CN210282589U - Six-face drilling and milling machining center - Google Patents
Six-face drilling and milling machining center Download PDFInfo
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- CN210282589U CN210282589U CN201920405380.5U CN201920405380U CN210282589U CN 210282589 U CN210282589 U CN 210282589U CN 201920405380 U CN201920405380 U CN 201920405380U CN 210282589 U CN210282589 U CN 210282589U
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- 238000005553 drilling Methods 0.000 title claims abstract description 151
- 238000003801 milling Methods 0.000 title claims abstract description 115
- 238000003825 pressing Methods 0.000 claims abstract description 435
- 230000007246 mechanism Effects 0.000 claims abstract description 269
- 239000000463 material Substances 0.000 claims description 48
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27C—PLANING, DRILLING, MILLING, TURNING OR UNIVERSAL MACHINES FOR WOOD OR SIMILAR MATERIAL
- B27C3/00—Drilling machines or drilling devices; Equipment therefor
- B27C3/04—Stationary drilling machines with a plurality of working spindles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27C—PLANING, DRILLING, MILLING, TURNING OR UNIVERSAL MACHINES FOR WOOD OR SIMILAR MATERIAL
- B27C5/00—Machines designed for producing special profiles or shaped work, e.g. by rotary cutters; Equipment therefor
- B27C5/02—Machines with table
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27C—PLANING, DRILLING, MILLING, TURNING OR UNIVERSAL MACHINES FOR WOOD OR SIMILAR MATERIAL
- B27C5/00—Machines designed for producing special profiles or shaped work, e.g. by rotary cutters; Equipment therefor
- B27C5/02—Machines with table
- B27C5/06—Arrangements for clamping or feeding work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27C—PLANING, DRILLING, MILLING, TURNING OR UNIVERSAL MACHINES FOR WOOD OR SIMILAR MATERIAL
- B27C9/00—Multi-purpose machines; Universal machines; Equipment therefor
- B27C9/04—Multi-purpose machines; Universal machines; Equipment therefor with a plurality of working spindles
Abstract
A six-side drilling and milling machining center comprises a lower machine head and an upper machine head; the upper machine head comprises a drilling unit and a milling unit; the drilling unit comprises a workpiece tracking and pressing mechanism of the drilling unit; the drilling unit tracking workpiece pressing mechanism comprises a first pressing plate pressing mechanism and a second pressing plate pressing mechanism which are used for pressing a workpiece when hole positions in the vertical direction are processed, a first pressing wheel pressing mechanism which is used for pressing the workpiece when horizontal hole positions on the rear side surface of the workpiece are processed, a second pressing wheel pressing mechanism which is used for pressing the workpiece when horizontal hole positions on the front side surface of the workpiece are processed, a third pressing wheel pressing mechanism which is used for pressing the workpiece when horizontal hole positions on the left side surface of the workpiece and vertical hole positions on the bottom surface of the workpiece are processed, a fourth pressing wheel pressing mechanism which is used for pressing the workpiece when horizontal hole positions on the right side surface of the workpiece are processed; the milling unit comprises a milling unit tracking workpiece pressing mechanism; the plate clamping device has the advantages that the plate can be well clamped and pressed in the machining process, so that the plate is not easy to deviate and deform.
Description
Technical Field
The utility model belongs to the technical field of the large-scale accurate digit control machine tool in wood working field and specifically relates to a six brill mill machining center with high-grade numerical control system is related to.
Background
With the advent of microprocessors, the world has entered a new era of numerical control equipment, and machine tools capable of realizing multi-axis motion only by computers have rapidly emerged, so that wood processing has entered an automated and intelligent era. The technical field of woodworking machinery generally relates to procedures of slotting, drilling and the like of wood boards. In the prior art, a wood six-face drilling and milling machining center capable of drilling six faces and routing one face of wood is also gradually applied.
In the utility model patent with patent number ZL201520877645.3 and the granted announcement date of 2016, 4 and 27, a full-automatic six-axis numerical control perforating machine is disclosed, which comprises a frame; a Y-axis guide rail arranged on the main rack, a sliding frame arranged on the Y-axis guide rail, a Y-axis transmission mechanism used for driving the sliding frame to slide, a Z-axis drill box arranged on the sliding frame, and a high-speed main shaft arranged on the Z-axis drill box; 3) the X-axis guide rail is arranged on the main rack, and an X-axis motion manipulator and a U-axis motion manipulator for controlling the workpiece are arranged on the X-axis guide rail; 4) a workbench arranged on the main frame, and 5) a backup plate device is arranged on the workbench; 6) one side of the main frame is matched with a pneumatic floating platform for placing and driving a workpiece to move; 7) the main frame is provided with a W-axis transmission mechanism and a V-axis transmission mechanism, and the output end of the V-axis transmission mechanism is matched with a V-axis drill box.
The full-automatic six-axis numerical control perforating machine has the following functions: 1) starting the machine and starting the industrial control computer; 2) placing the workpiece 1 on a pneumatic floating platform 13; 3) reading bar code labels pasted on the workpieces by using a scanning gun, and enabling the equipment to enter an automatic standby state; 4) putting the workpiece 1 in place according to a computer prompt, and then starting an automatic processing button; 5) the X-axis manipulator 8 and the U-axis manipulator 9 automatically move the workpiece 1 to a set position of a computer; 6) the Y-axis transmission mechanism 3 and the V-axis transmission mechanism move the Z-axis drill box 4 and the V-axis drill box 7 to the set positions of the computer; the Z-axis drilling box 4 and the V-axis drilling box 7 are internally provided with drills with various specifications, wherein the drills comprise a vertical drill, a horizontal drill and a vertical milling. The drilling operation of the upper hole, the lower hole, the left hole, the right hole, the front hole and the rear hole of the workpiece is executed by the up-and-down movement of the drill bit, the Z-axis transmission mechanism 2 and the W-axis transmission mechanism 10 which are set by a computer.
The invention patent with the patent number ZL201610042695.9 and the patent number granted on 2016, 5 and 11 discloses a double-head double-clamp drilling center, which comprises a lathe bed, an air floatation workbench, an automatic blanking machine, a beam clamp module, a lower workbench module, a lower machine head, an upper workbench module and an upper machine head;
the lathe bed comprises a lower guide rail seat, an upper guide rail seat, a rear upright post, a front upright post and a lathe bed door plate; the upper guide rail seat is positioned right above the lower guide rail seat, the rear upright post is connected and supported between the rear end of the lower guide rail seat and the rear end of the upper guide rail seat, and the front upright post is connected and supported between the front end of the lower guide rail seat and the front end of the upper guide rail seat; the lathe bed door plate is arranged on the front side of the front upright post; the lower guide rail seat and the upper guide rail seat are respectively provided with a screw rod servo transmission mechanism, and the two screw rod servo transmission mechanisms are opposite to each other up and down;
the air-floating workbench and the automatic blanking machine are respectively arranged at two sides of the lathe bed;
the beam clamp module is arranged on the bed body and comprises a beam and at least two clamp mechanisms capable of working independently; one end of the cross beam extends to the position above the air floatation workbench, the other end of the cross beam extends to the position above the automatic blanking machine, the two clamp mechanisms are arranged on the cross beam in parallel, each clamp mechanism can be transversely movably arranged back and forth, and each clamp mechanism is provided with a servo driving device for driving the clamp mechanisms to move back and forth along the direction of the cross beam;
the lower workbench module and the upper workbench module are opposite to each other up and down and are respectively arranged on the lower guide rail seat and the upper guide rail seat, the two lead screw servo transmission mechanisms respectively drive the lower workbench module and the upper workbench module to longitudinally move back and forth, and the lower machine head and the upper machine head are respectively arranged on the lower workbench module and the upper workbench module.
The lower workbench module and the upper workbench module have the same structure, and the lower workbench module comprises a base frame, a workbench bracket, a rear workbench component, a front workbench component, a first lifting mechanism and a second lifting mechanism; the lead screw servo transmission mechanism drives the base frame to move back and forth longitudinally, the workbench support can be arranged on the base frame in a vertically sliding mode, the rear workbench component is arranged on the workbench support and moves up and down along with the workbench support, the front workbench component can be arranged on the front side of the rear workbench component in a vertically moving mode relative to the rear workbench component, the first lifting mechanism is arranged on the base frame, the first lifting mechanism drives the workbench support to move up and down, the second lifting mechanism is arranged on the workbench support, and the second lifting mechanism drives the front workbench component to move up and down.
The first lifting mechanism comprises a lifting seat, a screw rod bracket, a screw rod, a motor and a nut seat; the lifting seat is fixed on the base frame, the screw rod seat, the screw rod support and the motor are all installed on the lifting seat, the top end of the screw rod seat is provided with a bearing seat, the screw rod is rotatably installed on the bearing seat, the motor is connected with the lower end of the screw rod through a coupler, the upper end of the screw rod is installed on the screw rod support through a bearing, the nut seat is fixed on the workbench support, and the nut seat is screwed with the screw rod and connected.
The lower machine head and the upper machine head have the same structure, and the lower machine head comprises a Z-axis sliding plate, a gang drill unit, a main shaft unit and a saw cutting unit; the back of the Z-axis sliding plate is provided with a nut seat; the gang drill unit is arranged on the front of the Z-axis sliding plate, the main shaft unit and the saw cutting unit can be movably arranged on the front of the Z-axis sliding plate in a mountain-down mode, a first driving mechanism and a second driving mechanism are arranged on the Z-axis sliding plate, the first driving mechanism drives the main shaft unit to move up and down, and the second driving mechanism drives the saw cutting unit to move up and down.
The gang drill unit is of a pneumatic multi-shaft multi-gang drill structure and is provided with 29 vertical drills and 6 groups of horizontal drills, and the vertical drills are arranged in an H shape.
A Z-axis driving mechanism is arranged on the lower machine head and the upper machine head, the two Z-axis driving mechanisms are respectively arranged on the lower workbench module and the upper workbench module, and the two Z-axis driving mechanisms correspondingly drive the lower machine head and the upper machine head to integrally move up and down.
Each clamp mechanism comprises a clamp seat, a lower clamp, an upper clamp and a driving mechanism, the clamp seat is installed on the cross beam, the lower clamp, the upper clamp and the driving mechanism are all arranged on the clamp seat, the upper clamp is located right above the lower clamp, and the driving mechanism controls the upper clamp and the lower clamp to be opened or closed mutually. The front side edge of the lower clamp is provided with a lower pressing plate, the front side edge of the upper clamp is provided with an upper pressing plate, the upper pressing plate and the lower pressing plate are opposite to each other up and down, the lower pressing plate is provided with a positioning column, the upper pressing plate is provided with a positioning hole matched with the positioning column, the positioning column is inserted into the positioning hole when the upper pressing plate and the lower pressing plate are in a closed state, and rubber plates are arranged on the front side edge of the surface of the lower pressing plate and the front side edge of the bottom surface of the upper pressing plate.
The six numerical control puncher of two above patents though can realize six processing to the work piece, nevertheless especially add man-hour, only through backup plate ware and manipulator centre gripping and pressure panel, each bores row, fretwork milling cutter is because backup plate ware and manipulator's centre gripping panel and the dynamics of pressing panel are limited to the panel course of working, goes up aircraft nose and lower aircraft nose simultaneous processing, and the panel atress is big, can lead to the skew of panel, leads to the machining precision to reduce, or the panel warp, and scratch work piece surface easily.
Therefore, there is a need to develop a woodworking processing machine that overcomes the above-mentioned drawbacks.
SUMMERY OF THE UTILITY MODEL
For overcoming not enough among the above-mentioned prior art, the utility model aims to provide a six brill mills machining center, it has to bore and mills integrative, once can accomplish six face processing of plate, especially can be in the course of working fine centre gripping and push down the plate, make the difficult advantage that squints and warp of plate.
