CN103934697A - CNC milling machine - Google Patents
CNC milling machine Download PDFInfo
- Publication number
- CN103934697A CN103934697A CN201410203537.8A CN201410203537A CN103934697A CN 103934697 A CN103934697 A CN 103934697A CN 201410203537 A CN201410203537 A CN 201410203537A CN 103934697 A CN103934697 A CN 103934697A
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- Prior art keywords
- milling machine
- grating scale
- workbench
- read head
- dovetail
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/01—Frames, beds, pillars or like members; Arrangement of ways
- B23Q1/015—Frames, beds, pillars
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C1/00—Milling machines not designed for particular work or special operations
- B23C1/02—Milling machines not designed for particular work or special operations with one horizontal working-spindle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/01—Frames, beds, pillars or like members; Arrangement of ways
- B23Q1/017—Arrangements of ways
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
- B23Q1/26—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/10—Arrangements for cooling or lubricating tools or work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
- B23Q11/10—Arrangements for cooling or lubricating tools or work
- B23Q11/1069—Filtration systems specially adapted for cutting liquids
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
- B23Q17/24—Arrangements for observing, indicating or measuring on machine tools using optics or electromagnetic waves
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Machine Tool Sensing Apparatuses (AREA)
- Auxiliary Devices For Machine Tools (AREA)
Abstract
The invention discloses a CNC milling machine. The CNC milling machine comprises a numerical control device, a machine body, a milling mechanism, a workbench, a transverse feeding mechanism, a lifting table and a cooling and lubricating system, wherein the milling mechanism, the workbench, the transverse feeding mechanism, the lifting table and the cooling and lubricating system are arranged on the machine body. The machine body is composed of a lifting table seat and a milling machine base. The milling mechanism is mounted on the top of the lifting table seat through a rotary disk. The milling machine base is provided with a liquid receiving groove. The CNC milling machine is characterized in that the milling machine base is provided with a liquid collection tank, a filtering device, a circulating pipeline and a circulating water pump, the liquid collection tank, the filtering device and the circulating pipeline are connected with the liquid receiving groove, and the circulating water pump is connected with the circulating pipeline; the lifting table seat is provided with a grating scale, a grating scale reading head and a reading head seat, the grating scale reading head is arranged on the reading head seat, the reading head seat is arranged on the lifting table, and the lifting table seat is provided with a recess for containing the grating scale; a guide rail seat is provided with a dovetail rail, and the dovetail rail is provided with a dovetail guide portion; a carrying table is arranged at the front end of the workbench, and a stop mechanism is arranged at the rear end of the workbench; the four corners of the lifting table seat are respectively provided with an L-shaped supporting leg. The CNC milling machine is simple in structure, convenient to use and high in production efficiency.
Description
Technical field
The present invention relates to milling machine technical field, relate to more specifically a kind of CNC milling machine.
Background technology
CNC milling machine is integrated numerical control system on plain-milling machine, can under the control of program code, more accurately carry out the lathe of Milling Process.CNC milling machine is various informative, though dissimilar CNC milling machine difference to some extent on forming has many similarities.Lathe is comprised of 6 major parts, i.e. lathe bed part, milling mechanism part, workbench part, infeed part, lifting platform part, cooling, lubricated part.Lathe bed interior layout is reasonable, has good rigidity, and base is provided with 4 adjusting bolts, is convenient to lathe and carries out horizontal adjustment, the ragged machine base inside that is located at of cutting fluid liquid storage.Requirement from Manufacturing Technology Development, appearance along with new material and new technology, and market competition is to requirement cheaply, metal cutting processing is just more and more higher towards cutting speed and precision, production efficiency is more and more higher and system is more and more reliable, each station structure layout more and more possesses the future development of hommization, this just requires the Precision of NC Machine Tool that grows up on traditional machine tool basis higher, driving power is larger, mechanical mechanism sound, hot rigidity is better, work more reliable, same operation and the least possible downtime continuously in the time of realizing length.But, still there is more problem in current Digit Control Machine Tool: 1, the area of work of milling machine is little, the tight positioning supports as processing parts, do not deposit the space of part to be processed or processed finished products, the cylindrical work being placed on workbench especially easily drops, gently smash workpiece, heavy injure by a crashing object near workman, there is certain potential safety hazard; 2, workbench and guide rail exist Support Position contact area little, the problem of anti-outstanding effect deficiency; 3, the lifting platform of milling machine, owing to directly contacting with ground, is easy to make moist and gets rusty; 4, the liquid bath that connects of workbench below stores used cutting fluid, owing to being mixed with a large amount of metal fillings in cutting fluid, also needs the place that the cutting fluid in groove is discharged into appointment to process after to be processed, troublesome poeration; 5, scale grating and grating reading head are direct exposed being arranged on lathe, not only not attractive in appearance, and optical element is long-term exposed in workshop environment, has shortened greatly its life-span, its accuracy of detection is impacted, directly reduce the quality of converted products.
