CN112372009A

CN112372009A - Numerical control metal cutting machine tool

Info

Publication number: CN112372009A
Application number: CN202011068092.9A
Authority: CN
Inventors: 王荣云
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-08
Filing date: 2020-10-08
Publication date: 2021-02-19

Abstract

The invention discloses a numerical control metal cutting machine tool, which structurally comprises a dustproof door, a machine body, a chuck, a numerical control electric tool rest, a controller and a workbench, wherein the workbench is arranged in the machine body, and the numerical control electric tool rest is arranged on the workbench. According to the invention, the upper protection group and the lower protection group are additionally arranged on the numerical control electric tool rest of the existing numerical control metal cutting machine tool, so that a bolt for fastening a cutting tool can be protected, the bolt part is covered, and a thread groove of the bolt is prevented from being exposed to the outside, so that cooling liquid and cutting chips can be prevented from remaining in the thread groove, the bolt is well protected, and the subsequent disassembly of the bolt is not influenced.

Description

Numerical control metal cutting machine tool

Technical Field

The invention relates to the technical field of cutting machine tools, in particular to a numerical control metal cutting machine tool.

Background

Metal cutting is a material removal and addition method in a metal forming process, and accounts for a large proportion of the current mechanical manufacturing, and the metal cutting process is performed by a machine tool.

The electronic knife rest of numerical control that current numerical control metal cutting lathe adopted is fixed the cutting tool through the bolt, and current numerical control electronic knife rest is because the technique is not perfect enough, expose completely the bolt of cutting tool fastening, when the machined part is cut to treating by numerical control metal cutting lathe, can produce the cutting bits, and numerical control metal cutting machine coolant liquid commonly used cools down the cutter, the coolant liquid sprays can splash on the cutter, can splash on the bolt, because the bolt has the external thread groove, can make the thread groove comparatively moist, thereby easily adhere to the cutting bits, treat difficult clearance behind the doing, thereby be unfavorable for the dismantlement of follow-up bolt.

Disclosure of Invention

The invention mainly aims to overcome the defects of the prior art and provide a numerical control metal cutting machine tool.

The invention is realized by adopting the following technical scheme: the utility model provides a numerical control metal cutting machine, its structure is including dustproof door, organism, (holding) chuck, numerical control electric knife rest, controller, workstation, be equipped with the workstation in the organism, install numerical control electric knife rest on the workstation, numerical control electric knife rest one side is equipped with the (holding) chuck of being connected with the organism, positive one side sliding connection of organism has dustproof door, opposite side fixedly connected with controller.

The numerical control electric tool rest comprises a top cover, a fastening device, an upper tool rest, a connecting block, a lower tool rest and a base, wherein the top of the base is movably connected with the lower tool rest, the lower tool rest is connected with the upper tool rest through the connecting block, the top of the upper tool rest is mechanically connected with the top cover, the fastening device connected with the upper tool rest is arranged in four directions of the top cover, and the base is connected with a workbench;

the fastening device comprises an upper protection group, a fastening bolt and a lower protection group, the fastening bolt sequentially penetrates through the upper protection group and the lower protection group from bottom to top, one end, far away from the fastening bolt, of the upper protection group is connected with the top surface of the upper tool rest, the lower protection group is located between the upper tool rest and the lower tool rest, the top of the lower protection group is connected with the bottom surface of the upper tool rest, and the bottom of the lower protection group is in contact with the top surface of the cutting tool.

Further preferably, the upper protection group comprises a clamping ring, an upper corrugated pipe and a first mounting head, one end of the upper corrugated pipe is connected with the clamping ring, the other end of the upper corrugated pipe is connected with the first mounting head, the clamping ring is matched with a bolt cap of a fastening bolt, and the first mounting head is fixed on the top surface of the upper tool rest.