A six-face drilling and milling machining center comprises a rack, an air floatation workbench, a blanking device, a cross beam device, at least two clamp devices capable of working independently, a workbench device, a lower machine head and an upper machine head;
the air floatation workbench and the blanking device are respectively arranged at two sides of the frame;
the cross beam device is arranged on the frame, one end of the cross beam device extends to the upper part of the air floatation workbench, the other end of the cross beam device extends to the upper part of the blanking device, and the clamp devices can be arranged on the cross beam device in parallel in a way of sliding back and forth in the X direction relative to the cross beam device;
the upper machine head can be arranged on the frame in a reciprocating sliding way; the lower machine head can be arranged on the frame in a reciprocating sliding way;
the upper machine head comprises a Y-axis sliding plate arranged on an upper cross beam of the gantry frame assembly, a Y-axis sliding plate driving mechanism for driving the Y-axis sliding plate to slide in a Y-direction back and forth on the upper cross beam of the gantry frame assembly, a Y-axis sliding plate guiding mechanism arranged between the upper cross beam and the Y-axis sliding plate, a Z-axis sliding plate arranged on the Y-axis sliding plate, a Z-axis sliding plate driving mechanism for driving the Z-axis sliding plate to slide in a Z-direction back and forth on the Y-axis sliding plate, a Z-axis sliding plate guiding mechanism arranged between the Y-axis sliding plate and the Z-axis sliding plate, a drilling unit fixed on the Z-axis sliding plate, a milling unit movably arranged on the Z-axis sliding plate up and down, a milling unit driving mechanism for driving the milling unit to slide in the Z-direction back;
the drilling unit comprises a drilling box, a vertical drilling unit and a horizontal drilling unit which are arranged on the drilling box, and the drilling unit tracks the workpiece pressing mechanism;
the drilling unit tracking workpiece pressing mechanism comprises a first pressing plate pressing mechanism for pressing a workpiece when a hole site in the vertical direction of the left area of the top surface of the workpiece is processed, a second pressing plate pressing mechanism for pressing the workpiece when a hole site in the vertical direction of the right area of the top surface of the workpiece is processed, a first pressing wheel pressing mechanism for pressing the workpiece when a horizontal hole site on the rear side surface of the workpiece is processed, a second pressing wheel pressing mechanism for pressing the workpiece when a horizontal hole site on the front side surface of the workpiece is processed, a third pressing wheel pressing mechanism for pressing the workpiece when a horizontal hole site on the left side surface of the workpiece is processed and a vertical hole site on the bottom surface of the workpiece is processed, a fourth pressing wheel pressing mechanism for pressing the workpiece when a horizontal hole site;
the milling unit comprises a milling unit sliding plate which can be movably arranged on the Z-axis sliding plate up and down, an electric spindle arranged on the milling unit sliding plate, and a milling unit tracking workpiece pressing mechanism.
As an improvement of the first scheme, the milling unit tracking workpiece pressing mechanism comprises a mounting seat arranged on a sliding plate of the milling unit, a material pressing sliding seat arranged on the mounting seat in a vertically sliding manner and a sliding seat driving mechanism; the pressing device comprises a pressing cylinder fixed on a pressing sliding seat and a pressing piece fixed at the piston end of the pressing cylinder.
As an improvement of the second scheme, the mounting seat of the workpiece-tracking pressing mechanism of the milling unit comprises a main shaft pressing bracket plate and a main shaft pressing fixing seat, wherein one side of the main shaft pressing bracket plate is fixed on a sliding plate of the milling unit;
the slide seat driving mechanism comprises a servo motor arranged on the top of the spindle pressing bracket plate, a screw rod pair, a screw rod seat, a slide block and a guide rail, wherein the upper end of the screw rod pair is connected with an output shaft of the servo motor; the screw rod seat is fixed on the material pressing sliding seat;
the pressing cylinder seat is fixed on the pressing sliding seat; the material pressing cylinder comprises a left material pressing cylinder fixed on the left side of the material pressing cylinder seat, a right material pressing cylinder fixed on the right side of the material pressing cylinder seat, a left material pressing plate fixed at the piston end of the left material pressing cylinder and a right material pressing plate fixed at the piston end of the right material pressing cylinder;
the lower fixing plate is fixed at the bottom of the main shaft material pressing fixing seat, and one side of the lower fixing plate, facing the material pressing sliding seat, protrudes out of the main shaft material pressing fixing seat;
an upper elastic limiting part of the sliding seat is fixed on the bottom surface of the main shaft material pressing bracket plate, and a lower elastic limiting part of the sliding seat is fixed on the top surface of the lower fixing plate.
As an improvement of the first scheme, the main frame base is of an integrally closed frame structure and comprises stand columns arranged on four corners and a beam for connecting the stand columns on two adjacent corners;
the gantry frame assembly is a closed frame structure and comprises an upper cross beam, a lower cross beam and upright columns connected with the two ends of the upper cross beam and the lower cross beam; an upper guide rail mounting surface is arranged on the front side surface of the upper cross beam, or an upper guide rail mounting surface is arranged on the front side surface of the upper cross beam and a lower guide rail mounting surface is arranged on the front side surface of the lower cross beam;
the top surfaces of the beams on the left side and the right side of the main frame base are on the same horizontal plane and are installation surfaces of the portal frame assembly, and the portal frame assembly is installed on the top surfaces of the beams on the left side and the right side;
the workbench device comprises a front workbench and a rear workbench;
the front workbench and the rear workbench are arranged on the main frame; the front workbench and the rear workbench are separated by a certain distance in the X direction, and a clearance between the front workbench and the rear workbench forms a clearance space for the upper and lower movement of the lower machine head;
the lower machine head is arranged right below the front workbench, the rear workbench and the clearance space where the lower machine head moves up and down, and the upper machine head is arranged right above the front workbench, the rear workbench and the clearance space where the lower machine head moves up and down.
As an improvement of the fourth scheme, the table-board support frame is further included; the top surface of the upright post on one corner is an inclined surface, and the top surfaces of the upright posts on the other three corners are all on the same horizontal plane;
a workbench mounting rack is arranged on a beam parallel to the portal frame assembly on one side of the upright column and the portal frame assembly, the top surface of which is an inclined plane;
the table top supporting frame and the table top supporting frame are arranged on the workbench mounting frame; the top surface of the table-board support frame is an installation surface of the workbench, the top surface of a beam parallel to the portal frame component on the other side of the portal frame component is an installation surface of the rear workbench, and the installation surface of the workbench and the installation surface of the rear workbench are on the same horizontal plane;
the front workbench is arranged on the top surface of the table-board support frame, and the rear workbench is arranged on the top surface of the main frame beam deviating from the table-board support frame;
the upper machine head can be arranged on the upper cross beam in a sliding manner back and forth; the lower machine head can be arranged on the lower cross beam in a reciprocating sliding way.
As an improvement of the first scheme, the device further comprises a positioning mechanism for positioning the workpiece in the X direction, wherein the positioning mechanism for positioning the workpiece in the X direction is a positioning cylinder; an empty avoiding groove with an opening facing the cross beam device is arranged on the surface of the front workbench facing the cross beam device and close to the air floating workbench; the cylinder is arranged on the frame below the front workbench, and the cylinder shaft is arranged in the clearance groove.
As an improvement of the first scheme, the clamp device comprises a clamp seat, a clamp seat driving device for driving the clamp seat to slide back and forth in the X direction, a fixed clamp, a movable clamp and a movable clamp driving mechanism for driving the movable clamp to slide back and forth up and down relative to the fixed clamp so as to control the clamp device to open and close; the positioning mechanism is used for positioning the workpiece;
a movable clamp guiding mechanism for the movable clamp to slide up and down is arranged between the movable clamp and the clamp seat;
the clamp seat comprises a horizontal part, a clamp installation part vertically and convexly arranged on one side of the horizontal part, and a clamp seat driving device installation part vertically and convexly arranged on the other side of the horizontal part;
the clamp seat driving device is arranged on a clamp seat driving device installation part which is far away from the clamp installation part, a clamp seat guiding mechanism for the clamp seat to slide back and forth is arranged at the bottom of the horizontal part of the clamp seat, and the clamp seat guiding mechanism is arranged between the clamp installation part and the clamp seat driving device installation part;
the movable clamp comprises a clamping part and an installation part which are vertical to each other;
the fixed clamp comprises a clamping part and an installation part which are vertical to each other;
the movable clamp guiding mechanism is arranged between the mounting part of the movable clamp and the clamp mounting part, and the movable clamp can be mounted on the clamp mounting part deviating from the clamp seat driving device in a back-and-forth sliding manner; the mounting part of the fixed clamp is fixed with the clamp mounting part and is arranged on the same side of the clamp seat driving device mounting part with the movable clamp; the movable clamp guiding mechanism and the mounting part of the movable clamp are arranged between the mounting part of the fixed clamp and the clamp mounting part;
the positioning mechanism is arranged on the clamping part of the fixed clamp, the clamping part of the movable clamp is arranged right above the clamping part of the fixed clamp, and the positioning mechanism is arranged between the clamping part of the fixed clamp and the clamping part of the movable clamp;
the clamping device also comprises a stress guide column which is fixed on the clamping part of the movable clamp relative to the clamping part surface of the fixed clamp and is used for reducing the deformation of the clamping part of the movable clamp when the clamping device clamps a workpiece, and a stress guide hole matched with the stress guide column is arranged on the clamping part of the fixed clamp; the stressed guide column is always kept in the stressed guide hole in the opening and closing processes of the clamp device
As an improvement of the first proposal, the drilling box of the upper machine head comprises an upper drilling box and a lower drilling box; the opposite surfaces of the upper drilling box and the lower drilling box are correspondingly provided with air channel pipeline grooves, the air channel pipeline grooves of the upper drilling box and the lower drilling box form a circulating air channel pipeline, and the circulating air channel pipeline is convenient for air to smoothly pass through to achieve a cooling function; a throttle valve with good reliability is added at the air inlet of the circulating air tank pipeline; and a dustproof exhaust muffler is arranged at the exhaust port of the circulating gas tank pipeline.
As an improvement of the first scheme, a Z-direction cleaning function channel which blows dust on the surface of the workpiece to be machined and is communicated with the inner cavity of the dust hood is arranged in the drilling box, and the cleaning function channel is communicated with external high-pressure air.
As a common improvement of the above schemes, the pressing plate pressing mechanism comprises an air cylinder fixed with the drilling box, an inductive switch arranged on an end cover of the air cylinder, a pressing plate seat and a pressing plate; the cylinder comprises two piston rods; the two piston rods are fixed with the pressure plate seat, and the pressure plate is fixed at the bottom of the pressure plate seat; the pressing plate is provided with an arc part coaxial with the vertical drill;
the pinch roller pressing mechanism comprises a cylinder fixed with the drilling box, an inductive switch arranged on an end cover of the cylinder, a pinch roller seat and a pinch roller; the cylinder comprises two piston rods; two piston rods are fixed with the pinch roller seat, and the pinch roller is pivoted at the bottom of the pinch roller seat.
The utility model has the advantages that:
six numerical control machining center's last aircraft nose includes the upper drilling unit and lower aircraft nose includes the lower drilling unit, and the upper drilling unit includes horizontal drilling unit and vertical drilling unit, and the lower drilling unit includes the vertical drilling unit, therefore can accomplish six drilling processing. The upper machine head comprises a milling unit which can complete milling of the top surface of the workpiece. The lower head, if also comprising a milling unit, can perform milling of the bottom surface of the workpiece. A motor in the drilling unit drives a gear to drive the vertical hole and the horizontal hole, and air is supplied to an air cylinder to eject the vertical drill and the horizontal drill to complete work.
Aiming at the conditions that the deformation of a workpiece and the self deformation of the workpiece are influenced by external force when the workpiece is machined, a multi-region pressing plate pressing mechanism is added when holes in the vertical direction are machined; when a hole in the horizontal direction of the left, right, front and back directions is processed, a multi-region pressing wheel pressing mechanism is added; the pressing mechanism presses the corresponding part of the workpiece and then processes the workpiece, so that the processing stability is good, and the processed workpiece has high precision.
A precision digital control double-cylinder double-area tracking workpiece limiting mechanism is added for limiting the main shaft tracking workpiece; the main shaft groove drawing and the workpiece tracking limiting mechanism during the anisotropic processing can be realized, the market demand is met, the surface of various workpieces, particularly smooth workpieces, is easy to scratch, the main shaft tracking workpiece limiting function is added, the precision digital control double-cylinder double-area tracking workpiece limiting mechanism can be used for achieving the main shaft tracking workpiece limiting processing function, and the effect of no scratching the plate surface can be perfectly realized.
