on the inner side of each positioning piece, namely the mounting table 540 is mounted between the positioning pieces, the center of the mounting table 540 is hollow, after the product carrier 400 is mounted on the positioning table 531, the upper plane of the positioning table 531 is flush with the first opening of the positioning cavity, the hollow position corresponds to the positioning cavity up and down, a boss 541 is arranged on the mounting table 540 in a protruding manner, the boss 541 is arranged on the periphery of the hollow, the shape of the boss 541 is consistent with the periphery of the positioning cavity, the second outer surface of the workpiece is prevented from directly abutting against the operating table, after the product carrier is mounted in place, the product carrier abuts against the mounting table 540, the boss 541 extends into the first opening of the positioning cavity, and after the workpiece is mounted in the positioning cavity, the bottom of the product carrier bears the periphery, the workpiece is prevented from leaking from the positioning cavity, and meanwhile, the second outer surface of the workpiece is opened at the first opening of the positioning cavity, so that the processing of the second outer surface of the workpiece is not influenced.
Offer a first locating hole 442 on the first diagonal lateral wall of product carrier 400, offer a second locating hole 430 on the second diagonal lateral wall of product carrier, first diagonal lateral wall central point department of putting activity is provided with a double armed slider, double armed slider transversely runs through place product carrier inside wall, a linkage block 441 of outwards extending in double armed slider center, linkage block 441 runs through place product carrier outside wall, just first locating hole 442 sets up on the linkage block 441 outside wall.
Specifically, a first guide groove 440 is transversely formed in the outer side wall of a first diagonal of the product carrier 400, the length direction of the first guide groove 440 is consistent with the direction of a connecting line between the first diagonal and a second diagonal of the product carrier 400, the linkage block 441 is movably arranged in the first guide groove 440, the first guide groove 440 is located in the center of the outer side wall of the product carrier, and the first positioning hole 442 is arranged in the center of the outer side wall of the linkage block 441.
The double-arm slider is composed of a first single-arm slider 450 and a second single-arm slider 420, the first single-arm slider 450 and the second single-arm slider 420 are vertically connected to form a diagonal structure, a second guide groove is transversely formed in the inner side wall of a first diagonal of the product carrier 400, the second guide groove is a diagonal structure communicated with the first guide groove 440, the double-arm slider is movably arranged in the second guide groove, as shown in the figure, a first single-arm slider 450 is telescopically arranged on any one side wall of the first diagonal position of the product carrier 400 positioning cavity, a second single-arm slider 420 is telescopically arranged on the other side wall, and each single-arm slider transversely penetrates through the center of the side wall of the product carrier 400.
The linkage block 441 is connected with the diagonal centers of the double-arm sliders, when the linkage block 441 is controlled to extend and retract in the first guide groove 440, the double-arm sliders can be driven to extend and retract in the second guide groove, the second guide groove is located at the center of the inner side wall of the product carrier at the position, the included angle between the double-arm sliders is correspondingly consistent with the included angle in the positioning cavity, when the double-arm sliders extend out, namely the double-arm sliders extend into the positioning cavity, are butted with a workpiece installed in the positioning cavity and clamped at two ends of a diagonal of the workpiece, and when the double-arm sliders are driven to continue to extend out, the double-arm sliders gradually move the workpiece to the other diagonal in the positioning cavity until the workpiece is abutted against the other diagonal, so that the workpiece is fixed in the positioning cavity, and the workpiece is prevented from shaking to generate machining errors in the machining process.
