CN115741189A

CN115741189A - Compact carving mills lathe

Info

Publication number: CN115741189A
Application number: CN202111032124.4A
Authority: CN
Inventors: 周振财; 赵挺; 彭嘉伟; 马富华; 李玉柳; 李同
Original assignee: Guangdong Kejie Technology Co Ltd
Current assignee: Guangdong Kejie Technology Co Ltd
Priority date: 2021-09-03
Filing date: 2021-09-03
Publication date: 2023-03-07
Anticipated expiration: 2041-09-03
Also published as: CN115741189B

Abstract

The invention relates to a compact engraving and milling machine tool. The compact engraving and milling machine tool comprises a machine shell, and a rotary workbench, a lifting partition plate, a spindle box, a first tool changing mechanism and a cleaning mechanism which are arranged in the machine shell, wherein two clamps are arranged on the rotary workbench, and the lifting partition plate is vertically arranged above the rotary workbench and positioned between the two clamps to divide the interior of the machine shell into a workpiece machining area and a workpiece replacing area; the main shaft box is arranged in the workpiece machining area, so that the main shaft is positioned above the clamp, the first tool changing mechanism is arranged in the workpiece machining area and positioned on one side of the main shaft, and the cleaning mechanism is arranged in the workpiece replacing area. According to the compact engraving and milling machine tool, the functional mechanisms are arranged in the compact space, the mechanism of the whole machine is more compact by means of an ingenious mechanical structure, the synchronous processing of processing and replacement and cleaning is realized, and the processing efficiency is greatly improved.

Description

Compact carving mills lathe

Technical Field

The invention relates to the technical field of machining equipment, in particular to a compact engraving and milling machine tool.

Background

Milling machines (milling machines) are generally machine tools that use milling cutters to machine various surfaces of a workpiece. Typically the milling cutter is moved primarily in a rotary motion and the movement of the workpiece and the milling cutter is a feed motion. It can be used for processing plane, groove, various curved surfaces and gears.

The milling machine is a machine tool for milling a workpiece by using a milling cutter. The milling machine can mill planes, grooves, gear teeth, threads and spline shafts, can also process complex molded surfaces, has higher efficiency than a planer, and is widely applied to mechanical manufacturing and repairing departments.

The milling machine is a machine tool with wide application, and can process planes (horizontal planes and vertical planes), grooves (key grooves, T-shaped grooves, dovetail grooves and the like), tooth dividing parts (gears, spline shafts and chain wheels), spiral surfaces (threads and spiral grooves) and various curved surfaces on the milling machine. In addition, the method can be used for machining the surface and inner hole of the revolving body, cutting off the revolving body, and the like. When the milling machine works, a workpiece is arranged on a workbench or an indexing head and other accessories, the milling cutter rotates into main motion, and the workpiece can obtain a required processing surface by the aid of the feeding motion of the workbench or the milling head. Since the multi-edge intermittent cutting is performed, the productivity of the milling machine is high.

Because current milling machine need include a plurality of devices cooperation such as workstation, anchor clamps, washing shower nozzle and chip removal device, and inside the milling machine, milling cutter removes and needs sufficient space, consequently the milling machine overall structure who is equipped with a plurality of functional device is complicated for milling machine occupation space is great, and when current milling machine wants to carry out the tool changing operation, mostly for shutting down the back manual change, perhaps shut down the back when changing the work piece and change, consequently machining efficiency has been influenced greatly.

Disclosure of Invention

Based on the above, the invention provides a compact engraving and milling machine tool, which comprises a machine shell, and a rotary workbench, a lifting partition plate, a spindle box, a first tool changing mechanism and a cleaning mechanism which are arranged in the machine shell, wherein the machine shell is provided with a mounting port and a chip removal port;

the spindle box is arranged in the workpiece machining area, a spindle for installing a milling cutter is arranged on the spindle box and is located above the fixture, the first tool changing mechanism is arranged inside the workpiece machining area and is located on one side of the spindle, and the cleaning mechanism is arranged inside the workpiece replacing area.

Further, the rotary worktable comprises a base, a rotary table, a junction box, a first clamp and a second clamp, a first driving motor is arranged in the base, and the first driving motor drives the rotary table to rotate relative to the base through a driving turbine rod;

the junction box, the first clamp and the second clamp are arranged on the upper surface of the rotating table, the first clamp and the second clamp are located on two sides of the junction box, an installation cavity is formed inside the junction box, a plurality of first plug holes and a plurality of second plug holes are formed in the junction box, the first plug holes are formed in one side, facing the first clamp, of the junction box, the second plug holes are formed in one side, facing the second clamp, of the junction box, and the first plug holes and the second plug holes are communicated with the installation cavity respectively;

a first wiring channel is formed in the rotating platform, a second wiring channel is formed in the base, and the first wiring channel is communicated with the installation cavity through the second wiring channel.

Furthermore, a first wire fixing plate is arranged in the first wire distribution channel, a plurality of first through holes are formed in the first wire fixing plate, a second wire fixing plate is arranged in the second wire distribution channel, a plurality of second through holes are formed in the second wire fixing plate, the first wire fixing plate is fixedly connected with the rotating table, and the second wire fixing plate is fixedly connected with the base.

Further, the first line fixing plate comprises a first support plate and a second support plate, the second line fixing plate comprises a third support plate and a fourth support plate, and the first support plate, the second support plate, the third support plate and the fourth support plate are of semicircular plate-shaped structures;

the straight line edge of the first support plate and the straight line edge of the second support plate are provided with a plurality of grooves, the straight line edge of the first support plate and the straight line edge of the second support plate are mutually abutted, and the grooves in the first support plate and the grooves in the second support plate are matched to form the first through hole;

and a plurality of grooves are formed in the linear edges of the third support plate and the fourth support plate, the linear edges of the third support plate and the fourth support plate are mutually abutted, and the grooves in the third support plate and the grooves in the fourth support plate are matched to form the second through holes.

Furthermore, the lifting partition plate is parallel to the first clamp and the second clamp and moves back and forth along the vertical direction, and an accommodating groove is formed in one end, close to the junction box, of the lifting partition plate;

when the lifting partition plate moves towards the rotary workbench, the junction box is accommodated in the accommodating groove.

Furthermore, the first tool changing mechanism comprises a tool magazine support, a horizontal rotating mechanism, a horizontal telescopic mechanism, a first tool claw and a second tool claw, the horizontal rotating mechanism comprises a second driving motor and a rotating arm, the second driving motor is arranged on the tool magazine support, a driving shaft of the second driving motor is connected with a first end of the rotating arm, and the second driving motor is used for driving the rotating arm to rotate in the horizontal direction;

the horizontal telescopic mechanism comprises a positioning block, a first sliding rail and a first air cylinder, the positioning block is connected with the second end of the rotating arm, a first sliding groove is formed in the positioning block, the first sliding rail is arranged in the first sliding groove, and the first air cylinder is used for driving the first sliding rail to slide back and forth along the first sliding groove;

the first cutter claw and the second cutter claw are connected with one end, far away from the second driving motor, of the sliding rail through a mounting plate, and the first cutter claw and the second cutter claw are used for clamping a cutter handle and a cutter.

Further, the tool magazine support comprises a positioning column, an accommodating bin is arranged on the positioning column, a protection cover mechanism is arranged on the tool magazine support and comprises a second air cylinder, a first protection sleeve, a second protection sleeve and a fixing plate, the second air cylinder is arranged on the accommodating bin or the positioning column, and a piston rod of the second air cylinder is connected with the fixing plate and enables the fixing plate to be horizontally arranged;

first protective sleeve with second protective sleeve set up perpendicularly in on the fixed plate, first protective sleeve is kept away from the one end of fixed plate forms first installing port, second protective sleeve is kept away from the one end of fixed plate forms the second installing port, the second cylinder is used for driving first protective sleeve with second protective sleeve follows the telescopic movement is done to horizontal rotary mechanism rotation plane's axial direction.

Furthermore, a second tool changing mechanism is arranged in the workpiece replacing area and located on one side, far away from the first tool changing mechanism, of the rotary workbench, and the structure of the second tool changing mechanism is the same as that of the first tool changing mechanism.