And the sliding plate of the milling unit is stretched by the cylinder to complete the Z-shaped up-and-down movement. The milling unit tracking workpiece pressing mechanism is a double-cylinder double-area tracking workpiece pressing mechanism controlled by precise numbers. The milling unit tracks the workpiece pressing mechanism, a servo motor which is precisely and digitally controlled drives a screw rod group to enable a pressing sliding seat to move up and down, and a cylinder shaft of a pressing cylinder in two areas is ejected out to finish pressing work.
In the milling unit, a workpiece tracking and pressing mechanism of the milling unit is added, so that groove drawing and anisotropic machining of the main shaft can be realized, and market requirements are met; aiming at various workpieces, particularly smooth workpieces with surfaces easy to scratch, the milling unit tracks the workpiece pressing mechanism along with the main shaft to realize pressing processing on the workpieces, so that the surfaces of the workpieces are not scratched when being milled perfectly.
Because the wood has deformation, when the workpiece is processed downwards in the upper milling part, the milling unit tracks the workpiece pressing mechanism and drives the left pressing piece and the right pressing piece which are arranged on the material pressing sliding seat to control the vertical stroke of the left pressing piece and the right pressing piece by the sliding seat driving mechanism. For example: the milling unit processes the workpiece 5mm downwards, and the milling unit moves 5mm upwards along with the workpiece pressing mechanism. The clamping device needs to be avoided, the edge section of the workpiece can be completely processed, the material pressing piece is controlled in two areas, and the left material pressing piece and the right material pressing piece need to be used, so that when the workpiece is processed, the dead-angle-free processing area can be realized by tracking and limiting processing; when in processing, the left pressing part and the right pressing part are 0.2-0.5MM away from the workpiece for limiting, the surface of the workpiece is not directly pressed for processing, and the phenomena of surface scratch of the workpiece and the like are reduced.
Drawings
Fig. 1 is a schematic perspective view of embodiment 1 of the present invention.
Fig. 2 is a schematic perspective view of the embodiment 1 of the present invention without an automatic blanking device.
Fig. 3 is a schematic perspective view of the embodiment 1 of the present invention without the air-floating workbench and the automatic blanking device.
Fig. 4 is a schematic perspective view of a main frame according to embodiment 1 of the present invention.
Fig. 5 is a perspective view of the main frame of embodiment 1 of the present invention in another direction.
Fig. 6 is an enlarged schematic view of a portion I of fig. 1.
Fig. 7 is a perspective view of a clamping device and a part of a beam device according to embodiment 1 of the present invention.
Fig. 8 is a perspective view of a clamp apparatus according to embodiment 1 of the present invention.
Fig. 9 is a schematic perspective view of an upper head in embodiment 1 of the present invention.
Fig. 10 is a schematic perspective view of a drilling unit according to embodiment 1 of the present invention.
Fig. 11 is a schematic front view of the upper drilling unit of embodiment 1 of the present invention projected from below.
Fig. 12 is a schematic perspective view of the upper machine head of embodiment 1 of the present invention with a part of the milling unit and the Y-axis slide plate removed.
Fig. 13 is a schematic perspective view of the upper head of embodiment 1 of the present invention with the Y-axis slide plate removed.
Fig. 14 is a bottom view of fig. 13.
Fig. 15 is a schematic perspective view of a pressing wheel pressing device according to embodiment 1 of the present invention.
Fig. 16 is an exploded perspective view of the pressing wheel pressing device according to embodiment 1 of the present invention.
Fig. 17 is a schematic perspective view of a platen pressing device according to embodiment 1 of the present invention.
Fig. 18 is a schematic exploded perspective view of a platen pressing device according to embodiment 1 of the present invention.
Fig. 19 is a schematic perspective view of the upper head of embodiment 1 of the present invention with the Y-axis slide plate removed from the other direction.
Fig. 20 is a schematic perspective view of the upper head of embodiment 1 of the present invention, with the Y-axis slide plate removed, in another direction.
Fig. 21 is a schematic perspective view of a workpiece pressing mechanism tracked by a milling unit according to embodiment 1 of the present invention.
Fig. 22 is an exploded perspective view of the milling unit tracking workpiece pressing mechanism according to embodiment 1 of the present invention.
Fig. 23 is a schematic perspective view of a drilling unit of embodiment 2 of the present invention.
Reference numerals: a-a frame; 1 a-main frame; 2 a-a host chassis; 3 a-a gantry assembly; 4 a-left rear cross beam reinforcement; 5 a-left front cross rail reinforcement; 6 a-right front cross beam reinforcement; 7 a-right rear cross member reinforcement; 8 a-table top support; 9 a-a table mount; 21 a-front left upright; 22 a-rear left upright; 23 a-front right column; 24 a-rear right column; 25 a-right lower beam; 26 a-upper right beam; 27 a-rear lower beam; 28 a-rear upper beam; 29 a-left lower beam; 30 a-upper left beam; 31 a-front lower beam; 32 a-front upper beam; 33 a-a reinforcing column; 34 a-lower stiffening beam; 35 a-upper beam; 36 a-lower beam; 361 a-lower rail mounting surface; 362 a-upper rail mounting surface; 37 a-left upright; 38 a-right upright; 39 a-right spacer block; 41 a-horizontal part; 42 a-vertical portion; 43 a-left spacer; b-an air-floating workbench; c-an automatic blanking device; d-a beam arrangement; 1 d-beam; 2d-X directional guide rails; 3d-X direction rack; e-a clamping device; 1 e-a clamp base; 10 e-clamp seat level; 11 e-clamp mounting; 12 e-a clamp base drive mechanism mounting portion; 13 e-a reinforcing rib; 14 e-a linker; 15 e-horizontal mounting; 16 e-vertical stiffeners; 17e-X guide slide block; 171 e-chute; 18 e-a motor; 19 e-a reducer; 2 e-movable clamp; 20 e-a clamping portion; 201 e-a recess; 21 e-a mounting portion; 22 e-an upper clamping block; 23 e-gluing a clamping block; 24 e-U-shaped clearance grooves; 3 e-fixing the clamp; 31 e-a clamping portion; 32 e-a mounting portion; 321 e-Y-direction through holes 321 e; 3211e-Z direction regulating plane; 33 e-lower clamping block; 331e-L shaped recess; 34 e-lower rubber clamping block; 35e-Z guide slide block; 36e-Z guide rails; 37 e-a drive cylinder; 38 e-cylinder axis; 39 e-reinforcement; 40 e-fixing the cushion block; 41 e-a fixed plate; 5 e-a positioning mechanism; 50 e-a locating post; 51 e-a roller; 52 e-locating holes; 6 e-a force-bearing guide post; 61 e-forced guide holes; 62 e-guide sleeve; f-a table device; 1 f-front table; 2 f-rear workbench; g-positioning a cylinder; 1 g-fixed block; 2 g-cylinder axis; h-lower machine head; i-mounting the machine head; 1i-Y axis slide plate; 2i-Z axis slides; 3 i-a drilling unit; 4 i-a milling unit; 40 i-milling unit slide plate; 41 i-electric spindle; 42 i-milling cutter; 43 i-the milling unit tracks the workpiece hold-down mechanism; 431 i-spindle swaging carriage plate; 432 i-a main shaft material pressing fixing seat; 433 i-side pulling plate; 434 i-lower fixed plate; 435 i-lower limiting glue stick; 44 i-pad; 45 i-servo motor; 46 i-bearing seat; 461 i-bearing seat fixing plate; 47 i-screw pair; 471 i-screw seat; 472 i-swaging slide; 473 i-sliding block; 474 i-guide rail; 48 i-a material pressing cylinder seat; 481 i-left swage cylinder; 482 i-right swage cylinder; 483 i-left swage plate; 4831 i-a pressure plate horizontal mounting part; 4832 i-vertical web attachment; 4833 i-horizontal nip; 484 i-right swage plate; 485 i-cylinder block vertical section; 486 i-U-shaped portion; 49 i-drill shaft dust hood; 5 i-a drilling box; 51 i-drilling box; 52 i-drill down box; 53 i-gas tank ducting channels; 54 i-throttle valve; 55 i-a muffler; 56 i-cleaning functional channels; 57 i-dust blowing and cleaning functional channel; 6 i-a vertical drilling unit; 61 i-drill bit; 7 i-a horizontal drilling unit; 71i-X bit horizontal drilling unit; 711i-X directional drill bit; 712i-Y directional drill bits; a 72i-Y directional drill bit horizontal drilling unit; 8 i-a first platen hold down mechanism; 9 i-a second platen hold down mechanism; 91 i-platen cylinder; 92 i-platen end cap; 93 i-pressure plate inductive switch; 94 i-platen holder; 95 i-a platen; 96 i-platen piston rod; 11 i-a first pinch roller pressing mechanism; 101 i-cylinder; 102 i-end cap; 103 i-inductive switch; 104 i-a pressure wheel seat; 105 i-pinch roller; 106 i-a piston rod; 10 i-a second pinch roller pressing mechanism; 12 i-a third pinch roller pressing mechanism; 13 i-a fourth pinch roller pressing mechanism; 14 i-fifth press wheel hold down mechanism.
Detailed Description
As shown in fig. 1 and 2, a six-face drilling and milling machining center includes a frame a, an air-floating workbench b, an automatic blanking device c, a beam device d, at least two independently working clamping devices e, a workbench device f, a positioning cylinder g for positioning a workpiece in a Y direction, a lower machine head h, and an upper machine head i.
As shown in fig. 3, the table device f includes a front table 1f and a rear table 2 f.
As shown in fig. 3 to 5, the frame a includes a main frame 1 a. The main frame 1a comprises a main frame base 2a, a portal frame assembly 3a, a left rear cross beam reinforcement 4a, a left front cross beam reinforcement 5a, a right front cross beam reinforcement 6a, a right rear cross beam reinforcement 7a and a table top support frame 8 a.
The main frame base 2a is an integrally closed frame structure, and comprises a front left upright 21a, a rear left upright 22a, a front right upright 23a and a rear right upright 24a which are arranged at four corners. The front left upright post 21a is higher than the rear left upright post 22a, the front right upright post 23a and the rear right upright post 24a, the top surface of the front left upright post 21a is an inclined surface, and the top surfaces of the rear left upright post 22a, the front right upright post 23a and the rear right upright post 24a are all on the same horizontal plane.
A right lower beam 25a and a right upper beam 26a connecting the rear right pillar 24a and the front right pillar 23 a; a rear lower beam 27a and a rear upper beam 28a connecting the rear left pillar 22a and the rear right pillar 24 a; a left lower beam 29a and a left upper beam 30a connecting the front left pillar 21a and the rear left pillar 22 a; a front lower beam 31a and a front upper beam 32a connecting the front right pillar 23a and the front left pillar 21 a. Reinforcing columns 33a are connected between the right upper beam 26a and the right lower beam 25a, between the rear upper beam 28a and the rear lower beam 27a, between the left upper beam 30a and the left lower beam 29a, and between the front upper beam 32a and the front lower beam 31a, and lower reinforcing beams 34a intersecting each other are connected between the front lower beam 31a and the rear lower beam 27a and between the left lower beam 29a and the right lower beam 25 a.
The top surfaces of the left upper beam 30a and the right upper beam 26a are on the same horizontal plane and are installation surfaces of the portal frame assembly 3 a. The front left column 21a, the rear left column 22a, the front right column 23a, and the rear right column 24a project from the right upper beam 26a, and the top surfaces of the front upper beam 32a and the rear upper beam 28a are higher than the top surfaces of the left upper beam 30a and the right upper beam 26 a.
The portal frame assembly 3a is a closed frame structure, and comprises an upper cross beam 35a, a lower cross beam 36a, and a left upright 37a and a right upright 38a connecting the upper cross beam 35a and the lower cross beam 36 a. The left end of the lower cross member 36a is fixed to the left pad 43 on the left upper beam 30a of the main frame base 2a, and the right end of the lower cross member 36a is fixed to the right pad 39a on the right upper beam 26a of the main frame base 2 a. The lower cross member 36a has a lower rail mounting surface 361a on a side surface facing the deck support frame 8a, and the upper cross member 35a has an upper rail mounting surface 362a on a side surface facing the deck support frame 8 a.