The retractable heads of the retractable driving mechanisms 511 selectively extend into the first positioning hole 442 and the second positioning hole 430, where the first positioning hole 442 and the second positioning hole 430 are rectangular holes, and specifically, after a workpiece is mounted on a product carrier, the rotating base 700 is controlled to rotate, the position of the positioning element is adjusted to align with a third positioning hole on the product carrier, then the product carrier with the workpiece is mounted on the positioning element until the bottom of the workpiece abuts against the boss 541, then the rotating base 700 is controlled to rotate again, and the lifting height of the lifting mechanism 710 is adjusted until the retractable heads of the retractable driving mechanisms 511 at the front side and the rear side of the second sliding table align with the first positioning hole 442 and the second positioning hole 430, then the retractable heads of the retractable driving mechanisms 511 at the two sides are controlled to extend until the retractable heads are inserted into the first positioning hole 442 and the second positioning hole 430, and along with the increase of the insertion depth, the pushing linkage block 441 moves towards the inner side of the first guide groove 440, namely, the double-arm slider is pushed to move towards the positioning cavity until the pushing linkage block is in butt joint with a workpiece installed in the positioning cavity and clamped at two ends of one diagonal of the workpiece, when the double-arm slider is driven to continue to extend out, the double-arm slider gradually moves the workpiece towards the other diagonal of the positioning cavity until the workpiece is abutted against the other diagonal, so that the workpiece is fixed in the positioning cavity, and the workpiece is prevented from shaking to generate a machining error in the machining process.
A concave cavity is formed in the side wall of the first guide groove 440, a first elastic member is arranged in the concave cavity, in the embodiment, the first elastic member is a tension spring, the second elastic member is a compression spring, the first end of the first elastic member is connected with the inside of the concave cavity, the second end of the first elastic member is connected with the side wall of the linkage block 441, specifically, a convex block is arranged on the side wall of the linkage block 441 in a protruding mode, the convex block moves in the concave cavity, and the second end of the first elastic member is connected with the convex block; under normal conditions, under the effect of extension spring, first single armed slider and second single armed slider are in the shrink state, and the medial extremity of first single armed slider and second single armed slider does not bulge in the inside wall of product carrier, that is to say first single armed slider and second single armed slider do not transversely stretch into the location chamber for the work piece can be smoothly installed in the location chamber from location chamber second opening part, until the bottom by boss 541 support to live, avoid the work piece to spill.
Then, controlling the two telescopic driving mechanisms to act, extending respective telescopic heads into a first positioning hole 442 and a second positioning hole 430 corresponding to the side wall of the product carrier where the respective telescopic heads are located, wherein the first positioning hole 442 and the second positioning hole 430 are consistent in size, wherein a rectangular joint 514 corresponding to the first positioning hole 442 and the second positioning hole 430 is respectively arranged on an output head of the first rotary driving mechanism 513, controlling the telescopic heads of the telescopic driving mechanisms to extend until the respective rectangular joints 514 extend into the corresponding first positioning hole 442 and second positioning hole 430, pushing the double-arm sliding block to move towards the positioning cavity until the double-arm sliding block abuts against the side wall of the workpiece, positioning the workpiece in the positioning cavity, and simultaneously fixing the position of the product carrier in a plane to avoid shaking.
Specifically, the telescopic head of the telescopic driving mechanism pushes the double-arm slide block towards the positioning cavity until the double-arm slide block transversely protrudes out of the inner side wall of the product carrier for a certain distance, namely the first single-arm slide block and the second single-arm slide block transversely extend into the positioning cavity and abut against the side wall of the workpiece, the workpiece is abutted against the other two side walls of the positioning cavity, so that the workpiece is fixed in the plane of the positioning cavity, the workpiece is prevented from shaking in the plane, meanwhile, the workpiece is prevented from leaking from the second opening of the positioning cavity in the overturning process, in the inward transverse moving process of the first single-arm slide block and the second single-arm slide block, the tension spring is stretched, and after the telescopic driving mechanism is contracted and reset, the first single-arm slide block and the second single-arm slide block reset under the action of the tension.