Furthermore, the cleaning mechanism comprises a positioning rod, a vertical lifting mechanism, a horizontal moving mechanism and a gas knife assembly, the vertical lifting mechanism comprises a first rotating rod and a third cylinder, the horizontal moving mechanism comprises a first connecting plate and a fourth cylinder, the first end of the first rotating rod is rotatably connected with one end of the positioning rod, and the second end of the first rotating rod is rotatably connected with one end, close to the positioning rod, of the first connecting plate;

a piston rod of the third cylinder is rotatably connected with one end, far away from the positioning rod, of the first connecting plate, the third cylinder is obliquely arranged, one end, far away from the piston rod, of the third cylinder is located above the positioning rod, and the third cylinder is used for driving the first connecting plate to reciprocate in the vertical direction and enabling the first rotating rod to rotate by taking the first end of the first rotating rod as an axis;

the fourth cylinder is arranged on the first connecting plate, the air knife assembly is connected with a piston rod of the fourth cylinder, and the fourth cylinder is used for driving the air knife assembly to horizontally move.

Furthermore, the vertical lifting mechanism further comprises a first connecting block and a second connecting block, the first connecting block is obliquely arranged at one end, close to the positioning rod, of the first connecting plate, the first end of the first connecting block is connected with one end, close to the positioning rod, of the first connecting plate, and the second end of the first connecting block is higher than the first connecting plate;

the first end of second connecting block with the one end of locating lever is connected, the extending direction of the second end of second connecting block with first connecting block is parallel, the first end of first rotary rod with the second end of second connecting block rotates and is connected, the second end of first rotary rod with the second end of first connecting block rotates and is connected.

Furthermore, the vertical lifting mechanism further comprises a second rotating rod, a first end of the second rotating rod is rotatably connected with a first end of the second connecting block, a second end of the second rotating rod is rotatably connected with a first end of the first connecting block, and the first rotating rod, the second rotating rod, the first connecting block and the second connecting block are made to enclose a parallelogram, so that the first connecting plate is kept horizontally arranged.

Furthermore, a mounting hole is formed in the first connecting plate, a piston rod of the fourth cylinder penetrates through the mounting hole, one end, close to the piston rod, of the fourth cylinder is fixedly connected with the first connecting plate, the air knife assembly is fixedly connected with the piston rod of the fourth cylinder, and the air knife assembly is parallel to the first connecting plate.

Furthermore, a telescopic protection door is arranged at the mounting opening and comprises a horizontal driving mechanism and a flexible telescopic door, the horizontal driving mechanism comprises a second slide rail, a slide block and a fifth cylinder, the slide block is connected with the second slide rail, a moving block is sleeved on the outer side of the fifth cylinder, the moving block is fixedly connected with the slide block, and the fifth cylinder is used for driving the moving block to slide in a reciprocating manner along the outer side wall of the cylinder;

the flexible retractable door comprises a connecting portion and a retractable portion, one end of the connecting portion is connected with the sliding block, one side of the connecting portion is connected with the retractable portion, and the sliding block is used for driving the retractable portion to move along the second sliding rail in a retractable mode.

Furthermore, the telescopic part comprises a plurality of flexible baffles which are sequentially connected to form a foldable or expandable telescopic structure, each flexible baffle comprises a first flexible support plate and a second flexible support plate, the second flexible support plate is vertically arranged below the horizontal driving mechanism, the first flexible support plate is obliquely arranged between the second flexible support plate and the horizontal driving mechanism, one end of the first flexible support plate is connected with the horizontal driving mechanism, and the other end of the first flexible support plate is connected with one end of the second flexible support plate;

the connecting portion comprises a first limiting plate and a second limiting plate, the first limiting plate and the second limiting plate are arranged on two sides of the telescopic portion, and the first limiting plate is connected with the sliding block.

Furthermore, a first limiting block is arranged at one end, close to the sliding rail, of the flexible baffle, a third sliding groove is formed in the first limiting block, the sliding rail is arranged in the sliding groove, and the first limiting block and the sliding block are located on the same straight line;

the flexible door is characterized in that one ends, far away from the sliding rails, of the flexible baffles are provided with second limiting blocks, third through holes are formed in the second limiting blocks, sliding rods penetrate through the third through holes, the sliding rods are parallel to the sliding rails, and when the flexible door is stretched along the sliding rails and moves in a stretching mode, the second limiting blocks are stretched along the sliding rods and move in a reciprocating mode.

Further, a chip removal mechanism is arranged outside the machine shell and comprises a recovery part, a chip removal part, a conveying part and a track, one end of the conveying part is connected with the recovery part, the other end of the conveying part is connected with the chip removal part, a conveying channel is formed inside the recovery part, the conveying part and the chip removal part, the position of the chip removal part is higher than that of the recovery part, and the conveying part is obliquely arranged between the recovery part and the chip removal part;

the last collection mouth of having seted up of recovery portion, a round trip outlet has been seted up in the chip removal portion, the collection mouth is located the below of chip removal mouth, the track set up in the transfer passage, the track is used for following the cutting bits collect the mouth via the transfer passage is transferred extremely and is retrieved in the chip removal portion, the recovery portion is used for collecting the follow the cutting fluid that the track clearance oozes.

Furthermore, a liquid isolating plate is arranged inside the recovery part, the liquid isolating plate enables the recovery part to form a first recovery chamber and a second recovery chamber, a liquid guide port is formed in the liquid isolating plate, and the liquid guide port is communicated with the first recovery chamber and the second recovery chamber;

first recovery cavity the conveyer part with chip removal portion constitutes transfer passage, it is located to collect the mouth first recovery cavity top, the inside liquid pump that wears to be equipped with of second recovery cavity, the liquid pump is used for collecting the follow the cutting fluid that the track clearance oozes.

According to the compact engraving and milling machine tool, the rotary workbench is arranged in the shell, the lifting partition plate is arranged above the rotary workbench, the shell is divided into the workpiece processing area and the workpiece replacing area, the position replacement of the clamp is realized through the rotation of the workbench, the processing and workpiece replacing operations can be simultaneously carried out, the tool changing mechanism and the cleaning mechanism are arranged in the shell, the automatic tool changing and automatic cleaning operations are realized in a compact space, in addition, the space occupancy rate of the protective door is further reduced through the telescopic protective door arranged at the shell mounting port, the chip removal mechanism is arranged below the chip removal port of the shell, the processing of cutting waste materials is facilitated, the multiple functional mechanisms are integrated in the compact space, the size of the machine tool is greatly reduced, and meanwhile, the processing efficiency is further improved.

For a better understanding and implementation, the technical solution of the present invention is described in detail below with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic view of a compact router machine according to an embodiment of the invention;

FIG. 2 is a schematic, partially cross-sectional view of a compact router machine in accordance with one embodiment of the invention;

FIG. 3 is a schematic view of the internal structure of the compact engraving and milling machine in one embodiment of the present invention;

FIG. 4 is a schematic view illustrating the movement of the elevating partition of the compact engraving and milling machine in accordance with one embodiment of the present invention;

FIG. 5 is an exploded view of a rotary table according to an embodiment of the present invention;

FIG. 6 is a schematic cross-sectional view of a rotary table according to an embodiment of the present invention;

FIG. 7 is a schematic view of a first wire bonding plate according to one embodiment of the present invention;

FIG. 8 is a schematic view of a first support plate in accordance with an embodiment of the present invention;

FIG. 9 is a schematic view of a first tool changing mechanism in accordance with an embodiment of the present invention;

FIG. 10 is a schematic view of the jaw of the first tool changing mechanism reaching the spindle position in one embodiment of the invention;

FIG. 11 is a schematic view of an embodiment of the present invention showing the protective cover mechanism raised;

FIG. 12 is a schematic view illustrating a rotation state of a rotary arm according to an embodiment of the present invention;

FIG. 13 is a schematic view of an extended state of the horizontal retracting mechanism in accordance with an embodiment of the present invention;

FIG. 14 is a schematic view of a cleaning mechanism in accordance with an embodiment of the present invention;