Summary of the invention
Object of the present invention is exactly provide in order to solve the deficiency of prior art a kind of simple in structure, and layout is reasonable, simple to operation, and production efficiency is high.
The present invention adopts following technical solution to realize above-mentioned purpose: a kind of CNC milling machine, comprise numerical control device, the milling mechanism of lathe bed and upper setting thereof, workbench, infeed mechanism, lifting platform and cooling, lubricating system, lathe bed consists of lifting pedestal and milling machine base, workbench is movably arranged on transverse feed mechanism by a track base with the saddle that track base matches, transverse feed mechanism is arranged on lifting platform, milling mechanism is arranged on the top of lifting pedestal by rotary disk, on milling machine base, be provided with and connect liquid bath, it is characterized in that, described milling machine base is provided with and the liquid collecting cylinder that connects liquid bath and be connected, filter, circulation line and the water circulating pump being connected with circulation line, the output of circulation line connects cooling, lubricating system, connect liquid bath bottom and be provided with leakage fluid dram, connect liquid bath by being arranged on collecting tank on milling machine base and forming around the liquid bath plate that connects of collecting tank edge setting, the rear portion and the lifting pedestal that connect liquid bath plate are connected and fixed,
Described lifting pedestal is provided with grating scale, grating scale read head and read head seat, grating scale read head is arranged on read head seat, read head seat is arranged on lifting platform, and lifting pedestal is provided with the recess of accommodating grating scale, is provided with the grating scale guard shield of grating scale and the encapsulation of grating scale read head in recess;
On described track base, be provided with swallowtail track, be provided with dovetail guidance part on swallowtail track, saddle is connected with track base, and with described swallowtail track with dovetail guidance part is concavo-convex coordinates, is slidably connected;
Described workbench front end is provided with articles holding table, worktable upper surface is provided with at least and moves left and right with its level three inverted T shape chutes one that direction is consistent, the two ends of inverted T shape chute one are respectively arranged with perpendicular slotted eye, the degree of depth of slotted eye is greater than inverted T shape chute one, the sidepiece of workbench is provided with the inverted T shape chute two parallel with chute one, the middle part of inverted T shape chute two is provided with the travel switch with contact, both sides, and the two ends of inverted T shape chute two are respectively arranged with the limit assembly corresponding with travel switch contact; There is stop mechanism the rear end of workbench, and stop mechanism is by being arranged on the baffle plate of workbench rear end and the securing member that baffle plate and workbench are connected and fixed being formed;
Four corners of described lifting pedestal are respectively arranged with the feet of L-type, make to form between feet ventilating opening, feet is provided with securing member and the installing hole corresponding with securing member, by securing member, lifting pedestal is fixed on the ground, reduces the vibration that milling machine produces when operation.
As further illustrating of such scheme, describedly connect the riser on lifting pedestal that is fixed on that liquid bath plate comprises the anterior swash plate being connected with collecting tank edge and rear portion, the upper limb of collecting tank is provided with transition platform, with connect liquid bath plate and connect and compose stair-stepping liquid collecting structure, object is that the cutting fluid from connecing liquid bath plate is played to cushioning effect, and the solid impurities such as iron filings that prevent from being blended in cutting fluid splash everywhere.
On the described swash plate that connects liquid bath plate, be provided with some the grooves that point to collecting tank middle part, make the cutting fluid can be from collecting tank Rapid Flow to collecting tank, and the larger solid impurities such as iron filings of part quality volume that mix in cutting fluid can produce friction with swash plate surface, slowly, along swash plate surface sliding, tentatively realize liquid and fixedly separated; The outer rim of swash plate is provided with chimb; On leakage fluid dram, be provided with screen pack, can be used for filtering the iron filings that cutting workpiece produces.