Further optimize, protection group is including No. two installation heads, bellows, solid fixed ring down, bellows one end links to each other with bellows down, and the other end meets with solid fixed ring down, No. two installation heads are connected with the bottom surface of top rest, No. two installation heads and installation head are concentric structure setting and the constitution between them is the same, gu fixed ring can contact with the top surface of cutting sword.

Further preferably, the second mounting head comprises a threaded head and a threaded sleeve head, the external thread of the threaded head is meshed with the internal thread of the threaded sleeve head, the threaded sleeve head is fixedly connected with the bottom surface of the upper tool rest, and the threaded head is connected to the top surface of the lower corrugated pipe.

Further optimize, gu fixed ring is including suction group, sucking disc, ring body, change, all be fixed with the sucking disc on the bottom surface octagon position of ring body, the sucking disc all cooperates suction group, suction group is equipped with eight groups and places the ring body in just, the ring body is still equipped with the change, the change is connected with suction group transmission, the top surface of ring body is connected with the bottom surface of bellows down.

Further optimize, the suction group is including gasbag, connecting pipe, steel ball, pivot, fixed plate, movable plate one end links to each other with the gasbag, and the other end meets with the fixed plate, the fixed plate is equipped with the connecting pipe with the seamless intercommunication of gasbag, the other end of connecting pipe is connected in the steel ball, the steel ball both sides are connected with the ring body through the pivot, the fixed plate is connected in the ring body, the movable plate is connected with the change, steel ball and sucking disc apical center transition fit.

Further preferably, the steel ball is provided with a channel, and the channel is communicated with the connecting pipe.

Further preferably, a through hole is formed in the center of the sucker, and the diameter of the through hole is smaller than that of the steel ball and larger than that of the channel.

Further optimize, the snap ring is including buckle, spacing end ring, outer loop, the bottom of outer loop is fixed with spacing end ring, the top of spacing end ring is equipped with the buckle, the buckle be equipped with four and with outer loop inner wall hinged joint.

Further optimization, the eight equal parts of the rotating ring are provided with insections which can be meshed with the driven gear on the rotating shaft.

Advantageous effects

The cutting tool is placed between the upper tool rest and the lower tool rest, the fastening bolt penetrates through the clamping ring, the upper corrugated pipe and the first mounting head to be matched with the threaded hole on the upper tool rest, the cutting tool rotates to penetrate through the threaded head and the lower corrugated pipe to be contacted with the top surface of the cutting tool, the fastening bolt is continuously rotated to fasten the cutting tool, the cutting tool is prevented from loosening, after the turning tool is mounted, the sucker is tightly attached to the top surface of the cutting tool by applying force to the fixing ring, most of air between the sucker and the top surface of the cutting tool is exhausted, the sucker sucks the cutting tool, the insections on the rotating ring are meshed with the driven gear by rotating the rotating ring, so that the steel balls rotate 90 degrees around the rotating shaft to be communicated with the through hole, the rotating ring continuously rotates, and after the steel balls rotate 90 degrees, the insections on the rotating ring are separated from the driven gear, the continuation rotation of change can not lead to the fact the influence to the steel ball, and the change continues the rotation then can make the gasbag reset gradually, so that the gasbag operates of breathing in, thereby take away the air between sucking disc and cutting tool completely, through-hole, the passageway, the connecting pipe gets into in the gasbag, thereby further improve the sucking of sucking disc to cutting tool, so that bellows can hide the fastening bolt of upper knife rest below down, avoid fastening bolt's screw thread to expose outside, and the absorptive air of gasbag can break away from cutting tool for follow-up sucking disc and provide power, be convenient for the sucking disc breaks away from cutting tool fast, and the snap ring is convenient for install on fastening bolt through the buckle, make the upper bellows can cover the bolt screw thread of the fastening bolt of not part on the upper knife rest, prevent that the turning bits from remaining in screw portion.