FIG. 15 is a schematic view of a cleaning mechanism in accordance with an embodiment of the present invention;

FIG. 16 is an enlarged partial schematic view of an air knife assembly according to one embodiment of the present invention;

FIG. 17 is a schematic view of a retractable guard door in accordance with an embodiment of the present invention;

FIG. 18 is a schematic view of a horizontal drive mechanism in accordance with an embodiment of the present invention;

FIG. 19 is a schematic view of a flexible retractable door according to an embodiment of the present invention;

fig. 20 is a schematic view of a first limiting plate according to an embodiment of the invention;

FIG. 21 is a schematic view of a first flexible plate and a second flexible plate in accordance with one embodiment of the present invention;

FIG. 22 is a schematic view of a flexible retractable door according to an embodiment of the present invention;

fig. 23 is a schematic view of a chip ejection mechanism according to an embodiment of the invention;

fig. 24 is a schematic cross-sectional view of a chip ejection mechanism according to an embodiment of the invention;

fig. 25 is a schematic view of a chip ejection mechanism according to an embodiment of the invention;

fig. 26 is a schematic view of a chip ejection mechanism according to an embodiment of the invention;

in the figure, 1, a housing; 11. an installation port; 12. a chip removal port; 13. a workpiece processing area; 14. a workpiece replacement area; 2. rotating the working table; 21. a rotating table; 211. a first routing channel; 212. a first wire fixing plate; 212a, a first support plate; 212b, a second plate; 212c, a first via hole; 212d, a groove; 212e, fixing holes; 22. a base; 221. a second routing channel; 222. a second wire fixing plate; 23. a junction box; 231. installing a chamber; 232. a first plug hole; 233. a second plug hole; 24. a first clamp; 25. a second clamp; 3. a lifting clapboard; 4. a main spindle box; 41. a main shaft; 5. a first tool changing mechanism; 51. a storage bin; 52. a positioning column; 53. a horizontal rotation mechanism; 531. a rotating arm; 532. a speed reducer; 54. a horizontal telescoping mechanism; 541. positioning blocks; 542. a first slide rail; 543. mounting a plate; 551. a first jaw; 552. a second jaw; 57. a hilt; 571. positioning the surface; 58. milling cutters; 59. a protective cover mechanism; 591. a second cylinder; 592. a fixing plate; 593. a first protective sleeve; 594. a second protective sleeve; 6. a second tool changing mechanism; 7. a cleaning mechanism; 71. positioning a rod; 721. a first rotating rod; 722. a third cylinder; 723. a first connection block; 724. a second connecting block; 725. a second rotating rod; 731. a first connecting plate; 731a, mounting holes; 731b, mounting groove; 732. a fourth cylinder; 74. an air knife assembly; 741. a second connecting plate; 741a, an elastic ring; 742. a pneumatic cutter head; 8. a retractable guard gate; 81. a horizontal driving mechanism; 811. a second slide rail; 812. a slider; 812a, a second chute; 813. a fifth cylinder; 813a, a moving block; 814. a third connecting plate; 82. a flexible retractable door; 821. a connecting portion; 821a and a first limit plate; 821b and a second limit plate; 822. a telescopic part; 822a, a first flexible support plate; 822b, a second flexible support plate; 823. a first stopper; 823a and a third chute; 824. a second limiting block; 824a, a third via; 824b, a sliding bar; 9. a chip removal mechanism; 91. a recovery unit; 911. a collection port; 912. a first recovery chamber; 912a, a guide plate; 912b, a flow guide port; 913. a second recovery chamber; 913a, an insertion port; 914. a liquid barrier; 914a, a liquid guide port; 92. a conveying section; 93. a chip removal part; 931. an outlet port; 94. a liquid pump; 95. a drive section; 96. a pulley.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the relevant elements of the present invention are shown in the drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

In the following, several specific embodiments are given for describing the technical solution of the present application in detail. The following several specific embodiments may be combined with each other, and details of the same or similar concepts or processes may not be repeated in some embodiments.

As shown in fig. 1 and 2, in one embodiment, the compact engraving and milling machine tool of the present invention comprises a base and a housing 1, wherein the housing 1 is hollow and covers the base to form a closed space, a mounting opening 11 is formed on one side of the housing 1, a chip removal opening 12 is formed on the base, and the chip removal opening 12 is disposed downward. Be provided with swivel work head 2, lifting baffle 3, headstock 4, first tool changing mechanism 5, second tool changing mechanism 6 and wiper mechanism 7 in the casing 1, swivel work head 2 level set up with casing 1 in be close to the position of installing port 11, be provided with two anchor clamps on swivel work head 2, lifting baffle 3 is vertical to be set up in swivel work head 2 top and be located two between the anchor clamps, lifting baffle 3 is parallel with installing port 11 to with casing 1 internal partitioning for work piece processing district 13 and work piece change district 14.

The spindle box 4 is arranged in the workpiece machining area 13 and located on one side, far away from the mounting opening 11, of the rotary workbench 2, a spindle 41 for mounting a milling cutter is arranged on the spindle box 4, the spindle 41 is located above a fixture located in the workpiece machining area 13, the first tool changing mechanism 5 is arranged in the workpiece machining area 13, the first tool changing mechanism 5 is located on one side of the spindle 41, the cleaning mechanism 7 is arranged in the workpiece replacing area 14 and located on the same side of the rotary workbench 2 as the first tool changing mechanism 5, and the second tool changing mechanism 6 is also located in the workpiece replacing area 14 and arranged on one side, far away from the cleaning mechanism 7, of the rotary workbench 2 corresponding to the position of the cleaning mechanism 7.

As shown in fig. 2, 3 and 4, in an embodiment, the lifting partition plate 3 is located directly above the rotary table 2 and can reciprocate in the vertical direction, one end of the lifting partition plate 3 close to the rotary table 2 is provided with an accommodating groove, the accommodating groove is matched with the shape of the upper surface of the rotary table 2, when the lifting partition plate 3 falls down, the inside of the housing 1 is divided into a workpiece processing area 13 and a workpiece replacing area 14, so that one clamp of the rotary table 2 is located in the workpiece processing area 13, the other clamp is located in the workpiece replacing area 14, and simultaneous operation is realized, when the lifting partition plate 3 rises, the workpiece processing area 13 is communicated with the workpiece replacing area 14, so that the positions of the two clamps are exchanged after the rotary table 2 rotates along the horizontal plane.

In the above embodiment, a telescopic protection door 8 is arranged at the mounting port 11, the telescopic protection door 8 is used for sealing the housing 1 to prevent processing waste from flying out, a chip removal mechanism 9 is arranged below the chip removal port 12, and the processing waste enters the chip removal mechanism 9 from the chip removal port 12 to be separated and recovered.

As shown in fig. 5 and 6, in one embodiment, the rotating table 2 includes a rotating table 21, a base 22, a junction box 23, a first fixture 24 and a second fixture 25, the rotating table 21 is a rectangular parallelepiped, the rotating table 21 is horizontally disposed above the base 22, a lower surface of the rotating table 21 is rotatably connected to an upper surface of the base 22, and preferably, a driving motor is disposed inside the base 22, and the driving motor is connected to the rotating table 21 through a driving turbine rod and is driven by the driving motor to rotate horizontally relative to the base 22.

The junction box 23, the first clamp 24 and the second clamp 25 are arranged on the upper surface of the rotating platform 21, the junction box 23 is located at the center of the upper surface of the rotating platform 21, the first clamp 24 and the second clamp 25 are arranged on two sides of the junction box 23 in parallel, and the distances from the first clamp 24 to the junction box 23 are equal to the distances from the second clamp 25 to the junction box 23. Preferably, the junction box 23 is a square box, a mounting chamber 231 is formed in the junction box 23, a plurality of insertion holes are formed in the junction box 23, the preferred insertion holes are specifically located on the side walls of the junction box 23 close to the first clamp 24 and the second clamp 25, a plurality of first insertion holes 232 are formed in the side wall of the junction box 23 close to the first clamp 24, a plurality of second insertion holes 233 are formed in the side wall of the junction box 23 close to the second clamp 25, and the first insertion holes 232 and the second insertion holes 233 are respectively communicated with the mounting chamber 231.