The left rear cross member reinforcement 4a includes a horizontal portion 41a and a vertical portion 42a, an end portion of the horizontal portion 41a is fixed to the left pillar 37a, and a bottom portion of the vertical portion 42a is fixed to the rear left pillar 22 a.
The right front cross beam reinforcement 6a and the right rear cross beam reinforcement 7a have the same structure as the left rear cross beam reinforcement 4a, and are mounted on the corresponding columns of the gantry assembly 3a and the main frame base 2 a.
A workbench mounting bracket 9a is arranged on the front upper beam 32a, one side of the workbench mounting bracket 9a is supported on the upper beam 32a, and the other side is supported on the front left upright post 21 a. The table top support frame 8a is mounted on the table mount 9 a. The top surface of the table top support frame 8a is the mounting surface of the front workbench 1f, the top surface of the rear upper beam 28a is the mounting surface of the rear workbench 2f, and the mounting surface of the front workbench 1f and the mounting surface of the rear workbench 2f are on the same horizontal plane. The front end of the left front cross member reinforcement 5a is fixed to the table mounting frame 9a, and the rear end is fixed to the left pillar 37 a.
The main frame seat 2a is of a frame structure, the center of gravity is low, and the deformation is small.
The portal frame component 3a for fixing the upper drill ladle and the lower drill ladle adopts an integrally closed frame type structure, the rigidity is good, the upper guide rail and the lower guide rail can be machined and finished on a machine tool through one-time clamping, and thus the parallelism and the precision of the guide rails are easier to guarantee. The whole closed frame structure is convenient for large-scale processing and more convenient to assemble.
The workbench mounting frame 9a of the main frame base 2a and the table top support frame 8a are integrally welded, and then the mounting surface of the fixed portal frame component 3a and the mounting surface of the table top support frame 8a are processed at one time, so that the precision of the front workbench 1f is ensured.
The main frame seat 2a adopts a steel pipe structure, so that the processing is convenient, and the rigidity and the strength of the frame a can be ensured. Rectangular steel pipes for supporting the portal frame assembly 3a on two sides of the main frame base 2a are lower than the left upright post 37a, the front left upright post 21a, the rear left upright post 22a, the right upright post 38a, the front right upright post 23a and the rear right upright post 24a, so that a worker can maintain and lower the drill ladle conveniently.
The portal frame component 3a is supported from front to back through the left rear cross beam reinforcing part 4a, the left front cross beam reinforcing part 5a, the right front cross beam reinforcing part 6a and the right rear cross beam reinforcing part 7a, the whole portal frame and the main frame seat 2a are connected into a whole, the rigidity and the precision of the portal frame component 3a are guaranteed, and the torsion resistance of the portal frame component 3a is improved. Because the machine has the milling function, the vibration is very obvious during milling, and the milling precision and the milling quality of the main shafts of the upper machine head i and the lower machine head h are directly ensured, so that the surface quality of a machined workpiece is improved.
The six-face numerical control drilling and milling machining center of the main frame 1a is used for machining a workpiece of 900 mm in the industry of the main frame 1a with almost the same size, and the six-face numerical control drilling and milling machining center of the main frame a is used for machining a workpiece of 1200 mm. Therefore, the width of the machine is not increased basically, the defects that the width of the machine is wide, and the distortion and the rigidity of the welding section bar are difficult to ensure are greatly reduced, and the deformation of the front table top is greatly reduced.
The front table top is narrow in width, small in surface and short in cantilever, and has the advantages of small deformation and good support rigidity.
The two lower rails are attached to the two lower rail attachment surfaces 361a of the lower cross member 36a, and the two upper rails are attached to the two upper rail attachment surfaces 362a of the upper cross member 35 a.
The air-floating workbench b and the automatic blanking device c are respectively arranged at two sides of the frame a.
The front table 1f is mounted on the top surface of the table top support frame 8a, and the rear table 2f is mounted on the top surface of the rear upper beam 28a of the main frame 1 a. The front workbench 1f and the rear workbench 2f are separated by a certain distance in the X direction, and a clearance between the front workbench 1f and the rear workbench 2f forms a clearance space for the upper and lower movement of the lower machine head h.
As shown in fig. 1, 7 and 8, the beam device d is disposed on the frame a, one end of the beam device d extends above the air floating table b, the other end of the beam device d extends above the automatic blanking device c, and the clamp devices e are slidably mounted on the beam device d in parallel in the direction X.
The clamp device e comprises a clamp seat 1e, a clamp seat driving mechanism for driving the clamp seat 1e to slide back and forth in the X direction, a movable clamp 2e, a movable clamp driving mechanism for driving the movable clamp 2e to slide back and forth relative to a fixed clamp 3e so as to control the clamp device e to open and close, a fixed clamp Z-direction position adjusting mechanism arranged between the movable clamp 2e and the clamp seat 1e, and a positioning mechanism 5e for positioning a workpiece.
The clamp seat 1e includes a horizontal portion 10e, a clamp mounting portion 11e protruding upward and downward from one side of the horizontal portion 10e, and a clamp seat driving mechanism mounting portion 12e protruding downward from the other side of the horizontal portion 10 e. A rib 13e is connected between the clamp mounting portion 11e and the top surface of the clamp base horizontal portion 10 e. The clamp seat driving mechanism mounting part 12e comprises a connecting part 14e in the vertical direction connected with the horizontal part 10e of the clamp seat and a horizontal mounting part 15e arranged from the lower end of the connecting part 14e to the side away from the clamp mounting part 11e in a protruding mode, and a vertical reinforcing rib 16e is arranged between the connecting part 14e and the horizontal mounting part 15 e.
As shown in fig. 8, the clamp base guide mechanism includes an X-direction guide slider 17e having a slide groove 171e provided on the bottom surface of the horizontal portion 10e of the clamp base. The clamp base drive mechanism includes a motor 18e, a speed reducer 19e, and a gear (not shown) driven by the motor 18 e. The speed reducer 19e is mounted at the bottom of the horizontal mounting part 15e, a driving shaft of the speed reducer 19e passes through the horizontal mounting part 15e to be mounted with a gear mounted on the horizontal mounting part 15e, and the motor 18e is mounted at the bottom of the speed reducer 19 e.
The movable clamp 2e includes a clamping portion 20e and a mounting portion 21e perpendicular to each other, the clamping portion 20e and the mounting portion 21e are both a metal plate, and the mounting portion 21e is welded to a bottom surface of the clamping portion 20 e. An L-shaped concave part 201e is arranged at the jaw position of the clamping part 20e, the movable clamp 2e further comprises an upper clamping block 22e arranged on the L-shaped concave part 201e and an upper gluing clamping block 23e arranged on the upper clamping block 22e, and one side of the upper gluing clamping block 23e, which is opposite to the surface of the fixed clamp 3e, is slightly higher than the clamping part 20 e.
The movable clamp guiding mechanism includes two Z-guide sliders 35e fixed to the mounting portion 21e of the movable clamp 2e, and two Z-guide rails 36e fixed to the clamp mounting portion 11e of the clamp base 1e on the side away from the clamp horizontal portion 10 e. The Z-guide slider 35e and the Z-guide rail 36e are disposed between the mounting portion 21e of the movable clamp 2e and the clamp base 1e, and the Z-guide rail 36e is mounted in a slide groove of the Z-guide slider 35 e.
The fixed clamp 3e includes a clamping portion 31e and a mounting portion 32e perpendicular to each other, the clamping portion 31e and the mounting portion 32e are both metal plates, and the mounting portion 32e is welded on a bottom surface of the clamping portion 31 e. An L-shaped recess 331e is provided at the jaw position of the clamping portion 31e, the fixed clamp 3e further includes a lower clamping block 33e mounted on the L-shaped recess 331e, and a lower clamping block 34e mounted on the lower clamping block 33e, and one side of the lower clamping block 34e opposite to the fixed clamp 3e is slightly higher than the clamping portion 31 e. The holding portion 31e of the fixed clamp 3e is disposed directly below the holding portion 20e of the movable clamp 2 e. The top surface of the holding portion 20e of the movable jaw 2e is the highest plane of the jaw device e. The fixed clamp 3e further comprises two reinforcing parts 39e which are respectively arranged on two sides of the clamping part 31e and the installation part 32e and are connected with the clamping part 31e and the installation part 32e, and the two reinforcing parts 39e are metal plates.
The clamp device e further comprises a fixed cushion block 40e fixed on the clamp mounting part 11e and arranged on the two Z-direction guide rails 36e, and a fixed plate 41e fixed on the fixed cushion block 40 e. The mounting portion 32e of the fixed clamp 3e is fixed to the fixed plate 41 e. The mounting portion 21e of the movable clamp 2e is provided with a U-shaped clearance groove 24e of the clearance fixing plate 41 e. Two Z-guide rails 36e, two Z-guide sliders 35e, and a mounting portion 21e of the movable clamp 2e are interposed between the fixed plate 41e and the clamp mounting portion 11e, and the two Z-guide sliders 35e are respectively mounted on both sides of the U-shaped clearance groove 24e of the mounting portion 21e of the movable clamp 2 e. The clamp device comprises a fixed cushion block 40e and a fixed plate 41e, so that the fixed clamp 3e is simple in structure and convenient to install, the movable clamp 2e is simple in structure and convenient to install, a movement space is reserved for the movable clamp 2e, and the whole clamp e is simple in structure and convenient to install.
The fixed clamp Z-direction position adjusting mechanism comprises a Y-direction through hole 321E arranged on the fixed clamp 3E, and a Z-direction adjusting plane 3211E is arranged on the Y-direction through hole 321E. The clamp mounting portion 11E of the clamp holder 1E is fixed to the Y-direction through hole 321E of the fixed clamp 3E by an adjusting screw (not shown). The top surface of the clamping part 31e of the fixed clamp 3e can be adjusted to be flush with the table surface of the workbench through the fixed clamp Z-direction position adjusting mechanism.
The movable clamp driving mechanism is a driving air cylinder 37e arranged on the bottom surface of the clamping part 31e of the fixed clamp 3e, the driving shaft of the clamp driving mechanism is an air cylinder shaft 38e of the driving air cylinder 37e, and the air cylinder shaft 38e passes through the clamping part 31e of the fixed clamp 3e and is fixed with the clamping part 20e of the movable clamp 2 e.
The positioning mechanism 5e comprises a positioning column 50e arranged on the clamping part 31e of the fixed clamp 3e and opposite to the surface of the clamping part 20e of the movable clamp 2e, a roller 51e arranged on the positioning column 50e and used for positioning a workpiece, and a positioning hole 52e arranged on the clamping part 20e of the movable clamp 2 e; the workpiece roller 51e is arranged at a jaw position close to the fixed clamp 3 e; the roller 51e is inserted into the positioning hole 52e in a state where the movable jaw 2e and the fixed jaw 3e are closed.
The clamp device e further comprises a stress guide column 6e which is fixed on the surface of the clamping part 20e of the movable clamp 2e opposite to the fixed clamp 3e and used for reducing the deformation of the movable clamp 2e when the clamp device e clamps a workpiece, a stress guide hole 61e matched with the stress guide column 6e is arranged on the clamping part 31e of the fixed clamp 3e, and a guide sleeve 62e is installed in the stress guide hole 61 e. The force guide post 6e is always kept in the guide sleeve 62e of the force guide hole 61e during the opening and closing of the clamp device e. In the Y direction, the force receiving guide post 6e is interposed between the roller 51e and the mounting portion 32e of the fixed clamp 3 e. The top surface of the clamping portion 20e of the movable clamp 2e is higher than the top surface of the clamp base 1e or flush with the top surface of the clamp base 1e, and is the highest surface of the clamp mechanism.
The rigidity of the movable clamp device e is increased by inserting the two stress guide columns 6e arranged on the bottom surface of the clamping part 20e of the movable clamp 2e into the 2 guide sleeves 62e inlaid on the clamping part 31e of the fixed clamp 3e, so that the clamping part 20e of the movable clamp 2e can be designed into a plate shape, a structure similar to a reinforcing rib for increasing the rigidity of the movable clamp 2e does not need to be convexly arranged on the top surface of the movable clamp 2e, the deformation of the movable clamp 2e can be ensured within an allowable range when the movable clamp 2e and the fixed clamp 3e grasp a wood board, and the precision of the beam clamp module for transporting the wood board is ensured.