In summary, compared with the prior art, the upper protection group and the lower protection group are additionally arranged on the numerical control electric tool rest of the existing numerical control metal cutting machine tool, so that a bolt for fastening a cutting tool can be protected, the bolt part is covered, the thread groove of the bolt is prevented from being exposed, cooling liquid and cutting chips can be prevented from remaining in the thread groove, the bolt is well protected, and subsequent dismounting of the bolt is not influenced.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural diagram of a numerical control metal cutting machine according to the present invention.

Fig. 2 is a schematic structural diagram of the numerical control electric tool rest of the invention.

Fig. 3 is a schematic structural view of the fastening device of the present invention.

Fig. 4 is a schematic structural view of the snap ring and the fastening bolt of the present invention.

FIG. 5 is a cross-sectional view of the second mounting head of the present invention.

Fig. 6 is a schematic structural view of the fixing ring of the present invention.

FIG. 7 is a schematic view of the inner portion of the retaining ring of the present invention in a first operating state.

Fig. 8 is a schematic structural view of the inner portion of the retaining ring of the present invention in a second operating state.

Fig. 9 is an enlarged schematic view of a in fig. 8.

Fig. 10 is a schematic structural view of the swivel of the present invention.

Fig. 11 is a schematic cross-sectional structure view of the first working state of the sucker engaged with the steel ball.

Fig. 12 is a schematic cross-sectional view of the sucking disc of the present invention in a second working state cooperating with the steel ball.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows: the dust-proof door comprises a dust-proof door 1, a machine body 2, a chuck 3, a numerical control electric tool rest 4, a controller 5, a workbench 6, a top cover 41, a fastening device 42, an upper tool rest 43, a connecting block 44, a lower tool rest 45, a base 46, an upper protection group 421, a fastening bolt 422, a lower protection group 423, a snap ring 211, an upper corrugated pipe 212, a first mounting head 213, a second mounting head 231, a lower corrugated pipe 232, a fixing ring 233, a threaded head p1, a threaded sleeve head p2, a suction group g1, a suction cup g2, a ring body g3, a rotating ring g 53923, an air bag g11, a connecting pipe g12, a steel ball g 7, a rotating shaft g14, a fixed plate g15, a movable plate g16, a channel X, a through hole y, a buckle 737q 3, a limiting bottom ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Examples

Referring to fig. 1-12, the present invention provides a technical solution of a numerical control metal cutting machine: its structure is including dustproof door 1, organism 2, (holding) chuck 3, numerical control electric knife rest 4, controller 5, workstation 6, be equipped with workstation 6 in the organism 2, install numerical control electric knife rest 4 on the workstation 6, numerical control electric knife rest 4 one side is equipped with (holding) chuck 3 of being connected with organism 2, the positive one side sliding connection of organism 2 has dustproof door 1, opposite side fixedly connected with controller 5.

The numerical control electric tool rest 4 comprises a top cover 41, a fastening device 42, an upper tool rest 43, a connecting block 44, a lower tool rest 45 and a base 46, wherein the top of the base 46 is movably connected with the lower tool rest 45, the lower tool rest 45 is connected with the upper tool rest 43 through the connecting block 44, the top of the upper tool rest 43 is mechanically connected with the top cover 41, the fastening device 42 connected with the upper tool rest 43 is arranged at four positions of the top cover 41, and the base 46 is connected with the workbench 6;

the fastening device 42 comprises an upper protection group 421, a fastening bolt 422 and a lower protection group 423, the fastening bolt 422 sequentially penetrates through the upper protection group 421 and the lower protection group 423 from top to bottom, one end, far away from the fastening bolt 422, of the upper protection group 421 is connected with the top surface of the upper tool holder 43, the lower protection group 423 is located between the upper tool holder 43 and the lower tool holder 45, the top of the lower protection group 423 is connected with the bottom surface of the upper tool holder 43, and the bottom of the lower protection group 423 is in contact with the top surface of the cutting tool.