Preferably, the first fixture 24 and the second fixture 25 are specifically pneumatic fixtures, the first fixture 24 and the second fixture 25 are controlled to be clamped and released through an air cylinder and an air duct, the air duct of the first fixture 24 is inserted into the first insertion hole 232, and the air duct of the second fixture 25 is inserted into the second insertion hole 233.

Preferably, first jack 232 and second jack 233 specifically are a wear board and insert the structure soon to when making the anchor clamps that need to be changed, convenient and fast's plug operation can be realized to the air duct, improves the efficiency of changing.

In the above embodiment, the junction box 23 is further provided with a plurality of wire sockets, when wires of the control circuit and the feedback circuit are arranged outside the rotary table 21, the structure of the whole workbench is complex, the occupied space is large, for more convenient wiring, the central position of the rotary table 21 is vertically provided with the first wiring channel 211, the central position of the base 22 is vertically provided with the second wiring channel 221, the first wiring channel 211 and the second wiring channel 221 are circular channels, the radii of the first wiring channel 211 and the second wiring channel 221 are the same and are concentrically arranged, one end of the first wiring channel 211 is communicated with the installation cavity 231, the other end of the first wiring channel is communicated with the second wiring channel 221, the wires of the control circuit and the feedback circuit extend into the installation cavity 231 through the second wiring channel 221 and the first wiring channel 211 and are connected with the wire sockets on the junction box 23, so that the structure of the whole workbench is more compact.

As shown in fig. 7 and 8, in one embodiment, to ensure that the wires in the first wire channel 211 and the second wire channel 221 are not twisted together by the rotation of the rotation platform 21 during the rotation of the rotation platform 21, a first wire fixing plate 212 is disposed in the first wire channel 211, a second wire fixing plate 222 is disposed in the second wire channel 221, a plurality of first through holes 212c are vertically formed in the first wire fixing plate 212, a plurality of second through holes are vertically formed in the second wire fixing plate 222, the first wire fixing plate 212 is located in the first wire channel 211 near the upper surface of the rotation platform 21 and communicates with the inside of the mounting chamber 231 through the first through holes 212c, and the second wire fixing plate 222 is located in the second wire channel 221 near the lower surface of the base 22.

Preferably, the first wire fixing plate 212 and the second wire fixing plate 222 are circular plate-shaped structures with the same structure and the same size, the first wire fixing plate 212 includes a first support plate 212a and a second support plate 212b, the second wire fixing plate 222 includes a third support plate and a fourth support plate, the first support plate 212a, the second support plate 212b, the third support plate and the fourth support plate are semicircular plate-shaped structures with the same size and structure, taking the first wire fixing plate 212 as an example, the first through holes 212c on the surface of the first support plate 212a are arranged in an array along the axial direction of the circumference, preferably, a plurality of grooves 212d are formed on the straight edges of the first support plate 212a and the second support plate 212b, the opening direction of the grooves 212d faces the direction away from the straight edges, the openings of one support plate and the grooves 212d of the second support plate 212b correspond to one another, and when the straight edges of the first support plate 212a and the second support plate 212b abut against each other to form the circular first wire fixing plate, the first through holes 212c are formed by the first support plate 212a and the second support plate 212 b. In order to realize the installation and fixation of the first wire fixing plate 212 and the second wire fixing plate 222, a plurality of fixing holes 212e are formed in the first wire fixing plate 212 and the second wire fixing plate 222, screws penetrate through the fixing holes 212e, the first wire fixing plate 212 is fixed in the first wiring channel 211, and the second wire fixing plate 222 is fixed in the second wiring channel 221.

Preferably, in order to ensure that the wires passing through the first through hole 212c and the second through hole are not twisted with each other when the rotating platform 21 rotates, the first wire fixing plate 212 is fixedly connected to the rotating platform 21, the second wire fixing plate 222 is fixedly connected to the base 22, when the rotating platform 21 rotates relative to the base 22, the first wire fixing plate 212 rotates along with the rotating platform 21, and the second wire fixing plate 222 is fixed relative to the first wire fixing plate 212.

In other examples, the installation positions and the installation modes of the first wire fixing plate 212 and the second wire fixing plate 222 can be adjusted according to needs, for example, brackets can be arranged in the first wire routing channel 211 and the second wire routing channel 221 for installation, so that a sufficient distance between the first wire fixing plate 212 and the second wire fixing plate 222 is ensured, and the larger the distance is, the less the wires are twisted, and the longer the service life of the wires is.

As shown in fig. 9 and 10, in one embodiment, the first tool changing mechanism 5 and the second tool changing mechanism 6 are the same in structure, the first tool changing mechanism 5 is disposed inside the workpiece machining area 13 and used for changing different tools during machining, the second tool changing mechanism 6 is disposed inside the workpiece changing area 14 and used for replacing old tools, and in other examples, the tools disposed on the first tool changing mechanism 5 and the second tool changing mechanism 6 can be adjusted as required.

Since the first tool changing mechanism 5 and the second tool changing mechanism 6 have the same structure, taking the first tool changing mechanism 5 as an example, the tool magazine includes a tool magazine support, a horizontal rotating mechanism 53, a horizontal telescoping mechanism 54, a first tool claw 551, a second tool claw 552, and a protective cover mechanism 59, the tool magazine support includes a positioning column 52 and an accommodating chamber 51 fixed at one end of the positioning column 52, the horizontal rotating mechanism 53 includes a driving motor (not shown) and a rotating arm 531, a driving shaft of the driving motor (not shown) is connected with a first end of the rotating arm 531, and the driving motor (not shown) drives the rotating arm 531 to rotate in the horizontal direction.

The accommodating chamber 51 is a square structure, an accommodating space is formed in the accommodating chamber 51, the driving motor is accommodated in the accommodating chamber 51, a through hole is formed in the outer side wall of the accommodating chamber 51, a driving shaft of the driving motor is connected with the first end of the rotating arm 531 through the through hole, and the rotating arm 531 rotates on the horizontal plane, preferably, the through hole is arranged on a side wall close to the accommodating chamber 51 and close to the positioning column 52, and is parallel to the positioning column 52 and located on one side of the positioning column 52, so as to improve the compactness of the whole structure. In other examples, the through hole may be located on a side wall of the accommodating chamber 51 away from the positioning pillar 52.

In the above embodiment, the rotating arm 531 is specifically a rectangular plate-shaped structure, a first end of the rotating arm 531 is connected to a driving shaft of the driving motor, and the rotating arm 531 is disposed parallel to the horizontal plane, and the rotating arm 531 rotates on the horizontal plane under the driving of the driving motor with the first end as a center of circle. Preferably, a speed reducer 532 is disposed between the first end of the rotating arm 531 and a driving shaft of the driving motor, the first end of the rotating arm 531 is connected to the driving shaft of the driving motor through the speed reducer 532, and the speed reducer 532 is used for controlling the rotating speed of the rotating arm 531.

The horizontal telescopic mechanism 54 includes a positioning block 541, a first slide rail 542, and a first cylinder (not shown), wherein an upper side of the positioning block 541 is connected to the second end of the rotating arm 531, preferably, the positioning block 541 is located below the second end of the rotating arm 531, a first sliding slot is formed on an end surface of the positioning block 541 away from the rotating arm 531, and an extending direction of the first sliding slot is parallel to the rotating arm 531. The first sliding rail 542 is disposed inside the first sliding groove, and preferably, the first sliding rail 542 is equal to the rotating arm 531 in length.

In the above embodiment, the mounting plate 543 is disposed on the end surface of the first sliding rail 542 far away from the speed reducer 532, the mounting plate 543 is perpendicular to the extending direction of the first sliding rail 542, in order to ensure the stable setting of the mounting plate 543, a long slat is disposed on the surface of the first sliding rail 542 far away from the rotating arm 531, the length of the long slat is equal to that of the first sliding rail 542, and the end surface of the long slat near the second end of the rotating arm 531 is connected to the middle of the mounting plate 543, so that the mounting plate 543 and the long slat are perpendicularly disposed and located on the same plane. The first and

second claws

551 and 552 are horizontally disposed on the upper surface of the mounting plate 543.