In this embodiment, a locking mechanism is disposed on the product carrier and is capable of being screwed into the positioning cavity. Specifically, a second rotation driving mechanism is longitudinally arranged in the positioning support column 532, a rotation shaft 533 of the second rotation driving mechanism extends upwards to a certain distance from the positioning support column, the rotation shaft 533 of the second rotation driving mechanism is arranged to be deviated from the mounting table to form a structure similar to an eccentric wheel, a sector 534 is transversely arranged on the rotation shaft 533 of the second rotation driving mechanism, and the length of the sector 534 is between the radius and the diameter of the positioning support column 532. In the normal position, since the rotating shaft 533 is eccentrically disposed on the positioning post 532, the segment 534 does not protrude from the positioning post 532, and the insertion of the positioning post 532 into the third positioning hole is prevented from being hindered. When the sector 534 is rotated, the sector 534 may be projected a distance from the positioning post 532, i.e., laterally into the third positioning hole.
In the above technical solution, the third positioning hole 410 is a circular hole, two ends of the third positioning hole are respectively provided with a groove 411, 412, and when the fan-shaped block 534 is driven to rotate, the outer end of the fan-shaped block 534 moves into the groove. Specifically, when the first opening of the positioning cavity is facing downward, segment 534 moves in groove 411, and when the second opening of the positioning cavity is facing downward, segment 534 moves in groove 412.
The product carrier is provided with a through hole which penetrates through the positioning cavity and the groove, the through hole is vertical to the length direction of the third positioning hole, and the locking mechanism is movably arranged in the through hole. Specifically, the locking mechanism includes: a dial 414 and a second elastic member 413. The shifting block 414 is movably arranged in the through hole, and the length of the shifting block 414 is greater than that of the through hole; the second elastic member 413 is sleeved on the shifting block 414, a first end of the second elastic member 413 is connected with the inner wall of the through hole, and a second end of the second elastic member 413 is fixed with the shifting block 414. When the second elastic member 413 is a pressure spring and is in a normal state, the first end of the shifting block 414 protrudes out of the groove for a certain distance, and the protruding distance of the shifting block 414 in the groove is smaller than the depth of the groove, so that the influence on the insertion of the positioning support into the third positioning hole is avoided, and the second end of the shifting block 414 is completely located in the through hole, so that the influence on the installation of the workpiece into the positioning cavity is avoided. When the second rotary driving mechanism drives the sector 534 to rotate outwards, the sector 534 contacts with the first end of the shifting block 414, and pushes the second end of the shifting block 414 to extend into the positioning cavity, the upper and lower ends of each diagonal side wall of the workpiece are respectively provided with a corresponding butt-joint slot hole, after the workpiece is installed in the positioning cavity, the butt-joint slot hole corresponds to the through hole, the butt-joint slot hole is inclined from outside to inside towards the outer side of the workpiece, when the second end of the shifting block 414 extends into the positioning cavity, the second end of the shifting block 414 extends into the corresponding butt-joint slot hole, and as the shifting block 414 continues to extend into the butt-joint slot hole, the butt-joint slot hole is inclined from outside to inside towards the outer side of the workpiece, namely the outer end of the butt-joint slot hole is inclined downwards, therefore, as the shifting block 414 extends into, the shifting block 414 presses the whole workpiece to move downwards, namely presses the workpiece towards the first opening of the, the workpiece is fixed in the positioning cavity, and the longitudinal gap of the workpiece in the positioning cavity is eliminated, so that the machining precision of the workpiece is improved. During the extension process of the shifting block 414, the pressure spring is compressed, and after the sector 534 is reset, the shifting block 414 is reset under the action of the pressure spring.
In this embodiment, the base is further provided with at least one second Z-axis mechanical arm 300, the moving end of the second Z-axis mechanical arm 300 is provided with a visual calibration mechanism 610 and a light source 611, the light source 611 is provided with the lower end of the visual calibration mechanism 610, the visual calibration mechanism 610 and the light source 611 are moved by the second Z-axis mechanical arm 300, the visual calibration mechanism 610 and the light source 611 are aligned to the workpiece by matching with the movement of the first sliding table and the second sliding table, the workpiece mounted on the operating table is visually positioned, and the workpiece can be precisely machined by the operating mechanism 621 after the positioning is completed.