The upper protection group 421 includes a snap ring 211, an upper bellows 212, and a first mounting head 213, one end of the upper bellows 212 is connected to the snap ring 211, the other end is connected to the first mounting head 213, the snap ring 211 is fitted with a bolt cap of a fastening bolt 422, and the first mounting head 213 is fixed to the top surface of the upper tool rest 43.

The lower protection group 423 comprises a second mounting head 231, a lower bellows 232 and a fixing ring 233, wherein one end of the lower bellows 232 is connected with the lower bellows 232, the other end of the lower bellows 232 is connected with the fixing ring 233, the second mounting head 231 is connected with the bottom surface of the upper tool holder 43, the second mounting head 231 and the first mounting head 213 are arranged concentrically and have the same composition structure, and the fixing ring 233 can be contacted with the top surface of the cutting tool.

The second mounting head 231 comprises a threaded head p1 and a threaded sleeve head p2, wherein the external thread of the threaded head p1 is meshed with the internal thread of the threaded sleeve head p2, the threaded sleeve head p2 is fixedly connected with the bottom surface of the upper tool holder 43, and the threaded head p1 is connected with the top surface of the lower corrugated pipe 232.

The above-mentioned combination of the threaded socket head p2 and the threaded head p1 facilitates the removal and replacement of the lower bellows 232.

The fixed ring 233 comprises a suction group g1, a suction cup g2, a ring body g3 and a rotary ring g4, the suction cup g2 is fixed on the bottom surface of the ring body g3 in an eight-equal-division position, the suction cup g2 is matched with the suction group g1, the suction group g1 is provided with eight groups and is arranged in the ring body g3, the ring body g3 is further provided with a rotary ring g4, the rotary ring g4 is in transmission connection with the suction group g1, and the top surface of the ring body g3 is connected with the bottom surface of the lower corrugated pipe 232.

The suction cup g2 is provided to suck a cutting tool, so as to fix the lower bellows 232, and the lower bellows 232 can protect the fastening bolt 422, thereby preventing the fastening bolt 42 from being exposed.

The suction group g1 comprises an air bag g11, a connecting pipe g12, steel balls g13, a rotating shaft g14, a fixed plate g15 and a movable plate g16, one end of the movable plate g16 is connected with the air bag g11, the other end of the movable plate g16 is connected with the fixed plate g15, the fixed plate g15 is provided with a connecting pipe g12 in seamless communication with the air bag g11, the other end of the connecting pipe g12 is connected with the steel balls g13, two sides of the steel balls g13 are connected with a ring body g3 through the rotating shaft g14, the fixed plate g15 is connected with the ring body g3, the movable plate g16 is connected with a rotating ring g4, and the steel balls g13 are in transition fit with the.

The fixed plate g15 has a limiting and fixing function on one end of the air bag g11, and the movable plate g16 can rotate along with the rotating ring g4, so that force can be applied to the air bag g11, the air bag g11 can be pressurized to exhaust air, and the air bag g11 can be pulled to reset to suck air.

The steel ball g13 is provided with a channel X, and the channel X is communicated with a connecting pipe g 12.

The central position of the sucking disc g2 is provided with a through hole y, the diameter of the through hole y is smaller than that of the steel ball g13 and larger than that of the channel X, when the channel X is not communicated with the through hole y, the sucking disc g2 can conveniently discharge most of air between the sucking disc and the cutting tool, and most of the air is prevented from entering the connecting pipe g12 through the channel X.

The combination of the passage X and the through hole y is arranged such that when they communicate with each other, air is drawn between the cutting tool and the suction cup g 2.

Snap ring 211 is including buckle q1, spacing end ring q2, outer loop q3, the bottom of outer loop q3 is fixed with spacing end ring q2, spacing end ring q 2's top is equipped with buckle q1, buckle q1 be equipped with four and with outer loop q3 inner wall hinged joint.