The first cylinder (not shown) is fixed below the long slat through a supporting plate (not shown), and the first cylinder (not shown) is arranged in parallel with the first slide rail 542, a butt block is arranged on the lower surface of the mounting plate 543 away from the knife claw, the butt block extends vertically downwards, and a piston rod of the first cylinder (not shown) penetrates through the supporting plate and is connected with the butt block. When a piston rod of a first cylinder (not shown) is driven by the first cylinder to move telescopically, the piston rod pushes the abutting block to move reciprocally along the horizontal direction, so that the first slide rail 542 slides reciprocally along the first slide groove. In other examples, the horizontal telescopic mechanism 543 may be another structure for realizing telescopic movement, and the installation position and structure of the first cylinder (not shown) may be adjusted accordingly as needed.

In the above embodiment, the shield mechanism 59 is located above one side of the horizontal retracting mechanism 54. The guard mechanism 59 is used to ensure that the tool holder 57 is not subjected to debris during machining. The protection cover mechanism 59 includes a second cylinder 591, a first protection sleeve 593, a second protection sleeve 594 and a fixing plate 592, the second cylinder 591 is vertically disposed on the sidewall of the accommodating chamber 51, a piston rod of the second cylinder 591 is disposed upward, the fixing plate 592 is horizontally disposed above the second cylinder 591, preferably, the fixing plate 592 is specifically an L-shaped plate-shaped structure, the fixing plate 592 includes a first supporting plate and a second supporting plate, a first end of the first supporting plate is connected with the piston rod of the second cylinder 591, the first supporting plate extends in a direction perpendicular to the positioning column 52 and is connected with one end of the second supporting plate, and the second supporting plate is parallel to the sidewall of the accommodating chamber 51.

In the above embodiment, the first protection sleeve 593 and the second protection sleeve 594 are vertically disposed below the fixing plate 592, and the first protection sleeve 593 and the second protection sleeve 594 are parallel. The end of the first protective sleeve 593 away from the fixing plate 592 forms a first receiving opening, and the end of the second protective sleeve 594 away from the fixing plate 592 forms a second receiving opening, when the first jaw 551 is located at the initial position closest to the positioning column 52, the first receiving opening is located right above the first jaw 551 and is parallel to the first jaw 551, and the second receiving opening is located right above the second jaw 552 and is parallel to the second jaw 552. The second cylinder 591 is configured to drive the first protection sleeve 593 and the second protection sleeve 594 to perform telescopic motion along the axial direction of the rotation plane of the horizontal rotation mechanism 53.

As shown in fig. 11, 12 and 13, in one embodiment, when the first tool changing mechanism 5 starts a tool changing operation:

first, the second cylinder 591 drives the first protection sleeve 593 and the second protection sleeve 594 to move upward, so that the positioning surfaces 571 of the knife handles 57 fixed on the first knife claws 551 are moved out of the interior of the first protection sleeve 593 through the first receiving openings, and the positioning surfaces 571 of the knife handles 57 fixed on the second knife claws 552 are moved out of the interior of the second protection sleeve 594 through the second receiving openings.

Next, the horizontal rotation mechanism 53 drives the cutters on the first and

second claws

551 and 552 to rotate from the initial position, which is a position directly below the first and second

protective sleeves

593 and 594, to the telescopic movement position, which is a position where the second end of the rotating arm 531 is closest to the main shaft 41. When the cutters on the first cutter claw 551 and the second cutter claw 552 reach the telescopic position, the first cylinder drives the first slide rail 542 to extend towards the main shaft 41, so that the positioning surface 571 of the cutter handle 57 is installed on the main shaft 41 of the milling machine, and cutter changing is completed.

As shown in fig. 14, in an embodiment, the cleaning mechanism 7 includes a positioning rod 71, a vertical lifting mechanism, a horizontal moving mechanism, and a pneumatic cutter assembly 74, the vertical lifting mechanism includes a first rotating rod 721 and a third pneumatic cylinder 722, the horizontal moving mechanism includes a first connecting plate 731 and a fourth pneumatic cylinder 732, the positioning rod 71 is disposed along a vertical direction, a first end of the first rotating rod 721 is rotatably connected to one end of the positioning rod 71, a second end of the first rotating rod 721 is rotatably connected to one end of the first connecting plate 731 close to the positioning rod 71, a piston rod of the third pneumatic cylinder 722 is connected to the first connecting plate 731, and the piston rod is driven by the third pneumatic cylinder 722 to perform a telescopic motion, so as to drive the first connecting plate 731 to perform a reciprocating motion in the vertical direction, and at the same time, the first rotating rod 721 is rotated with the first end thereof as an axis. The fourth cylinder 732 is disposed on the first connecting plate 731, the air knife assembly 744 is connected to a piston rod of the fourth cylinder 732, and the fourth cylinder 732 is used to drive the air knife assembly 74 to move horizontally.

As shown in fig. 15, in one embodiment, the first connecting plate 731 is a rectangular plate-shaped structure, and in order to ensure that the air knife assembly 74 on the first connecting plate 731 is always horizontally disposed, the vertical lifting mechanism further includes a first connecting block 723, a second connecting block 724, and a second rotating rod 725, the first connecting block 723 is a rectangular plate-shaped structure, and both ends of a short side of the first connecting block 723 are arc-shaped structures, preferably, the first connecting block 723 is obliquely disposed at an end of the first connecting plate 731 close to the positioning rod 71, a first end of the first connecting block 723 is connected to an end of the first connecting plate 731 close to the positioning rod 71, a second end of the first connecting block 723 is higher than the first connecting plate 731, and an included angle between the first connecting block 723 and the first connecting plate 731 is greater than ninety degrees.

Preferably, the shape of the second connecting block 724 is the same as that of the first connecting block 723, the first end of the second connecting block 724 is connected with one end of the positioning rod 71, and when the first connecting plate 731 is horizontally arranged, the extending direction of the second end of the second connecting block 724 is parallel to the extending direction of the first connecting block 723, so that the included angle between the second connecting block 724 and the positioning rod 71 is greater than ninety degrees.

The first rotating rod 721 and the second rotating rod 725 are specifically rectangular plate-shaped structures with two arc-shaped short sides, a first end of the first rotating rod 721 is rotatably connected with a second end of the second connecting block 724, a second end of the first rotating rod 721 is rotatably connected with a second end of the first connecting block 723, a first end of the second rotating rod 725 is rotatably connected with a first end of the second connecting block 724, a second end of the second rotating rod 725 is rotatably connected with a first end of the first connecting block 723, the first rotating rod 721, the second rotating rod 725, the first connecting block 723 and the second connecting block 724 are arranged in parallel in advance, so that the first rotating rod 721, the second rotating rod 725, the first connecting block 723 and the second connecting block 724 form a parallelogram, when the third cylinder 722 drives the first connecting block 731 to move in a vertical direction, the first rotating rod 721 and the second rotating rod 725 are driven by the first connecting block 723 to rotate around the second connecting block 724, and the first rotating rod 721, the second rotating rod 725, the first connecting block 723 and the second connecting block 724 are mutually connected in a rotating parallel manner, and the first connecting block 723 is arranged in a horizontal rotating state is ensured. In other examples, the structures of the first rotating rod 721, the second rotating rod 725, the first connecting block 723 and the second connecting block 724 may also be structures with other shapes, and the rotating connection manner between the first rotating rod 721, the second rotating rod 725, the first connecting block 723 and the second connecting block 724 may also be adjusted as required.

Preferably, in order to prevent the first rotating rod 721 and the second rotating rod 725 from contacting each other during the rotation to affect the rotating action, the width of the first rotating rod 721 is smaller than that of the second rotating rod 725.

Preferably, in order to prevent the first connecting block 723 and the second connecting block 724 from deviating to cause the first connecting block 731 to be inclined when the first connecting block 731 moves vertically, the first connecting block 723 and the first connecting block 731 are integrally formed, and the second connecting block 724 and the positioning rod 71 are integrally formed.