In this embodiment, the double-station processing machine is further provided with another first Z-axis mechanical arm 640 and another vision calibration mechanism 630, as shown in the figure, the double-station independent processing machine is formed, and the processing efficiency is improved.
The working process of the whole processing machine table is as follows:
the product carrier is suspended and installed on the positioning table 531 through the third positioning hole and the positioning piece, the workpiece is installed in the positioning cavity of the product carrier through the sample sucking head, after the workpiece is installed on the product carrier, the rotating seat 700 is controlled to rotate, the position of the positioning piece is adjusted to be aligned with the third positioning hole on the product carrier, then the product carrier with the workpiece is installed on the positioning piece until the bottom of the workpiece is abutted against the boss 541, then the rotating seat 700 is controlled to rotate again, the lifting height of the lifting mechanism 710 is adjusted until the telescopic heads of the telescopic driving mechanisms 511 at the front side and the rear side of the second sliding table are aligned with the first positioning hole 442 and the second positioning hole 430, then the telescopic heads of the telescopic driving mechanisms 511 at the two sides are controlled to extend until the product carrier is inserted into the first positioning hole 442 and the second positioning hole 430, and the linkage block 441 is pushed to move towards the inner side of the first guide groove 440 along with, namely, the double-arm slide block is pushed to move towards the positioning cavity until the double-arm slide block is in butt joint with a workpiece installed in the positioning cavity and clamped at two ends of one diagonal of the workpiece, when the double-arm slide block is driven to continue to extend, the double-arm slide block gradually moves the workpiece towards the other diagonal of the positioning cavity until the workpiece is abutted against the other diagonal, so that the workpiece is fixed in the positioning cavity, and meanwhile, the product carrier is fixed in a plane with the positioning table 531 as the height through two telescopic driving mechanisms, so that the workpiece and the product carrier are prevented from shaking to generate machining errors in the machining process.
And then the fan-shaped block 534 is controlled to rotate in the groove, the shifting block 414 is driven to move towards the positioning cavity, the workpiece is locked in the positioning cavity, and the workpiece is prevented from shaking in the positioning cavity. The first positioning hole 442, the second positioning hole 430 and each rectangular joint 514 are inevitably provided with a butt joint gap, in order to eliminate the shaking of the product carrier in the longitudinal direction, the lifting mechanism 710 is controlled to move upwards, the product carrier is pushed upwards until the rectangular joints 514 abut against the upper ends of the first positioning hole 442 and the second positioning hole 430 respectively, the moving gap of the product carrier in the longitudinal direction is eliminated, so that the workpiece is accurately fixed, the phenomenon that the workpiece slides up and down in the machining process to increase the machining error is avoided, and then the operation mechanism can be controlled to move, and the first outer surface of the workpiece is machined until the machining is completed.
Subsequently, the sector 534 and the shifting block 414 are controlled to reset, the lifting mechanism 710 is controlled to retract downwards until the positioning element is separated from the product carrier, the first rotary driving mechanism 513 is controlled to rotate 180 degrees, the product carrier and the workpiece are rotated 180 degrees, at the moment, the second outer surface of the workpiece is arranged upwards, and in the overturning process, the workpiece is kept in the positioning cavity because the double-arm sliding block is always kept in a protruding state, so that the workpiece is prevented from falling in the overturning process of the product carrier.
After the product carrier is turned in place, the rotating seat 700 is controlled to rotate, the position of the positioning piece is adjusted, the product carrier is aligned to a third positioning hole in the product carrier, the lifting mechanism 710 is controlled to reset upwards, the product carrier carrying the workpiece is installed on the positioning piece, the shifting block 414 is controlled to be locked with the workpiece again, the lifting mechanism 710 is controlled to move upwards to push the product carrier upwards, gaps are eliminated, the workpiece is accurately fixed again, the operation mechanism can be controlled to move later, the second outer surface of the workpiece is processed until the processing is finished, and the next workpiece is processed.