The arrangement of the limiting bottom ring q2 has a limiting effect on the bolt cap of the fastening bolt 422, and the bolt cap can be positioned between the limiting bottom ring q2 and the buckle q1 through the matching with the buckle q1, so that the upper corrugated pipe 212 can be suspended and supported, the upper corrugated pipe 212 is prevented from falling down due to gravity, the protection of the upper corrugated pipe 212 on the fastening bolt 422 can be realized, and turning scraps, dust and cooling liquid are prevented from remaining on the thread part.

The eight equal parts of the rotating ring g4 are provided with insections which can be meshed with the driven gear on the rotating shaft g14, so that when the insections are meshed with the driven gear, the rotating shaft can drive the steel balls g13 to rotate 90 degrees, the channel X is communicated with the through hole y, the rotating ring g4 continuously rotates and cannot drive the driven gear to rotate, and the air bag g11 is continuously driven to reset.

The working principle of the invention is as follows: the cutting tool is placed between the upper tool rest 43 and the lower tool rest 45, the fastening bolt 422 passes through the snap ring 211, the upper corrugated pipe 212 and the first mounting head 213 to be matched with the threaded hole on the upper tool rest 43, the cutting tool is rotated to pass through the threaded head p1 and the lower corrugated pipe 232 to be contacted with the top surface of the cutting tool, the fastening bolt 422 is continuously rotated to fasten the cutting tool, the cutting tool is prevented from loosening, after the cutting tool is mounted, the suction disc g2 is tightly attached to the top surface of the cutting tool by applying force to the fixing ring 233, most of air between the suction disc g2 and the top surface of the cutting tool is exhausted, the suction disc g2 sucks the cutting tool, the insection on the rotating ring g4 is meshed with the driven gear by rotating the rotating ring g4, so that the steel ball g13 rotates 90 degrees by taking the rotating shaft g14 as the shaft to communicate with the channel X and the through hole y, the rotating ring g4 continuously rotates, and the insection number, after the steel ball g13 rotates 90 degrees, the insection of the rotary ring g4 is separated from the driven gear, the continuous rotation of the rotary ring g4 does not affect the steel ball g13, the continuous rotation of the rotary ring g4 can lead the air bag g11 to be gradually reset, so that the air bag g11 performs air suction operation, air between the suction cup g2 and the cutting tool is completely sucked away, the air enters the air bag g11 through the through hole y, the channel X and the connecting pipe g12, so as to further improve the suction force of the suction cup g2 on the cutting tool, so that the lower corrugated pipe 232 can be hidden from the fastening bolt 422 below the upper tool rest 43, the threads of the fastening bolt 422 are prevented from being exposed outside, the air absorbed by the air bag g11 can provide power for the subsequent suction cup g2 to be separated from the cutting tool, the suction cup g2 can be rapidly separated from the cutting tool, and the upper corrugated pipe 212 can be conveniently installed on the fastening bolt 422 through a buckle, so that the bolt threads of the non-part of the fastening bolt, the turning chips are prevented from remaining on the threaded portion.

In summary, the technical progress obtained by the invention compared with the prior art is as follows: according to the invention, the upper protection group and the lower protection group are additionally arranged on the numerical control electric tool rest of the existing numerical control metal cutting machine tool, so that a bolt for fastening a cutting tool can be protected, the bolt part is covered, and a thread groove of the bolt is prevented from being exposed to the outside, so that cooling liquid and cutting chips can be prevented from remaining in the thread groove, the bolt is well protected, and the subsequent disassembly of the bolt is not influenced.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a numerical control metal cutting machine, its structure is including dustproof door (1), organism (2), (holding) chuck (3), numerical control electric knife rest (4), controller (5), workstation (6), be equipped with workstation (6) in organism (2), workstation (6) are installed numerical control electric knife rest (4), organism (2) still internal fixation has (holding) chuck (3), organism (2) openly one side sliding connection has dustproof door (1), and the opposite side has linked firmly controller (5), its characterized in that:

the numerical control electric tool rest (4) comprises a top cover (41), a fastening device (42), an upper tool rest (43), a connecting block (44), a lower tool rest (45) and a base (46), wherein the base (46) is connected with the lower tool rest (45), the lower tool rest (45) is connected with the upper tool rest (43) through the connecting block (44), the upper tool rest (43) is connected with the top cover (41), the fastening device (42) connected with the upper tool rest (43) is arranged at four positions of the top cover (41), and the base (46) is connected with a workbench (6);

fastening device (42) are including protecting group (421), fastening bolt (422), protecting group (423) down, fastening bolt (422) from last run through in last protecting group (421), protecting group (423) down in proper order from bottom to top, go up protecting group (421), protecting group (423) down and all be connected with last knife rest (43), protecting group (423) down is located between last knife rest (43) and lower knife rest (45).

2. A numerically controlled metal cutting machine according to claim 1, wherein: go up protection group (421) including snap ring (211), last bellows (212), installation head (213), go up bellows (212) one end and link to each other with snap ring (211), the other end meets with installation head (213), snap ring (211) and fastening bolt (422) cooperation, installation head (213) are fixed on the top surface of last knife rest (43).

3. A numerically controlled metal cutting machine according to claim 1, wherein: the lower protection group (423) comprises a second mounting head (231), a lower corrugated pipe (232) and a fixing ring (233), one end of the lower corrugated pipe (232) is connected with the lower corrugated pipe (232), the other end of the lower corrugated pipe is connected with the fixing ring (233), the second mounting head (231) is connected with an upper tool rest (43), the second mounting head (231) and the first mounting head (213) are arranged in a concentric structure, and the two mounting heads and the first mounting head (213) are identical in structure.

4. A numerically controlled metal cutting machine according to claim 3, wherein: the second mounting head (231) comprises a threaded head (p1) and a threaded sleeve head (p2), the threaded head (p1) is meshed with the threaded sleeve head (p2), the threaded sleeve head (p2) is fixedly connected with the upper tool holder (43), and the threaded head (p1) is connected with the lower corrugated pipe (232).

5. A numerically controlled metal cutting machine according to claim 3, wherein: fixed ring (233) including suction group (g1), sucking disc (g2), ring body (g3), change (g4), ring body (g3) are fixed with eight sucking discs (g2), sucking disc (g2) all cooperate suction group (g1), place ring body (g3) in suction group (g1), ring body (g3) still are equipped with change (g4) of being connected with suction group (g1) transmission, ring body (g3) are connected with lower bellows (232).

6. A numerically controlled metal cutting machine according to claim 5, wherein: the suction group (g1) comprises an air bag (g11), a connecting pipe (g12), steel balls (g13), a rotating shaft (g14), a fixed plate (g15) and a movable plate (g16), wherein one end of the movable plate (g16) is connected with the air bag (g11), the other end of the movable plate is connected with the fixed plate (g15), one end of the connecting pipe (g12) is connected with the air bag (g11), the other end of the connecting pipe is connected with the steel balls (g13), the steel balls (g13) are connected with a ring body (g3) through the rotating shaft (g14), the fixed plate (g15) is connected with the ring body (g3), the movable plate (g16) is connected with the rotating ring (g4), and the steel balls (g13) are in transition fit with a suction cup (g.

7. The numerical control metal cutting machine according to claim 6, characterized in that: the steel ball (g13) is provided with a channel (X), and the channel (X) is communicated with the connecting pipe (g 12).

8. A numerically controlled metal cutting machine according to claim 5, wherein: the center of the sucking disc (g2) is provided with a through hole (y) with the diameter smaller than that of the steel ball (g 13).

9. A numerically controlled metal cutting machine according to claim 5, wherein: snap ring (211) are including buckle (q1), spacing end ring (q2), outer ring (q3), outer ring (q3) bottom is fixed with spacing end ring (q2), the top of spacing end ring (q2) is equipped with buckle (q1), buckle (q1) are equipped with four and are connected with outer ring (q 3).