In the above embodiment, to further ensure that the first connecting plate 731 is always horizontally disposed, the piston rod of the third cylinder 722 is rotatably connected to the end of the first connecting plate 731 away from the positioning rod 71, and the third cylinder 722 is disposed obliquely, such that the end of the third cylinder 722 away from the piston rod is located above the positioning rod 71. When the piston rod of the third cylinder 722 moves toward the inside of the third cylinder 722, the first rotating rod 721 and the second rotating rod 725 rotate upward, so that the first connecting plate 731 moves in the circumferential direction of the rotation of the first rotating rod 721 and the second rotating rod 725 in the state of being horizontally disposed, and the first connecting plate 731 achieves the reciprocating movement in the vertical direction and the lateral movement close to or away from the positioning rod 71.

As shown in fig. 15 and 16, in one embodiment, in order to match the movement of the first connection plate 731, a mounting groove 731b is disposed at a corner of an end of the first connection plate 731, which is away from the positioning rod 71, an L-shaped opening is formed at an end surface of the long side of the piston rod of the first connection plate 731, which is close to the third cylinder 722, and an end surface of the first connection plate 731, which is away from the positioning rod 71, a connecting ring is disposed at an end of the piston rod of the third cylinder 722, which is located outside the third cylinder 722, the connecting ring is disposed inside the mounting groove 731b and rotates relative to the mounting groove 731b, a through hole is disposed on a side wall of the mounting groove 731b, and the connecting ring is connected to the mounting groove 731b through a pin. Preferably, the coupling ring is embodied as a fisheye bearing. In other examples, the structure and the matching relationship of the connection ring and the mounting groove 731b can also be other structures for realizing the rotational connection between the piston rod of the third cylinder 722 and the first connection plate 731 b.

Preferably, one end of the third cylinder 722, which is far away from the piston rod thereof, is connected to the inner side wall of the casing 1 through a fixing portion, the third cylinder 722 and the fixing portion are also in rotational connection, and the specific structure may be a mechanical structure for realizing the rotational connection.

In the above embodiment, in order to achieve the effect that the horizontal telescopic mechanism 54 drives the air knife assembly 74 to move horizontally, the first connection plate 731 is provided with an installation hole 731a, a piston rod of the fourth cylinder 732 passes through the installation hole 731a and enables one end surface of the fourth cylinder 732, which is close to the piston rod, to abut against the first connection plate 731, the fourth cylinder 732 is disposed perpendicular to the first connection plate 731, and one end surface of the first connection plate 731, which is far from the fourth cylinder 732, is provided with a nut, which is used to fix the fourth cylinder 732 on the first connection plate 731. The air knife assembly 74 is connected to an end of the fourth cylinder 732 where the piston rod is located outside the cylinder such that the air knife assembly 74 is parallel to the first connection plate 731.

Preferably, the air knife assembly 74 includes a second connecting plate 741 and an air knife head 742, the air knife head 742 is provided with a plurality of nozzles, the second connecting plate 741 is connected to an end of the fourth cylinder 732, which is located outside the cylinder, near the first side of the first connecting plate 731, and the air knife head 742 is connected to the second connecting plate 741 such that the nozzles are vertically disposed downward.

Preferably, the second connecting plate 741 is provided with an elastic ring 741a on a first side thereof adjacent to the first connecting plate 731, and the elastic ring 741a is located outside a piston rod of the fourth cylinder 732. The elastic ring 741a reduces the collision force between the first link plate 731 and the second link plate 741 in the process of extending and retracting the piston rod of the fourth cylinder 732 by elastic deformation.

As shown in fig. 17, in an embodiment, the retractable protection door 8 includes a horizontal driving mechanism 81 and a flexible retractable door 82, the horizontal driving mechanism 81 includes a second sliding rail 811, a sliding block 812 and a fifth cylinder 813, the second sliding rail 811 is horizontally disposed, the sliding block 812 is a rectangular parallelepiped structure, a second sliding groove 812a is formed in the sliding block 812, and the second sliding rail 811 is disposed inside the second sliding groove 812a and enables the sliding block 812 to move in a horizontal direction along the second sliding rail 811. The flexible retractable door 82 includes a connecting portion 821 and a retractable portion 822, one end of the connecting portion 821 is connected to the slider 812, one side of the connecting portion 821 is connected to the retractable portion 822, and the slider 812 and the connecting portion 821 are used for driving the retractable portion 822 to move along the second sliding rail 811 in a retractable manner.

As shown in fig. 17 and 18, in an embodiment, the fifth cylinder 813 is specifically a rodless cylinder, and includes a cylinder body and a moving block 813a that is sleeved on an outer surface of the fifth cylinder 813, a piston is disposed inside the fifth cylinder 813, a magnetic pole is disposed on the piston, a magnetic device that is attracted and matched with the magnetic pole on the piston is disposed inside the moving block 813a, and when the piston is pushed by gas pressure inside the fifth cylinder 813 to slide, the moving block 813a horizontally slides back and forth along the outer surface of the fifth cylinder 813 under the driving of magnetism.

Preferably, in order to ensure that the fifth cylinder 813 and the moving block 813a can be stably connected to the sliding block 812, the horizontal driving mechanism 81 further includes a third connecting plate 814, the third connecting plate 814 is specifically a rectangular plate-shaped structure, the moving block 813a and the sliding block 812 are both fixedly connected to the upper surface of the third connecting plate 814, and when the moving block 813a is driven by the fifth cylinder 813 to reciprocate along the horizontal direction, the third connecting plate 814 drives the sliding block 812 to move synchronously along with the moving block 813 a. In other examples, the connection between the moving block 813a and the slider 812 may be in other functionally similar structures.

As shown in fig. 19, 20 and 21, in one embodiment, the connecting portion 821 of the flexible retractable door 82 is connected to the sliding block 812, so that the retractable portion 822 is driven by the sliding block 812 and the connecting portion 821 to realize the retractable change. In this embodiment, the extension part 822 includes a plurality of parallel flexible baffles, the flexible baffles are specifically rectangular plate-shaped structures, the plurality of flexible baffles are arranged in parallel along the vertical direction, the long sides of two adjacent flexible baffles are connected with each other, and the two adjacent flexible baffles can be folded and unfolded along the long sides thereof, so that the plurality of flexible baffles form a corrugated structure which can be extended and retracted.

Preferably, the flexible baffle is made of PVC material, so that the flexible baffle has good deformability while the processing cost can be effectively prevented, and the telescopic part 822 can be changed in telescopic manner. In other examples, the material of the flexible flap may be other materials.

Preferably, in order to further enlarge the space of the telescopic part 822 serving as the protective door main body, the flexible baffle includes a first flexible supporting plate 822a and a second flexible supporting plate 822b, the second flexible supporting plate 822b is vertically disposed below the second sliding rail 811 and is specifically located at the front side of the second sliding rail 811, the first flexible supporting plate 822a is obliquely disposed between the second flexible supporting plate 822b and the second sliding rail 811, and one end of the first flexible supporting plate 822a is connected with the horizontal driving mechanism 81, and the other end of the first flexible supporting plate is connected with one end of the second flexible supporting plate 822b, so that the outer surface of the telescopic part 822 forms a convex structure, when the telescopic part 822 is folded and compressed, the flexible telescopic door 82 is opened and forms an opening with the upper half extending towards the interior of the milling machine, thereby effectively enlarging the installation operation space and avoiding that the horizontal driving mechanism 81 interferes with a device to be installed or detached to pass through the opening during the operation.

In the above embodiment, in order to ensure that the telescopic portion 822 remains vertically disposed and is stably connected to the horizontal driving mechanism 81, the connecting portion 821 includes the first limiting plate 821a and the second limiting plate 821b, the first limiting plate 821a and the second limiting plate 821b are disposed on two sides of the telescopic portion 822 and are parallel to the flexible baffle, the first limiting plate 821a and the second limiting plate 821b are matched with the flexible baffle and also have a bent plate-shaped structure, the top end of the first limiting plate 821a is connected to the third connecting plate 814, and the side surface of the first limiting plate 821a is connected to the flexible baffle. The second limiting plate 821b is fixed in position, and when the slider 812 moves, the first limiting plate 821a slides in the horizontal direction along with the slider 812, so that the telescopic part 822 is driven to realize telescopic change.