Therefore, the invention reduces the mounting and positioning procedures of the workpiece and the processing flow, reduces the position matching tolerance of the workpiece and the processing machine table, reduces the processing error and improves the product yield; meanwhile, the same positioning block, namely the product carrier is adopted for mounting and positioning, the workpiece is not disassembled, the deviation accumulation of the position tolerance of the workpiece mounted again is avoided, the clamping times in the machining process are shortened, the accumulated tolerance is reduced, and the clamping efficiency is improved; furthermore, the automatic overturning and positioning process of the workpiece is realized, the same machine table can be used for machining the front side and the back side of the workpiece, and the machining efficiency of the workpiece is improved.
While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (10)
1. The utility model provides a multistation board of high machining precision which characterized in that includes:
the base is arranged on the machine table, at least one first Z-axis mechanical arm is erected on the base, and a Y-axis guide rail is arranged on the base;
the operating mechanism is longitudinally arranged on the moving end of the first Z-axis mechanical arm;
the first sliding table is movably arranged on the Y-axis guide rail, an X-axis guide rail is arranged on the first sliding table, a second sliding table is arranged on the X-axis guide rail in a sliding mode, a rotating seat is arranged in the center of the second sliding table, a lifting mechanism is arranged on the rotating seat, an operation table is arranged at the lifting end of the lifting mechanism, a plurality of positioning pieces are arranged on the operation table, an installation table is arranged on the inner sides of the positioning pieces, the center of the installation table is hollow, a telescopic driving mechanism is respectively arranged on the second sliding tables on the front side and the rear side of the operation table, and a first rotary driving mechanism is arranged at the telescopic end of the telescopic driving mechanism; and
the product carrier is arranged on the operating table through the positioning piece, a positioning cavity for mounting a workpiece is arranged in the middle of the product carrier in a penetrating mode, a first opening of the positioning cavity is erected on the mounting table, a first positioning hole is formed in the outer side wall of a first diagonal of the product carrier, and a second positioning hole is formed in the outer side wall of a second diagonal of the product carrier;
the product carrier is characterized in that a double-arm sliding block is movably arranged at the center of the first diagonal side wall, the double-arm sliding block transversely penetrates through the inner side wall of the product carrier, a linkage block outwards extends from the center of the double-arm sliding block, the linkage block penetrates through the outer side wall of the product carrier, the first positioning hole is formed in the outer side wall of the linkage block, a telescopic head of the telescopic driving mechanism selectively extends into the first positioning hole and the second positioning hole, and a locking mechanism capable of being screwed into the positioning cavity is arranged on the product carrier.
2. The high-processing-precision multi-station machine table as claimed in claim 1, wherein the Y-axis guide rail is disposed at a lower end of the first Z-axis mechanical arm, and at least one first sliding table is slidably disposed on the Y-axis guide rail; the first sliding table is movably arranged on the Y-axis guide rail through a Y-axis driving mechanism, and a first locking mechanism used for locking the first sliding table on the Y-axis guide rail is arranged at the bottom of the first sliding table;
the second sliding table is movably arranged on the X-axis guide rail through an X-axis driving mechanism, and a second locking mechanism used for locking the second sliding table on the X-axis guide rail is arranged at the bottom of the second sliding table.
3. A multi-station machine with high processing precision as claimed in claim 2, wherein the base is further provided with at least a second Z-axis mechanical arm, and a vision calibration mechanism is disposed on a moving end of the second Z-axis mechanical arm.