By inserting the force receiving guide post 6e of the movable clamp 2e into the clamping portion 20e of the fixed clamp 3e, the rigidity and deformation of the clamping device e can be ensured within the allowable range even if the clamping portion 20e of the movable clamp 2e and the clamping portion 31e of the fixed clamp 3e are lengthened in the direction perpendicular to the moving direction of the clamping device e. The movable clamp 2e and the fixed clamp 3e are lengthened in the motion direction of the vertical clamp device e, the length is generally 32mm, the number of drill bits of the lower machine head h entering the carry origin point is increased, the manufacturability is improved, and the convenience is realized. The number of the original drill bits is 4, which is increased to 6 at present, and the process requirement can be met.
The movable clamp 2e is designed into a plate shape, a reinforcing rib structure is not required to be added at the top of the movable clamp 2e, the thickness of the movable clamp 2e is greatly reduced, a cutter of the upper machine head i can move horizontally from the top plane of the movable clamp 2e to process the side face of a workpiece, the movement range of the upper machine head i is larger, and the upper machine head i is more convenient to process 5 faces of the workpiece.
The X-direction guide slide block 17e is arranged on the bottom surface of the clamp horizontal part 10e, and the driving cylinder 37e of the movable clamp 2e and the motor 18e of the driving mechanism of the clamp device e are respectively arranged on two sides of the X-direction guide slide block 17e and are arranged in the vertical direction, so that the Y-direction size of the clamp device e is greatly reduced, the clamp device e spans on the X-direction guide rail 2d of the cross beam 1d, the balance is better, the movement stability is better, and the moment arm generated by the driving mechanism of the movable clamp 2e and the driving mechanism of the clamp device e to the clamping part 20e of the movable clamp 2e is reduced.
Each clamping device e is positioned by two positioning rollers 42e, and the clamping device has the advantages that the friction is generated when the wood board is processed or moves relative to the positioning rollers 42e of the clamping devices e, so that the friction force between the positioning rollers 42e and the wood board is greatly reduced, the wood board is prevented from running, the processing error is greatly reduced, and the service life of the positioning rollers 42e is greatly prolonged.
The clamping part 31e of the fixed clamp 3e and the clamping part 20e of the movable clamp 2e are integrally designed, the movable clamp 2e and the fixed clamp 3e are guided by the Z-direction guide rail 36e and the stress guide column 6e at the front end, the strength and the rigidity of the clamping device e are greatly improved, the stability of the clamping device e for clamping the wood board in the moving process is greatly improved, the axis of the positioning roller 42e is always kept at the fixed position of the clamping device e, if the abrasion factor of the positioning roller 42e is not considered, the positioning reference cannot be changed, and therefore long-time accurate positioning can be guaranteed through one-time debugging.
As shown in fig. 2, the cross member device d includes a cross member 1d, an X-direction guide rail 2d mounted on the top surface of the cross member 1d to be engaged with the slide groove 171e of the X-direction guide slider 17e of the clamp device e, and an X-direction rack 3d engaged with the gear of the clamp device e on the side surface on which the cross member 1d is mounted, the X-direction rack 3d being directed downward. The motor 18e rotates the gear forward and backward through the reduction gear 19e, and drives the clamp device e to slide back and forth in the X direction by meshing with the X-direction rack 3 d.
As shown in fig. 6, the positioning mechanism for positioning the workpiece in the X direction is a positioning cylinder g. An empty avoiding groove with an opening facing the beam device d is arranged on the surface of the front workbench 1f facing the beam device d and close to the air floating workbench b. The positioning cylinder g is arranged below the fixing block 1g, the fixing block 1g is arranged below the front workbench 1f, and the cylinder shaft 2g penetrates through the fixing block 1g and is arranged in the clearance groove. The blocking and positioning cylinder g is adopted to control the cylinder shaft 2g to stretch out and draw back on the surface of the front workbench 1f, the installation position of the cylinder shaft 2g is close to the front, the cylinder shaft 2g is very close to the position where a person stands during processing, for small plates such as plates of 200-250 mm, when a worker places the plates, the worker can send the wood plates to the positioning part only by applying force on the arms without bending down, the labor intensity of the worker is reduced, and the safety accident caused by that the template is not clearly seen to touch a drill bit rotating at high speed due to too far distance is avoided, so that the safety is greatly increased.
As shown in FIG. 2, the upper machine head i comprises a Y-axis slide plate 1i mounted on the upper beam 35a of the gantry assembly 3a, a Y-axis slide plate driving mechanism for driving the Y-axis slide plate 1i to slide back and forth in the Y direction on the upper beam 35a of the gantry assembly 3a, a Y-axis slide plate guiding mechanism mounted between the upper beam 35a and the Y-axis slide plate 1i, a Z-axis slide plate 2i mounted on the Y-axis slide plate 1i, a Z-axis slide plate driving mechanism for driving the Z-axis slide plate 2i to slide back and forth in the Z direction on the Y-axis slide plate 1i, a Z-axis slide plate guiding mechanism mounted between the Y-axis slide plate 1i and the Z-axis slide plate 2i, a drilling unit 3i fixed in front of the Z-axis slide plate 2i, a milling unit 4i vertically movably mounted in front of the Z-axis slide plate 2i, and a milling unit driving mechanism for driving the milling unit 4, And the milling unit guide mechanism is arranged between the Z-axis sliding plate 2i and the milling unit 4 i.
The upper head i is slidably mounted back and forth on the rails of the two upper rail mounting surfaces 362a of the Y-axis slide guide mechanism of the upper beam 35 a. The lower head h is slidably mounted back and forth on the two lower rails of the lower cross member 36 a. The lower machine head h is arranged right below the front workbench 1f, the rear workbench 2f and the clearance space where the lower machine head h moves up and down, the upper machine head i is arranged right above the clearance space where the front workbench 1f, the rear workbench 2f and the lower machine head h move up and down, and the upper machine head i and the lower machine head h are opposite to each other up and down.
As shown in fig. 9 and 10, the drilling unit 3i is a pneumatic multi-spindle multi-row drill structure, and includes a drilling box 5i, a vertical drilling unit 6i and a horizontal drilling unit 7i mounted on the drilling box 5i, and the drilling unit tracks the workpiece pressing mechanism.
The drilling box 5i of the upper handpiece i comprises an upper drilling box 51i and a lower drilling box 52 i; the opposite surfaces of the upper drilling box 51i and the lower drilling box 52i are correspondingly provided with air groove pipeline grooves 53i, and the air groove pipeline grooves of the upper drilling box 51i and the lower drilling box 52i form a circulating air groove pipeline which is convenient for air to smoothly pass through to achieve a cooling function; the throttle valve 54i with good reliability is additionally arranged at the air inlet of the circulating type air tank pipeline, so that the air consumption of the gang drill combination of various types can be adjusted, the air source is reasonably used, and waste is avoided. The exhaust port of the circulating gas tank pipeline is provided with a dustproof high-exhaust muffler 55i, so that noise is greatly reduced, and wood chips, dust and the like are prevented from entering the gas tank pipeline of the inner cavity. By using the gas tank pipeline and groove structure, the temperature difference of the drilling box 5i is reduced by 5 DEG compared with the original structure
The angle is-15 degrees, so that the drilling unit tracks the workpiece pressing mechanism, the vertical drilling unit 6i, the horizontal drilling unit 7i and the like, and the working life is long and the working stability is good.
A cleaning function channel 56i and a dust blowing cleaning function channel 57i which blow dust to the surface of the workpiece to be processed and are communicated with the inner cavity of the dust hood are arranged in the drilling box 5i, and a high-pressure gas is connected into the cleaning function channel 56i and the dust blowing cleaning function channel 57i from the outside. Because of milling the in-process, the saw-dust is piled up on the work piece surface easily, and outside dust collecting system can not blow away completely, adds highly compressed wind through clean function passageway and lets the saw-dust of processing work piece form the inner loop in the suction hood, with outside dust collecting system combined action for the saw-dust can not pile up on processing the work piece. The sawdust on the surface of the workpiece to be processed is blown away before the workpiece is to be processed, and the sawdust on the surface of the workpiece is prevented from damaging the surface of the workpiece when the workpiece is continuously processed.
The vertical drilling unit 6i comprises twelve drill bits 61i, wherein nine drill bits 61i are arranged on the same straight line at equal intervals in the Y direction, the nine drill bits 61i are arranged in the front part of the drilling unit 3i, one drill bit 61i is arranged from front to back along the X direction at one side far away from the milling unit 4i and with the outermost drill bits arranged along the Y direction, and two drill bits 61i are arranged from front to back along the X direction at one side close to the milling unit 4i and with the outermost drill bits arranged along the Y direction; the projections of the twelve drill bits 61i of the vertical drilling unit 6i in the Z direction are all within the front table 1 f.
The horizontal drilling units 7i are two groups, one group is an X-direction bit horizontal drilling unit 71i, and the other group is a Y-direction bit horizontal drilling unit 72 i. Four X-direction bits 711i are symmetrically installed at the same height on the front and rear sides of the X-direction bit horizontal drilling unit 71i, and four Y-direction bits 712i are symmetrically installed at the same height on the left and right sides of the Y-direction bit horizontal drilling unit 72 i. The X-direction drill bit horizontal drilling unit 71i and the Y-direction drill bit horizontal drilling unit 72i are arranged on one side of nine equally-spaced Y-direction arranged drill bits 61i of the vertical drilling unit 6i, the X-direction drill bit horizontal drilling unit 71i is far away from the milling unit 4i, and the Y-direction drill bit horizontal drilling unit 72i is close to the milling unit 4 i.
As shown in fig. 11 to 14, the drilling unit tracking work piece pressing mechanism includes a pressing plate pressing mechanism and a pressing wheel pressing mechanism. The pressing plate pressing mechanism comprises a first pressing plate pressing mechanism 8i for pressing the workpiece when a hole site in the vertical direction of the left area of the top surface of the workpiece is processed and a second pressing plate pressing mechanism 9i for pressing the workpiece when a hole site in the vertical direction of the right area of the top surface of the workpiece is processed; the pressing wheel pressing mechanism comprises a first pressing wheel pressing mechanism 11i for pressing the workpiece when the horizontal hole position of the back side surface of the workpiece is processed, a second pressing wheel pressing mechanism 10i for pressing the workpiece when the horizontal hole position of the front side surface of the workpiece is processed, a third pressing wheel pressing mechanism 12i for pressing the workpiece when the horizontal hole position of the left side surface of the workpiece and the vertical hole position of the bottom surface of the workpiece are processed, and a fourth pressing wheel pressing mechanism 13i and a fifth pressing wheel pressing mechanism 14i for pressing the workpiece when the horizontal hole position of the right side surface of the workpiece is processed.
Aiming at the conditions that the deformation of a workpiece and the self deformation of the workpiece are influenced by external force when the workpiece is machined, a multi-region pressing plate pressing mechanism is added when holes in the vertical direction are machined; when a hole in the horizontal direction of the left, right, front and back directions is processed, a multi-region pressing wheel pressing mechanism is added; the pressing mechanism presses the corresponding part of the workpiece and then processes the workpiece, so that the processing stability is good, and the processed workpiece has high precision.
As shown in fig. 15 and 16, the first pressing wheel pressing mechanism 11i, the second pressing wheel pressing mechanism 10i, the third pressing wheel pressing mechanism 12i, the fourth pressing wheel pressing mechanism 13i and the fifth pressing wheel pressing mechanism 14i comprise a cylinder 101i fixed with the drilling box 5i, an inductive switch 103i installed on an end cover 102i of the cylinder 101i, a pressing wheel base 104i and a pressing wheel 105 i; the cylinder 101i includes two piston rods 106 i; two piston rods 106i are fixed to the pinch roller base 104i, and the pinch roller 105i is pivoted at the bottom of the pinch roller base 104 i.