As shown in fig. 17 and fig. 22, in an embodiment, in order to ensure that the flexible retractable door 82 does not deviate in the vertical direction in the retractable movement process, one end of the retractable portion 822 close to the second slide rail 811 is provided with a first limiting block 823, and the first limiting block 823 and the slider 812 are located on the same straight line, a third sliding groove 823a is formed in the first limiting block 823, the preferable third sliding groove 823a is specifically an i-shaped sliding groove, the second slide rail 811 is arranged in the third sliding groove 823a, when the slider 812 moves along the second slide rail 811, the first limiting block 823 moves along the second slide rail 811 along with the slider 812 at the same time, so that the retractable portion 822 is ensured to be always kept horizontal.

Preferably, first stopper 823 specifically is the cuboid structure that a plurality of flexible baffle combination formed, and the one end that flexible baffle is close to second slide rail 811 is formed with a location portion, and this location portion is the integrated into one piece structure with flexible baffle, has all seted up an I shape recess on every location portion, and when a plurality of flexible baffles connected each other and formed pars contractilis 822, a plurality of location portion parallel arrangement to make the cooperation of I shape recess form third spout 823a. The groove of each flexible baffle is matched with the second sliding rail 811, so that the flexible baffles slide back and forth along the sliding rails.

In the above embodiment, in order to cooperate with the first limiting block 823 to achieve the positioning effect, one end of the telescopic part 822, which is far away from the second sliding rail 811, is provided with the second limiting block 824, the second limiting block 824 is also of a rectangular structure, a third through hole 824a is horizontally formed in the second limiting block 824, a sliding rod 824b is inserted into the third through hole 824a, the sliding rod 824b is arranged in parallel with the second sliding rail 811, and when the telescopic part 822 is compressed or expanded, the second limiting block 824 reciprocates along the sliding rod 824b, so that the whole telescopic part 822 is ensured to be kept horizontal and the upper and lower ends move synchronously.

As shown in fig. 23, in one embodiment, the chip discharging mechanism 9 includes a recovering portion 91, a chip discharging portion 93, a conveying portion 92, and a crawler (not shown), the recovering portion 91 is a rectangular parallelepiped, the recovering portion is hollow and forms an accommodating space, an opening is formed on an upper surface of the recovering portion 91, the opening serves as a collecting port 911 of the recovering portion 91 for collecting chips falling from the machine tool, one end of the conveying portion 92 is connected to the recovering portion 91, the other end of the conveying portion 92 is connected to the chip discharging portion 93, and a conveying channel is formed inside the recovering portion 91, the conveying portion 92, and the chip discharging portion 93. A crawler (not shown) is provided inside the conveying passage to convey the cutting chips from the collection port 911 into the chip discharging unit 93 for storage, and the cutting fluid flows into the accommodating space of the recovery unit 91 through a gap of the crawler, thereby separating and recovering the cutting chips and the cutting fluid.

As shown in fig. 23 and fig. 24, in an embodiment, the chip discharging portion 93 is specifically located above the recycling portion 91, the chip discharging portion 93 is a square housing, one end of the chip discharging portion 93 connected to the conveying portion 92 forms a cutting chip inlet, a discharging port 931 is formed at the bottom end of the chip discharging portion 93, the recycling portion 91 and the chip discharging portion 93 are both horizontally arranged, so that the conveying portion 92 is obliquely arranged between the recycling portion 91 and the chip discharging portion 93, and together with the space inside the recycling portion 91 and the space inside the chip discharging portion 93, a track (not shown) is arranged in the conveying channel, and the track is driven by rollers to move. Preferably, a driving part 95 is arranged on one side of the chip discharging part 93, a driving motor is arranged in the driving part 95, and a driving shaft of the driving motor penetrates through the side walls of the driving part 95 and the chip discharging part 93 to extend into the chip discharging part 93 and is connected with a roller of the crawler belt, so that the crawler belt is driven to move.

In the above embodiment, in order to allow the cutting fluid and the oil fluid having viscosity adsorbed on the surface of the crawler to fall into the recovery portion 91 and be separated from the cutting chips, the crawler is formed to have an upward slope in accordance with the running direction of the conveying passage, and the moving direction of the crawler is, as shown by the arrow in fig. 24, moved from the collection port 911 to the conveying portion 92, then moved upward in the inclined direction of the conveying portion 92 into the chip discharging portion 93, and finally discharged from the discharge port 931. By forming the upward slope in the conveyance part 92, the cutting fluid having viscosity is caused to slide back into the recovery part 91 under the influence of gravity.

As shown in fig. 25 and 26, in one embodiment, in order to collect and recycle the cutting fluid more effectively, a liquid-separating plate 914 is disposed in the accommodating cavity in the recovery part 91, the liquid-separating plate 914 is parallel to the long side of the recovery part 91 and divides the accommodating cavity in the recovery part 91 into a first recovery chamber 912 and a second recovery chamber 913, and the upper opening of the first recovery chamber 912 is used as a collection port 911 of the recovery part 91. The liquid separation plate 914 is provided with a liquid guiding port 914a, the liquid guiding port 914a is square, and the first recovery chamber 912 and the second recovery chamber 913 are communicated through the liquid guiding port 914a, so that the cutting fluid in the first recovery chamber 912 flows into the second recovery chamber 913 through the liquid guiding port 914 a.

Preferably, four guide plates 912a are further disposed in the first recovery chamber 912, a plurality of guide openings 912b are disposed on the guide plates 912a, the guide plates 912a are located around the first recovery chamber 912 and are parallel to the inner side wall of the first recovery chamber 912, so that a guide channel is formed between the guide plates 912a and the inner side wall of the first recovery chamber 912, the track is disposed in a space between the guide plates 912a, and when the cutting fluid falls into the first recovery chamber 912 through a gap of the track, the cutting fluid flows into the guide channel through the guide openings 912b, and then enters the second recovery chamber 913 through the guide openings 914 a.

Preferably, a plurality of guide plates are disposed around the collection port 911, and the guide plates are disposed around the collection port 911 to be inclined toward the inside of the first recovery chamber 912, so that the flying chips and cutting fluid slide into the first recovery chamber 912 along the guide plates.

As shown in fig. 23 and fig. 26, in an embodiment, a top cover is disposed at the opening of the second recovery chamber 913, the top cover closes the second recovery chamber 913, a liquid pump 94 is disposed inside the second recovery chamber 913, a liquid inlet of the liquid pump 94 is located inside the second recovery chamber 913, a liquid outlet is located above the top cover, when the cutting fluid flows into the second recovery chamber 913, the liquid pump 94 draws the cutting fluid out, and the cutting fluid pump 94 is sent back to the machine tool through a liquid guide tube for reuse.

Preferably, in order to prevent the cutting fluid from being contaminated by impurities, a plurality of filter screens are disposed inside the second recovery chamber 913, and the filter screens are specifically located between the fluid pump 94 and the fluid guide port 914a, so as to achieve an effect of filtering the cutting fluid flowing into the fluid pump 94. Preferably, a plurality of insertion holes 913a are opened on the top cover at the opening of the second recovery chamber 913, and the filter net is inserted into the second recovery chamber 913 through the insertion holes 913 a.

In the above embodiment, the recovery portion 91 is provided with a plurality of pulleys 96 on the outside, and the pulleys 96 make the chip removal device more convenient to move.