4. A multi-station machine table with high processing precision as claimed in claim 3, wherein a plurality of positioning tables are longitudinally arranged on the operating table, a positioning pillar is protruded from the upper end of each positioning table, the positioning member is composed of a positioning table and a positioning pillar, the outer diameter of each positioning table is larger than that of the corresponding positioning pillar, a second rotary driving mechanism is longitudinally arranged in each positioning pillar, the rotary shaft of the second rotary driving mechanism extends upwards to a certain distance from the corresponding positioning pillar, the rotary shaft of the second rotary driving mechanism is inclined towards the mounting table, a sector block is transversely arranged on the rotary shaft of the second rotary driving mechanism, and the length of the sector block is between the radius and the diameter of the corresponding positioning pillar.
5. A multi-station machine with high processing precision as claimed in claim 4, wherein a plurality of third positioning holes are longitudinally formed through the product carrier, the inner diameter of each third positioning hole is between the outer diameters of the positioning support and the positioning table, and the product carrier is mounted on the positioning table through the third positioning holes.
6. A multi-station machine station with high processing precision as claimed in claim 5, wherein a first guiding slot is opened on a first diagonal outer side wall of the product carrier, the linkage block is movably disposed in the first guiding slot, the first guiding slot is located at the center of the outer side wall of the product carrier, and the first positioning hole is disposed at the center of the outer side wall of the linkage block.
7. A high-precision multi-station machine as claimed in claim 6, wherein a second guiding slot is formed on the inner side wall of a first diagonal of the product carrier, the second guiding slot is a diagonal structure communicating with the first guiding slot, the double-arm slider is movably disposed in the second guiding slot, the linkage block is connected to the diagonal center of the double-arm slider, the second guiding slot is located at the center of the inner side wall of the product carrier, and the included angle between the double-arm slider and the included angle in the positioning cavity are correspondingly consistent.
8. A high-precision multi-station machine table as claimed in claim 7, wherein said first positioning hole and said second positioning hole are rectangular holes, a cavity is formed in a side wall of said first guiding groove, a first elastic member is disposed in said cavity, a first end of said first elastic member is connected to the inside of said cavity, and a second end of said first elastic member is connected to a side wall of said link block.
9. The high-precision multi-station machine table according to claim 8, wherein the third positioning hole is a circular hole, two ends of the third positioning hole are respectively provided with a groove, the sector block is movably disposed in the groove, the product carrier is provided with a through hole penetrating through the positioning cavity and the groove, the through hole is perpendicular to the length direction of the third positioning hole, and the locking mechanism is movably disposed in the through hole;
the locking mechanism includes:
the shifting block is movably arranged in the through hole, and the length of the shifting block is greater than that of the through hole;
the second elastic piece is sleeved on the shifting block, the first end of the second elastic piece is connected with the inner wall of the through hole, and the second end of the second elastic piece is fixed with the shifting block.
10. The high-processing-precision multi-station machine table as claimed in claim 9, wherein the operating table is fixed on the upper surface of the lifting end of the lifting mechanism, a first support for placing a workpiece is arranged on either side of the left side or the right side of the second sliding table, second supports are respectively arranged on the front side and the rear side of the second sliding table, and the telescopic driving mechanism is transversely arranged on the second supports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201810504629.8A CN108637328B (en) | 2018-05-24 | 2018-05-24 | Multistation board of high machining precision |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810504629.8A CN108637328B (en) | 2018-05-24 | 2018-05-24 | Multistation board of high machining precision |
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| CN108637328A CN108637328A (en) | 2018-10-12 |
| CN108637328B true CN108637328B (en) | 2020-04-07 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110253470B (en) * | 2019-06-28 | 2024-05-17 | 珠海市运泰利自动化设备有限公司 | Circulation carrier |
| CN112894444A (en) * | 2019-12-04 | 2021-06-04 | 大族激光科技产业集团股份有限公司 | Feeding system and material conveying table positioning method thereof |
| CN114684611B (en) * | 2022-04-29 | 2023-04-25 | 深圳格芯集成电路装备有限公司 | Detection device |
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| EP1048924A2 (en) * | 1999-04-28 | 2000-11-02 | Juri F. Jourtchenko | High-precision work table for a projector |
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| CN108637328A (en) | 2018-10-12 |
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