As shown in fig. 17 to 20, the first pressing plate pressing mechanism 8i and the second pressing plate pressing mechanism 9i include a pressing plate cylinder 91i fixed to the drilling box 5i, a pressing plate sensing switch 93i installed on a pressing plate end cover 92i of the pressing plate cylinder 91i, a pressing plate base 94i, and a pressing plate 95 i; the platen cylinder 91i includes two platen piston rods 96 i; the two pressing plate piston rods 96i are fixed with the pressing plate seats 94i, and the pressing plates 95i are fixed at the bottoms of the pressing plate seats 94 i; the pressure plate 95i is provided with an arc portion coaxial with the vertical drill.
The pressing plate pressing mechanism is used for ejecting a piston rod in a self-made double-shaft cylinder through an external air source to drive a pressing plate to complete pressing work; the pressing wheel pressing mechanism enables a piston rod in the self-made double-shaft cylinder to be ejected out through an external air source, and drives the high-strength wear-resistant surface rubber coating pressing wheel to complete pressing work, so that the pressing effect is better.
As shown in fig. 14, the first platen pressing mechanism 8i is disposed away from the milling unit 4i, and the second platen pressing mechanism 9i is disposed close to the milling unit 4i, both outside the vertical drill 61 i. Seven arc parts coaxial with the corresponding seven vertical drills are arranged on the pressing plate 95i of the first pressing plate pressing mechanism 8i, and a clearance part for clearance with the first pressing wheel pressing mechanism 11i is further arranged; five arc parts coaxial with the corresponding five vertical drill bits 61i are arranged on the pressure plate 95i of the second pressure plate pressing mechanism 9 i; the pressing plates 95i of the first pressing plate pressing mechanism 8i and the second pressing plate pressing mechanism 9i are disposed outside the corresponding vertical drill bit 61 i.
Cylinders of the first pressing plate pressing mechanism 8i, the second pressing plate pressing mechanism 9i, the first pressing wheel pressing mechanism 11i and the third pressing wheel pressing mechanism 12i are arranged on the bottom surface of the drilling box 5 i; the second pressing wheel pressing mechanism 10i is installed on the rear side of the drilling box 5i, and the fourth pressing wheel pressing mechanism 13i and the fifth pressing wheel pressing mechanism 14i are installed on the right side of the drilling box 5i and are arranged between the drilling box 5i and the milling unit 4 i; the fourth pressing wheel pressing mechanism 13i is close to the second pressing plate pressing mechanism 9 i.
The first pinch roller pressing mechanism 11i is opposite to the X-direction horizontal drill 711i on the front side, the second pinch roller pressing mechanism 10i is opposite to the X-direction horizontal drill 711i on the rear side, the third pinch roller pressing mechanism 12i is opposite to the left Y-direction drill 712i, and the fifth pinch roller pressing mechanism 14i is opposite to the right Y-direction drill 712 i.
The pressing plate pressing mechanism and the pressing wheel pressing mechanism with the structure can play a good pressing effect on a workpiece during processing, are compact in structure, and basically do not need to increase the size of the drilling box 5 i.
Fixed preceding workstation 1f and fixed back workstation 2f need reserve the empty space of avoiding of lower drilling unit 3i, can satisfy once to accomplish six processing. Because the clearance space of the lower drilling unit 3i is reserved in the fixed front workbench 1f and the fixed rear workbench 2f, when a vertical hole in the clearance space is machined, a workpiece is bent and deformed under the influence of external force; because the holes of the two ends of the processing workpiece in the X direction are positioned on the clearance space, the thin plate is easier to deform per se, and the processing precision is greatly influenced; the requirements of the workpiece cannot be met. Thus, the vertical drill bits 61i for processing vertical hole sites are all arranged right above the front table 1 f; the defect that workpieces deform in the middle of the movement of the front table surface and the rear table surface can be overcome.
The twelve drill bits 61i are combined, so that the requirements of multiple customers are greatly met.
When the vertical hole position of the left area of the top surface of the workpiece is processed, the first pressing plate pressing mechanism 8i presses the workpiece.
The pressing plate 95i of the first pressing plate pressing mechanism 8i is pushed out by air first to press the workpiece, and the vertical drill bit 61i to be operated in the left area range of the air-feeding push-out is machined. Because the first pressing plate pressing mechanism 8i and the vertical drill bit 61i are controlled by independent electromagnetic valves, when a workpiece is machined, the air pressure of the first pressing plate pressing mechanism 8i is 0.3Mpa, the air pressure of the drill bit 61i is 0.5-0.7Mpa, and when the workpiece exceeds the pressure, the first pressing plate pressing mechanism 8i retracts to complete machining.
When the vertical hole position of the right area of the top surface of the workpiece is processed, the second pressing plate pressing mechanism 9i presses the workpiece.
The pressing plate 95i of the second pressing plate pressing mechanism 9i is firstly inflated to press the workpiece, and then the vertical drill bit 61i to be operated in the range of the right area of the top surface of the workpiece is inflated to finish the processing. Because the second pressing plate pressing mechanism 9i and the vertical drill bit 61i are controlled by independent electromagnetic valves, when a workpiece is machined, the air pressure of the drill bit 61i of the second pressing plate pressing mechanism 9i is 0.3Mpa to 0.5-0.7Mpa, and when the workpiece exceeds the pressure during machining, the second pressing plate pressing mechanism 9i retracts, and machining is completed.
When horizontal hole sites on the back side of the workpiece are machined, the first pressing wheel pressing mechanism 11i presses the workpiece.
Firstly, ejecting an X-direction drill bit 711i at the front side of the X-direction drill bit horizontal drilling unit 71i in an air supply mode, and controlling the first pressing wheel pressing mechanism 11i to eject in an air manner after the pressing wheel 105i presses and presses down to finish the action when a workpiece is fed to the head of the X-direction drill bit 711i at the front side of the X-direction drill bit horizontal drilling unit 71i by 30-50 mm; the workpiece is advanced to the hole site on the back side of the workpiece. The first pinch roller pressing mechanism 11i and the X-direction drill 711i are controlled by independent electromagnetic valves; when a workpiece is machined, the air pressure of the first pressing wheel pressing mechanism 11i is 0.3Mpa, the air pressure of the X-direction drill 711i is 0.5-0.7Mpa, and when the workpiece exceeds the pressure, the first pressing wheel pressing mechanism 11i retracts to finish machining.
When horizontal hole sites on the front side surface of the workpiece are machined, the second pressing wheel pressing mechanism 10i presses the workpiece.
Firstly, ejecting an X-direction drill bit 711i at the rear side of the X-direction drill bit horizontal drilling unit 71i in an air supply mode, and controlling the second pressing wheel pressing mechanism 10i to eject in an air supply mode when a workpiece is fed to the head of the X-direction drill bit 711i by 30-50mm and to be pressed down by a pressing wheel 105i to finish the action; after the workpiece is machined, a hole position on the front side surface of the workpiece is machined, and the second pressing wheel pressing mechanism 10i and the X-direction drill 711i are controlled by independent electromagnetic valves; when a workpiece is machined, the air pressure of the second pressing wheel pressing mechanism 10i is 0.3MpaX, and the air pressure of the second pressing wheel pressing mechanism 10i is 0.5-0.7Mpa towards the drill 711i, and when the workpiece exceeds the pressure during machining, the second pressing wheel pressing mechanism 10i retracts, so that the machining is completed.
When a horizontal hole position on the left side surface of the workpiece is machined and/or a vertical hole position on the bottom surface of the workpiece is machined, the third pressing wheel pressing mechanism 12i presses the workpiece.
Firstly, a Y-direction drill bit 712i on the left side of the Y-direction drill bit horizontal drilling unit 72i is pneumatically ejected, and the third pressing wheel pressing mechanism 12i is pneumatically ejected and pressed down by a pressing wheel 105i when a workpiece is fed to the head of the Y-direction drill bit 712i by 30-50mm to finish the action; the left side of the workpiece is fed to process the hole position on the left side surface of the workpiece, and the third pressing wheel pressing mechanism 12i and the Y-direction drill 712i are controlled by independent electromagnetic valves; when a workpiece is machined, the air pressure of the third pressing wheel pressing mechanism 12i is 0.3MpaY, and the air pressure of the drill 712i is 0.5-0.7Mpa, and when the workpiece exceeds the pressure, the third pressing wheel pressing mechanism 12i retracts, so that the machining is finished.
Firstly, the third pinch roller pressing mechanism 12i is ejected by air supply, and a vertical drill working at the lower drilling part upwards completes the action; because the third pinch roller pressing mechanism 12i and the vertical drill working at the lower drilling part are controlled by independent electromagnetic valves; when a workpiece is machined, the air pressure of the first pressing plate pressing mechanism 8i is 0.3Mpa, the vertical drilling air pressure is 0.5-0.7Mpa, when the workpiece exceeds the pressure during machining, the first pressing plate pressing mechanism 8i retracts, and machining is finished
When horizontal hole positions on the right side face of the workpiece are machined, the fourth pressing wheel pressing mechanism 13i and the fifth pressing wheel pressing mechanism 14i press the workpiece;
firstly, the Y-direction drill bit 712i on the right side of the Y-direction drill bit horizontal drilling unit 72i is pneumatically ejected, and the fourth pressing wheel pressing mechanism 13i and the fifth pressing wheel pressing mechanism 14i are pneumatically ejected when a workpiece is fed to the head of the Y-direction drill bit 712i by 30-50mm and are pressed down by the pressing wheel 105i to finish the action; because the clamp device e is used for solving the problem of avoiding, the fourth pressing wheel pressing mechanism 13i and the fifth pressing wheel pressing mechanism 14i are divided into two areas to be pressed, and the requirement that the workpiece is fed to the hole position on the right side surface of the machined workpiece in the right direction is met. Because the fourth pressing wheel pressing mechanism 13i, the fifth pressing wheel pressing mechanism 14i and the Y-direction drill 712i are controlled by independent electromagnetic valves, when a workpiece is machined, the air pressure of the fourth pressing wheel pressing mechanism 13i and the fifth pressing wheel pressing mechanism 14i is 0.3Mpa, and the air pressure of the Y-direction drill 712i is 0.5-0.7Mpa, when the workpiece exceeds the pressure, the fourth pressing wheel pressing mechanism 13i and the fifth pressing wheel pressing mechanism 14i retract to complete machining;
as shown in fig. 19 to 22, the milling unit 4i includes a milling unit slide 40i, an electric spindle 41i mounted on the milling unit slide 40i, a milling cutter 42i, and a milling unit tracking work pressing mechanism 43 i.
The milling unit tracking workpiece pressing mechanism 43i comprises a mounting seat arranged on the milling unit sliding plate 40i, a material pressing sliding seat and a sliding seat driving mechanism, wherein the material pressing sliding seat and the sliding seat driving mechanism are arranged on the mounting seat in a vertically sliding manner; the pressing device comprises a pressing cylinder fixed on a pressing sliding seat and a pressing piece fixed at the piston end of the pressing cylinder.
The mounting seat of the workpiece tracking pressing mechanism 43i of the milling unit comprises a spindle pressing bracket plate 431i, the rear side surface of which is fixed on the milling unit sliding plate 40i, a spindle pressing fixing seat 432i which is fixed on the bottom surface of the spindle pressing bracket plate 431i and is provided with a U-shaped groove with an upward opening, and a side pull plate 433i, one side surface of which is fixed on the spindle pressing fixing seat 432i, and the other side surface of which is fixed on the milling unit sliding plate 40 i.
A shim plate 44i is mounted on the top surface of the spindle holder plate 431 i. The sliding seat driving mechanism comprises a servo motor 45i installed on the top surface of the base plate 44i, a bearing seat 46i, a single-row angular contact ball bearing installed in the bearing seat 46i, a bearing seat fixing plate 461i, a screw rod pair 47i with the upper end penetrating through the bearing seat 46i and the ball bearing and connected with an output shaft of the motor, and a screw rod seat 471i installed on the screw rod pair 47 i; a slide block 473i fixed to the rear side surface of the swaging slide base 472i on both sides of the screw base 471i, and a guide rail 474i fixed to the front side surface of the spindle swaging holder 432i in cooperation with the slide block 473 i. The screw seat 471i is fixed to the pressing slide 472 i. The swaging sliding seat 472i and the bearing seat fixing plate 461i are respectively disposed at two sides of the spindle swaging fixing seat 432i, and the bearing seat fixing plate 461i is fixed with the spindle swaging fixing seat 432i and disposed at the top of the spindle swaging fixing seat 432 i.