According to the compact engraving and milling machine tool, the rotary workbench 2 is arranged in the shell 1, the lifting partition plate 3 is arranged above the rotary workbench 2, the interior of the shell 1 is divided into the workpiece machining area 13 and the workpiece replacing area 14, the position replacement of the clamp is realized through the rotation of the workbench, the tool changing mechanism and the cleaning mechanism 7 are arranged in the shell 1, the automatic tool changing and automatic cleaning operation is realized in a compact space, when a workpiece on the first clamp 24 on the rotary workbench 2 is machined in the workpiece machining area 13, the workpiece on the second clamp 25 can be simultaneously disassembled in the workpiece replacing area 14, and after the cleaning mechanism 7 cleans the second clamp 25, the replacement of a new workpiece is realized during machining, the time consumption during tool changing and workpiece replacing is greatly reduced, and the working efficiency is effectively improved.

In addition, the space occupancy rate of the protective door is further reduced through the telescopic protective door 8 arranged at the mounting port 11 of the casing 1, the chip removal mechanism 9 is arranged below the chip removal port 12 of the casing 1, and the processing of cutting waste materials is facilitated.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.

Claims

1. A compact carving mills lathe which characterized in that:

the tool changing device comprises a machine shell, and a rotary workbench, a lifting clapboard, a spindle box, a first tool changing mechanism and a cleaning mechanism which are arranged in the machine shell, wherein the machine shell is provided with a mounting port and a chip removal port, the rotary workbench is provided with two clamps, the lifting clapboard is vertically arranged above the rotary workbench and positioned between the two clamps, and the lifting clapboard divides the interior of the machine shell into a workpiece processing area and a workpiece replacing area;

the tool changing device comprises a main shaft box, a clamp, a first tool changing mechanism, a cleaning mechanism and a workpiece changing area, wherein the main shaft box is arranged in the workpiece processing area, a main shaft for installing a milling cutter is arranged on the main shaft box, the main shaft is positioned above the clamp, the first tool changing mechanism is arranged inside the workpiece processing area, the first tool changing mechanism is positioned on one side of the main shaft, and the cleaning mechanism is arranged inside the workpiece changing area.

2. The compact engraving and milling machine tool of claim 1, wherein:

the rotary working table comprises a base, a rotary table, a junction box, a first clamp and a second clamp, wherein a first driving motor is arranged in the base, and the first driving motor drives the rotary table to rotate relative to the base through a driving turbine rod;

3. The compact engraving and milling machine tool of claim 2, wherein:

the first wiring channel is internally provided with a first wiring fixing plate, the first wiring fixing plate is provided with a plurality of first through holes, the second wiring channel is internally provided with a second wiring fixing plate, the second wiring fixing plate is provided with a plurality of second through holes, the first wiring fixing plate is fixedly connected with the rotating table, and the second wiring fixing plate is fixedly connected with the base.

4. The compact engraving and milling machine tool of claim 3, wherein:

the first line fixing plate comprises a first support plate and a second support plate, the second line fixing plate comprises a third support plate and a fourth support plate, and the first support plate, the second support plate, the third support plate and the fourth support plate are of semicircular plate-shaped structures;

and the straight line edge of the third support plate and the straight line edge of the fourth support plate are provided with a plurality of grooves, the straight line edge of the third support plate and the straight line edge of the fourth support plate are mutually abutted, and the grooves in the third support plate and the grooves in the fourth support plate are matched to form the second through holes.

5. The compact engraving and milling machine tool of claim 4, wherein:

the lifting partition plate is parallel to the first clamp and the second clamp and moves back and forth along the vertical direction, and an accommodating groove is formed in one end, close to the junction box, of the lifting partition plate;

6. The compact engraving and milling machine tool of claim 1, wherein:

the first tool changing mechanism comprises a tool magazine support, a horizontal rotating mechanism, a horizontal telescopic mechanism, a first tool claw and a second tool claw, the horizontal rotating mechanism comprises a second driving motor and a rotating arm, the second driving motor is arranged on the tool magazine support, a driving shaft of the second driving motor is connected with a first end of the rotating arm, and the second driving motor is used for driving the rotating arm to rotate in the horizontal direction;

7. The compact engraving and milling machine tool of claim 6, wherein:

the tool magazine support comprises a positioning column, an accommodating bin is arranged on the positioning column, a protective cover mechanism is arranged on the tool magazine support and comprises a second air cylinder, a first protective sleeve, a second protective sleeve and a fixing plate, the second air cylinder is arranged on the accommodating bin or the positioning column, and a piston rod of the second air cylinder is connected with the fixing plate and enables the fixing plate to be horizontally arranged;

8. The compact engraving and milling machine tool of claim 7, wherein:

and a second tool changing mechanism is arranged in the workpiece replacing area, is positioned on one side of the rotary worktable, which is far away from the first tool changing mechanism, and has the same structure as the first tool changing mechanism.

9. The compact engraving and milling machine tool of claim 1, wherein:

the cleaning mechanism comprises a positioning rod, a vertical lifting mechanism, a horizontal moving mechanism and a gas knife assembly, the vertical lifting mechanism comprises a first rotating rod and a third cylinder, the horizontal moving mechanism comprises a first connecting plate and a fourth cylinder, the first end of the first rotating rod is rotatably connected with one end of the positioning rod, and the second end of the first rotating rod is rotatably connected with one end, close to the positioning rod, of the first connecting plate;

10. The compact engraving and milling machine tool of claim 9, wherein:

the vertical lifting mechanism further comprises a first connecting block and a second connecting block, the first connecting block is obliquely arranged at one end, close to the positioning rod, of the first connecting plate, the first end of the first connecting block is connected with one end, close to the positioning rod, of the first connecting plate, and the second end of the first connecting block is higher than the first connecting plate;

11. The compact engraving and milling machine tool of claim 10, wherein:

the vertical lifting mechanism further comprises a second rotating rod, the first end of the second rotating rod is rotatably connected with the first end of the second connecting block, the second end of the second rotating rod is rotatably connected with the first end of the first connecting block, and the first rotating rod, the second rotating rod, the first connecting block and the second connecting block are made to enclose a parallelogram, so that the first connecting block is kept horizontally arranged.

12. The compact engraving and milling machine tool of claim 11, wherein:

the air knife assembly is fixedly connected with the piston rod of the fourth cylinder, and the air knife assembly is parallel to the first connecting plate.

13. The compact engraving and milling machine tool of claim 1, wherein:

a telescopic protection door is arranged at the mounting opening and comprises a horizontal driving mechanism and a flexible telescopic door, the horizontal driving mechanism comprises a second slide rail, a slide block and a fifth cylinder, the slide block is connected with the second slide rail, a moving block is sleeved on the outer side of the fifth cylinder, the moving block is fixedly connected with the slide block, and the fifth cylinder is used for driving the moving block to slide back and forth along the outer side wall of the cylinder;

14. The compact engraving and milling machine tool of claim 13, wherein:

the telescopic part comprises a plurality of flexible baffles which are sequentially connected and form a telescopic structure capable of being folded or unfolded, the flexible baffles comprise a first flexible support plate and a second flexible support plate, the second flexible support plate is vertically arranged below the horizontal driving mechanism, the first flexible support plate is obliquely arranged between the second flexible support plate and the horizontal driving mechanism, one end of the first flexible support plate is connected with the horizontal driving mechanism, and the other end of the first flexible support plate is connected with one end of the second flexible support plate;

15. The compact engraving and milling machine tool of claim 14, wherein:

a first limiting block is arranged at one end, close to the sliding rail, of the flexible baffle, a third sliding groove is formed in the first limiting block, the sliding rail is arranged in the sliding groove, and the first limiting block and the sliding block are located on the same straight line;

16. The compact engraving and milling machine tool of claim 1, wherein:

a chip removal mechanism is arranged outside the shell and comprises a recovery part, a chip removal part, a conveying part and a track, one end of the conveying part is connected with the recovery part, the other end of the conveying part is connected with the chip removal part, a conveying channel is formed inside the recovery part, the conveying part and the chip removal part, the chip removal part is higher than the recovery part, and the conveying part is obliquely arranged between the recovery part and the chip removal part;

17. The compact engraving and milling machine tool of claim 16, wherein:

a liquid separation plate is arranged in the recovery part, the liquid separation plate enables the recovery part to form a first recovery chamber and a second recovery chamber, a liquid guide port is formed in the liquid separation plate, and the liquid guide port is communicated with the first recovery chamber and the second recovery chamber;