The milling unit tracking workpiece pressing mechanism 43i further comprises a material pressing cylinder seat 48i fixed on the material pressing sliding seat 472 i; the swaging cylinders comprise a left swaging cylinder 481i fixed on the left side of the swaging cylinder seat 48i, a right swaging cylinder 482i fixed on the right side of the swaging cylinder seat 48i, a left swaging plate 483i fixed on the piston end of the left swaging cylinder 481i, and a right swaging plate 484i fixed on the piston end of the right swaging cylinder 482 i;
the milling unit tracking workpiece pressing mechanism 43i further includes a lower fixing plate 434i fixed on the bottom surface of the spindle swaging fixing seat 432i, a spindle swaging fixing seat 432i protruding from the front side of the lower fixing plate 434i, a slide upper limit rubber bar (not shown) fixed on the bottom surface of the front side of the spindle swaging bracket plate 431i, and a slide lower limit rubber bar 435i fixed on the top surface of the front side of the lower fixing plate 434 i.
The material pressing cylinder seat 48i is Y-shaped and comprises a cylinder seat vertical part 485i and a U-shaped part 486i provided with a U-shaped clearance groove facing the material pressing slide seat 472i and used for clearance of a screw rod, and the U-shaped part 486i penetrates through the U-shaped groove on the main shaft material pressing fixed seat 432i and is fixed on the material pressing slide seat 472 i; the left swaging cylinder 481i and the right swaging cylinder 482i are respectively fixed on two opposite side surfaces of the cylinder seat vertical portion 485 i.
The left pressure plate 483i is L-shaped and comprises a pressure plate horizontal mounting part 4831i, a pressure plate vertical connecting part 4832i and a horizontal pressure plate 4833 i; the horizontal pressing plate mounting part 4831i and the horizontal pressing part 4833i are arranged on the same side of the vertical pressing plate connecting part 4832i, the horizontal pressing part 4833i is provided with an empty-avoiding open slot, and the horizontal pressing plate mounting part 4831i avoids the empty-avoiding open slot on the horizontal pressing part 4833i in the vertical direction;
the right pressure plate 484i and the left pressure plate 483i are basically symmetrical in structure, and only the horizontal pressure section 4833i is slightly different in structure; the empty-avoiding open groove of the right pressure plate 484i is arranged opposite to the empty-avoiding open groove of the left pressure plate 483i so as to facilitate the empty avoidance of the main shaft during processing.
A drill spindle dust hood 49i is further fixed on the bottom surface of the lower fixing plate 434i, and a right presser plate 484i and a left presser plate 483i are installed in the drill spindle dust hood 49i fixed on the lower fixing plate 434 i.
The milling unit tracking workpiece pressing mechanism 43i is fixed to the milling unit slide plate 40i through the spindle swaging bracket plate 431i and the side pulling plate 433 i.
The milling unit sliding plate 40i is stretched by the air cylinder to complete Z-up and down movement. The milling unit tracking workpiece pressing mechanism 43i is a precision digitally controlled double-cylinder double-area tracking workpiece pressing mechanism. The milling unit tracks the workpiece pressing mechanism 43i, a servo motor 45i under precise digital control drives a screw rod set to enable a material pressing sliding seat 472i to move up and down, and cylinder shafts of a left material pressing cylinder 481i and a right material pressing cylinder 482i in double areas are ejected out to finish material pressing.
In the milling unit 4i, a milling unit tracking workpiece pressing mechanism 43i is additionally arranged, so that groove drawing and anisotropic machining of a main shaft can be realized, and market requirements are met; aiming at various workpieces, particularly smooth workpieces with surfaces easy to scratch, the milling unit tracking workpiece pressing mechanism 43i can track the workpieces along with the main shaft to realize pressing processing on the workpieces, so that the surfaces of the workpieces are not scratched during milling.
Since the wood has deformation, when the milling unit 4i downwardly processes the workpiece, the milling unit tracks the workpiece pressing mechanism 43i and the left pressing member and the right pressing member mounted on the material pressing slide seat 472i are driven by the slide seat driving mechanism to control the up-down stroke of the left pressing member and the right pressing member. For example: the milling unit 4i machines the workpiece 5mm downwards and the milling unit moves 5mm upwards following the workpiece pressing mechanism 43 i. The clamping device e is avoided, the edge section of the workpiece can be completely processed, the pressing pieces are controlled in two areas, and the left pressing piece and the right pressing piece need to be used, so that when the workpiece is processed, the dead-angle-free processing area can be realized by tracking and limiting processing; when in processing, the left pressing part and the right pressing part are 0.2-0.5MM away from the workpiece for limiting, the surface of the workpiece is not directly pressed for processing, and the phenomena of surface scratch of the workpiece and the like are reduced.
The structure of the lower machine head h is as shown in fig. 1 to 3, the lower machine head h comprises a Y-axis slide plate arranged on a lower beam 36a of a portal frame assembly 3a, a Y-axis slide plate driving mechanism for driving the Y-axis slide plate to slide back and forth in the Y direction on the lower beam 36a of the portal frame assembly 3a, a Y-axis slide plate guiding mechanism arranged between the lower beam 36a and the Y-axis slide plate, a Z-axis slide plate arranged on the Y-axis slide plate, a Z-axis slide plate driving mechanism for driving the Z-axis slide plate to slide back and forth in the Z direction on the Y-axis slide plate, a Z-axis slide plate guiding mechanism arranged between the Y-axis slide plate and the Z-axis slide plate, and a drilling unit. One approach includes a drilling unit comprising a vertical drilling unit; the other mode comprises a drilling unit and a milling unit, wherein the drilling unit comprises a drilling box and a vertical drilling unit. The lower head h does not require a horizontal drilling unit. The lower head h is of conventional construction and will not be described in detail
Six numerical control machining center's last aircraft nose i includes drilling unit 3i and lower aircraft nose h includes the unit of boring down, and drilling unit 3i includes horizontal drilling unit 7i and vertical drilling unit 6i, and the unit of boring down includes the vertical drilling unit, therefore can accomplish six drilling processing. The upper machine head i comprises a milling unit 4i, and milling machining of the top surface of the workpiece can be completed. The lower head h, if also comprising the milling unit 4i, can complete the milling of the bottom surface of the workpiece. A motor in the drilling unit drives a gear to drive the vertical hole and the horizontal hole, and air is supplied to an air cylinder to eject the vertical drill and the horizontal drill to complete work.
Example 2
Different from the embodiment 1, the drilling unit of the lower machine head comprises a drilling unit 100 and a drilling unit 101 which are fixed in front of the Z-axis sliding plate and are arranged in parallel.
The embodiment 1 and the embodiment 2 of the present invention can be used with the backup plate device, and because of the existing structure, detailed description is not needed.
Above, it is only the preferred embodiment of the present invention, not to limit the present invention in any form, although the present invention has been disclosed with the preferred embodiment, but not to limit the present invention, those skilled in the art can make modifications or equivalent embodiments with equivalent changes when using the above disclosed technical content without departing from the technical scope of the present invention, but all the modifications, substitutions, improvements and the like made to the above embodiments within the spirit and principle of the present invention still belong to the protection scope of the technical scheme of the present invention.
The utility model discloses in, preceding, back, left and right are for writing the convenience, are not to the restriction to the protection scope.
Claims (10)
1. A six-face drilling and milling machining center comprises a rack, an air floatation workbench, a blanking device, a cross beam device, at least two clamp devices capable of working independently, a workbench device, a lower machine head and an upper machine head;
the air floatation workbench and the blanking device are respectively arranged on two sides of the frame;
the cross beam device is arranged on the frame, one end of the cross beam device extends to the upper part of the air floatation workbench, the other end of the cross beam device extends to the upper part of the blanking device, and the clamp devices can be arranged on the cross beam device in parallel in a way of sliding back and forth in the X direction relative to the cross beam device;
the upper machine head can be arranged on the frame in a reciprocating sliding manner; the lower machine head can be arranged on the rack in a reciprocating sliding manner;
the upper head comprises a Y-axis sliding plate arranged on an upper cross beam of the gantry frame assembly, a Y-axis sliding plate driving mechanism for driving the Y-axis sliding plate to slide in a Y direction back and forth on the upper cross beam of the gantry frame assembly, a Y-axis sliding plate guiding mechanism arranged between the upper cross beam and the Y-axis sliding plate, a Z-axis sliding plate arranged on the Y-axis sliding plate, a Z-axis sliding plate driving mechanism for driving the Z-axis sliding plate to slide in a Z direction back and forth on the Y-axis sliding plate, a Z-axis sliding plate guiding mechanism arranged between the Y-axis sliding plate and the Z-axis sliding plate, a drilling unit fixed on the Z-axis sliding plate, a milling unit movably arranged on the Z-axis sliding plate up and down, a milling unit driving mechanism for driving the milling unit to slide in the Z direction back and forth on the Z-;
the method is characterized in that:
the drilling unit comprises a drilling box, a vertical drilling unit and a horizontal drilling unit, wherein the vertical drilling unit and the horizontal drilling unit are arranged on the drilling box;
the drilling unit tracking workpiece pressing mechanism comprises a first pressing plate pressing mechanism for pressing a workpiece when a hole site in the vertical direction of the left area of the top surface of the workpiece is processed, a second pressing plate pressing mechanism for pressing the workpiece when a hole site in the vertical direction of the right area of the top surface of the workpiece is processed, a first pressing wheel pressing mechanism for pressing the workpiece when a horizontal hole site on the rear side surface of the workpiece is processed, a second pressing wheel pressing mechanism for pressing the workpiece when a horizontal hole site on the front side surface of the workpiece is processed, a third pressing wheel pressing mechanism for pressing the workpiece when a horizontal hole site on the left side surface of the workpiece and a vertical hole site on the bottom surface of the workpiece are processed, a fourth pressing wheel pressing mechanism for pressing the workpiece when a horizontal hole site on the right side;
the milling unit comprises a milling unit sliding plate which can be movably arranged on the Z-axis sliding plate up and down, an electric spindle arranged on the milling unit sliding plate, and a milling unit tracking workpiece pressing mechanism.
2. The six-sided drilling and milling machining center according to claim 1, wherein:
the milling unit tracking workpiece pressing mechanism comprises a mounting seat arranged on a milling unit sliding plate, a material pressing sliding seat arranged on the mounting seat in a vertically sliding manner and a sliding seat driving mechanism; the pressing device comprises a pressing cylinder fixed on a pressing sliding seat and a pressing piece fixed at the piston end of the pressing cylinder.
3. The six-sided drilling and milling machining center according to claim 2, characterized in that:
the mounting seat of the milling unit tracking workpiece pressing mechanism comprises a main shaft pressing bracket plate and a main shaft pressing fixing seat, wherein one side of the main shaft pressing bracket plate is fixed on a sliding plate of the milling unit;
the slide seat driving mechanism comprises a servo motor arranged on the top of the spindle pressing bracket plate, a screw rod pair, a screw rod seat, a slide block and a guide rail, wherein the upper end of the screw rod pair is connected with an output shaft of the servo motor; the screw rod seat is fixed on the material pressing sliding seat;
the milling unit tracking workpiece pressing mechanism further comprises a material pressing cylinder seat fixed on the material pressing sliding seat; the material pressing cylinder comprises a left material pressing cylinder fixed on the left side of the material pressing cylinder seat, a right material pressing cylinder fixed on the right side of the material pressing cylinder seat, a left material pressing plate fixed at the piston end of the left material pressing cylinder and a right material pressing plate fixed at the piston end of the right material pressing cylinder;
the milling unit tracking workpiece pressing mechanism further comprises a lower fixing plate fixed at the bottom of the main shaft pressing fixing seat, and one side of the lower fixing plate, facing the pressing sliding seat, protrudes out of the main shaft pressing fixing seat;
an upper elastic limiting part of the sliding seat is fixed on the bottom surface of the main shaft material pressing bracket plate, and a lower elastic limiting part of the sliding seat is fixed on the top surface of the lower fixing plate.
4. The six-sided drilling and milling machining center according to claim 1, wherein: the frame comprises a main frame, and the main frame comprises a main frame seat, a gantry frame assembly, a left rear cross beam reinforcement, a left front cross beam reinforcement, a right rear cross beam reinforcement and a table top support frame;
the main frame base is of an integrally closed frame structure and comprises stand columns arranged on four corners and a beam for connecting the stand columns on two adjacent corners;
the portal frame assembly is of a closed frame structure and comprises an upper cross beam, a lower cross beam and upright columns connected with the two ends of the upper cross beam and the lower cross beam; an upper guide rail mounting surface is arranged on the front side surface of the upper cross beam, or an upper guide rail mounting surface is arranged on the front side surface of the upper cross beam and a lower guide rail mounting surface is arranged on the front side surface of the lower cross beam;
the top surfaces of the beams on the left side and the right side of the main frame base are on the same horizontal plane and are installation surfaces of the portal frame assembly, and the portal frame assembly is installed on the top surfaces of the beams on the left side and the right side;
the workbench device comprises a front workbench and a rear workbench;
the front workbench and the rear workbench are arranged on the main frame; the front workbench and the rear workbench are separated by a certain distance in the X direction, and a clearance between the front workbench and the rear workbench forms a clearance space for the upper and lower movement of the lower machine head;
the lower machine head is arranged right below the front workbench, the rear workbench and the clearance space in which the lower machine head moves up and down, and the upper machine head is arranged right above the front workbench, the rear workbench and the clearance space in which the lower machine head moves up and down.
5. The six-sided drilling and milling machining center according to claim 4, wherein:
the table top support frame is also included; the upright column on one corner is higher than the upright columns on the other three corners, the top surfaces of the upright columns are inclined planes, and the top surfaces of the upright columns on the other three corners are on the same horizontal plane;
a workbench mounting rack is arranged on a beam parallel to the portal frame assembly on one side of the upright column and the portal frame assembly, the top surface of which is an inclined plane;
the table top supporting frame and the table top supporting frame are arranged on the workbench mounting frame; the top surface of the table-board support frame is an installation surface of the workbench, the top surface of a beam parallel to the portal frame component on the other side of the portal frame component is an installation surface of the rear workbench, and the installation surface of the workbench and the installation surface of the rear workbench are on the same horizontal plane;
the front workbench is arranged on the top surface of the table-board support frame, and the rear workbench is arranged on the top surface of the main frame beam deviating from the table-board support frame;
the upper machine head can be arranged on the upper cross beam in a sliding manner back and forth; the lower machine head can be arranged on the lower cross beam in a reciprocating sliding way.
6. The six-sided drilling and milling machining center according to claim 1, wherein:
the positioning mechanism for positioning the workpiece in the X direction is a positioning cylinder; an empty avoiding groove with an opening facing the cross beam device is arranged on the surface of the front workbench facing the cross beam device and close to the air floating workbench; the cylinder is arranged on the frame below the front workbench, and the cylinder shaft is arranged in the clearance groove.
7. The six-sided drilling and milling machining center according to claim 1, wherein:
the clamp device comprises a clamp seat, a clamp seat driving device for driving the clamp seat to slide back and forth in the X direction, a fixed clamp, a movable clamp and a movable clamp driving mechanism for driving the movable clamp to slide back and forth up and down relative to the fixed clamp so as to control the clamp device to open and close; the positioning mechanism is used for positioning the workpiece;
a movable clamp guiding mechanism for the movable clamp to slide up and down is arranged between the movable clamp and the clamp seat;
the clamp seat comprises a horizontal part, a clamp installation part vertically and convexly arranged on one side of the horizontal part, and a clamp seat driving device installation part vertically and convexly arranged on the other side of the horizontal part;
the clamp seat driving device is arranged on a clamp seat driving device installation part which is far away from the clamp installation part, a clamp seat guiding mechanism for the clamp seat to slide back and forth is arranged at the bottom of the horizontal part of the clamp seat, and the clamp seat guiding mechanism is arranged between the clamp installation part and the clamp seat driving device installation part;
the movable clamp comprises a clamping part and an installation part which are vertical to each other;
the fixed clamp comprises a clamping part and an installation part which are vertical to each other;
the movable clamp guiding mechanism is arranged between the mounting part of the movable clamp and the clamp mounting part, and the movable clamp can be mounted on the clamp mounting part deviating from the clamp seat driving device in a back-and-forth sliding manner; the mounting part of the fixed clamp is fixed with the clamp mounting part and is arranged on the same side of the clamp seat driving device mounting part with the movable clamp; the movable clamp guiding mechanism and the mounting part of the movable clamp are arranged between the mounting part of the fixed clamp and the clamp mounting part;
the positioning mechanism is arranged on the clamping part of the fixed clamp, the clamping part of the movable clamp is arranged right above the clamping part of the fixed clamp, and the positioning mechanism is arranged between the clamping part of the fixed clamp and the clamping part of the movable clamp;
the clamping device also comprises a stress guide column which is fixed on the clamping part of the movable clamp relative to the clamping part surface of the fixed clamp and is used for reducing the deformation of the clamping part of the movable clamp when the clamping device clamps a workpiece, and a stress guide hole matched with the stress guide column is arranged on the clamping part of the fixed clamp; the stressed guide column is always kept in the stressed guide hole in the opening and closing processes of the clamp device.
8. The six-sided drilling and milling machining center according to claim 1, wherein: the drilling box of the upper machine head comprises an upper drilling box and a lower drilling box; the opposite surfaces of the upper drilling box and the lower drilling box are correspondingly provided with air channel pipeline grooves, the air channel pipeline grooves of the upper drilling box and the lower drilling box form a circulating air channel pipeline, and the circulating air channel pipeline is convenient for air to smoothly pass through to achieve a cooling function; a throttle valve with good reliability is added at the air inlet of the circulating air tank pipeline; and a dustproof exhaust muffler is arranged at the exhaust port of the circulating gas tank pipeline.
9. The six-sided drilling and milling machining center according to claim 1, wherein: and a Z-direction cleaning function channel which blows dust on the surface of the workpiece to be processed and is communicated with the inner cavity of the dust hood is arranged in the drilling box, and the cleaning function channel is communicated with external high-pressure air.
10. A six-sided drilling and milling machining center according to any one of claims 1 to 9, wherein:
the pressing plate pressing mechanism comprises an air cylinder fixed with the drilling box, an induction switch arranged on an end cover of the air cylinder, a pressing plate seat and a pressing plate; the cylinder comprises two piston rods; the two piston rods are fixed with the pressure plate seat, and the pressure plate is fixed at the bottom of the pressure plate seat; the pressing plate is provided with an arc part coaxial with the vertical drill;
the pressing wheel pressing mechanism comprises a cylinder fixed with the drilling box, an inductive switch arranged on an end cover of the cylinder, a pressing wheel seat and a pressing wheel; the cylinder comprises two piston rods; two piston rods are fixed with the pinch roller seat, and the pinch roller is pivoted at the bottom of the pinch roller seat.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2018102675512 | 2018-03-28 | ||
| CN201810267551 | 2018-03-28 |
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| CN210282589U true CN210282589U (en) | 2020-04-10 |
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| CN201920405300.6U Active CN210282607U (en) | 2018-03-28 | 2019-03-27 | Machine head of numerical control equipment |
| CN201920405380.5U Withdrawn - After Issue CN210282589U (en) | 2018-03-28 | 2019-03-27 | Six-face drilling and milling machining center |
| CN201910237455.8A Active CN110000869B (en) | 2018-03-28 | 2019-03-27 | Six-face drilling and milling machining center |
| CN201920405377.3U Active CN210282608U (en) | 2018-03-28 | 2019-03-27 | Main frame of numerical control equipment and numerical control equipment |
| CN201920406690.9U Active CN209986627U (en) | 2018-03-28 | 2019-03-27 | Automatic conveying platform of feeding location |
| CN201920405299.7U Active CN210282606U (en) | 2018-03-28 | 2019-03-27 | Numerical control equipment's clamping device and numerical control equipment |
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| CN201920405300.6U Active CN210282607U (en) | 2018-03-28 | 2019-03-27 | Machine head of numerical control equipment |
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| CN201910237455.8A Active CN110000869B (en) | 2018-03-28 | 2019-03-27 | Six-face drilling and milling machining center |
| CN201920405377.3U Active CN210282608U (en) | 2018-03-28 | 2019-03-27 | Main frame of numerical control equipment and numerical control equipment |
| CN201920406690.9U Active CN209986627U (en) | 2018-03-28 | 2019-03-27 | Automatic conveying platform of feeding location |
| CN201920405299.7U Active CN210282606U (en) | 2018-03-28 | 2019-03-27 | Numerical control equipment's clamping device and numerical control equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110000869A (en) * | 2018-03-28 | 2019-07-12 | 南兴装备股份有限公司 | A kind of six face drilling and milling centers |
| CN112462692A (en) * | 2020-12-01 | 2021-03-09 | 上海维宏电子科技股份有限公司 | Method, system, device, processor and storage medium for realizing cutter path planning and double drill packets for numerical control six-face drilling cutting machine |
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| CN110561119B (en) * | 2019-09-20 | 2022-03-22 | 周广琴 | Multifunctional six-sided drill |
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| CN113001687B (en) * | 2021-03-15 | 2021-11-05 | 南兴装备股份有限公司 | Machining center and machining method for switching clamping, feeding, discharging, machining and positioning |
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| CN104526786B (en) * | 2014-12-15 | 2016-08-24 | 营口鑫白云机械有限公司 | Carpenter's numerically controlled processing equipment |
| CN205343338U (en) * | 2016-01-22 | 2016-06-29 | 东莞市南兴家具装备制造股份有限公司 | Duplex head double -clamp drilling machining center's head structure |
| CN105619537B (en) * | 2016-01-22 | 2019-05-07 | 南兴装备股份有限公司 | The crossbeam and clamp structure of Double-head double fastener pincers drill hole processing center |
| CN205521772U (en) * | 2016-01-22 | 2016-08-31 | 东莞市南兴家具装备制造股份有限公司 | Duplex head double -clamp drilling machining center's workstation structure |
| CN105562754B (en) * | 2016-01-22 | 2017-12-01 | 南兴装备股份有限公司 | Double-head double fastener clamps drill hole processing center |
| CN105563567B (en) * | 2016-03-08 | 2017-10-27 | 厦门吉信德宠物用品有限公司 | The full-automatic continuous processing equipment of solid wood part |
| CN106670809A (en) * | 2016-12-27 | 2017-05-17 | 沈阳机床成套设备有限责任公司 | Numerically-controlled machine tool for finish machining of big and small head holes of fracture splitting connecting rod of engine |
| CN210282607U (en) * | 2018-03-28 | 2020-04-10 | 南兴装备股份有限公司 | Machine head of numerical control equipment |
-
2019
- 2019-03-27 CN CN201920405300.6U patent/CN210282607U/en active Active
- 2019-03-27 CN CN201920405380.5U patent/CN210282589U/en not_active Withdrawn - After Issue
- 2019-03-27 CN CN201910237455.8A patent/CN110000869B/en active Active
- 2019-03-27 CN CN201920405377.3U patent/CN210282608U/en active Active
- 2019-03-27 CN CN201920406690.9U patent/CN209986627U/en active Active
- 2019-03-27 CN CN201920405299.7U patent/CN210282606U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110000869A (en) * | 2018-03-28 | 2019-07-12 | 南兴装备股份有限公司 | A kind of six face drilling and milling centers |
| CN110000869B (en) * | 2018-03-28 | 2024-03-15 | 南兴装备股份有限公司 | Six-face drilling and milling machining center |
| CN112462692A (en) * | 2020-12-01 | 2021-03-09 | 上海维宏电子科技股份有限公司 | Method, system, device, processor and storage medium for realizing cutter path planning and double drill packets for numerical control six-face drilling cutting machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110000869A (en) | 2019-07-12 |
| CN210282607U (en) | 2020-04-10 |
| CN210282608U (en) | 2020-04-10 |
| CN209986627U (en) | 2020-01-24 |
| CN210282606U (en) | 2020-04-10 |
| CN110000869B (en) | 2024-03-15 |
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