Between the adjacent two inverted T shape chutes one of described workbench, form T-shaped raised line, T-shaped raised line below is provided with cavity.
The bottom of described workbench is provided with dovetail portion, be slidably connected with the saddle on the lifting platform of milling machine, there are a plurality of hollow holes in dovetail portion along its axial directional distribution, and is respectively arranged with reinforcement in hollow hole both sides, for strengthening the connection between dovetail portion and workbench.
Described limit assembly comprises mobile base, the contact in mobile base is set, contact is provided with fixed bar, mobile base is provided with the through hole corresponding with fixed bar and is sheathed on the spring on fixed bar, utilize the elastic force of spring that contact is resetted, the impulse force producing to slow down travel switch and contact collision.
Described grating scale guard shield is U-shaped guard shield, and one end and the lifting platform of read head seat are connected and fixed, and the other end extends to guard shield opening along the bending of grating scale guard shield surface, forms the fixed supporting seat of grating scale read head; One side of recess is provided with end difference, and grating scale and grating scale guard shield are fixed on a high position for end difference, and the position that read head seat extends to grating scale guard shield opening is positioned at the low level of end difference, makes the installation site of grating scale read head and grating scale in same plane.
One end of described read head seat is L-type, by securing member and lifting platform, is connected and fixed.
The upper surface of described L-type feet is fan-shaped, in the rear end of sector and the link position of lifting pedestal, is provided with arc transiting surface, to strengthen being connected between lifting pedestal and feet; Front end at sector is provided with counterbore, and the installing hole of securing member is arranged on the middle part of counterbore.
The upper surface of described swallowtail track is plane, and two sides are inclined-plane, between two sides and saddle, have guide clearance, are provided with panel one in guide clearance, and guide clearance arranged outside has the adjustment screw with panel one top interference fit, for adjusting the size of guide clearance; The bottom of described saddle is provided with pressing plate, and this pressing plate top is pressed on the bottom of panel, and panel is encapsulated in to saddle between swallowtail track.
Described dovetail guidance part is a dovetail guide, and the upper surface of dovetail guide is provided with groove, and the two sides of dovetail guide are inclined-plane, between at least one side of dovetail guide and saddle, is provided with panel two.
The beneficial effect that the present invention adopts above-mentioned technical solution to reach is:
1, the present invention adopts the system combination of cuttings liquid filtration cycle to milling machine, cutting fluid can repeatedly be used, and this process is without manually operating, and effectively reduces labor strength, enhances productivity; And adopt stair-stepping liquid collecting structure, and design buffer platform connecing on liquid bath plate, tentatively realize liquid and fixedly separated, slow down the screen pack that solid impurities such as iron filings that quality volume is larger stop up leakage fluid dram.
2, the present invention adopts two swallowtail track structures, can increase greatly guide rail on track base and the contact area between saddle, and anti-outstanding effect is good; Guide clearance between swallowtail track and saddle arranges panel, can adjust guide clearance size by screw, and assurance guide rail is normally worked, and avoids gap too small, increases frictional resistance; Excesssive gap, can reduce guiding accuracy; And dovetail portion is set making platform bottom part body, and a plurality of hollow holes are set in dovetail portion and in swallow two sides of tail, reinforcement are set, make to there is enough rigidity as the dovetail portion of guide support, guarantee the even running of workbench.
3, the present invention adopts and sets up stop mechanism in workbench rear end, because workbench front end generally has workman, operates, therefore, without baffle plate is set, reasonable in design, effectively avoids the workpiece that is positioned over workbench surface to drop from rear portion, near the workman injuring by a crashing object.
4, adopt and to set up articles holding table at workbench side, can be used for depositing workpiece to be processed or processed finished products, simple in structure, easy to use; In workbench bottom, dovetail portion is set, and a plurality of hollow holes is set in dovetail portion and in swallow two sides of tail, reinforcement is set, make to there is enough rigidity as the dovetail portion of guide support, guarantee the even running of workbench.
5, adopt the recess of accommodating grating scale is set on lifting pedestal; and read head and grating scale are set up to guard shield protection; by the rational layout of reading headstock and grating scale guard shield; after being installed, the parts such as this grating scale can not affect the good looking appearance of fuselage; but also these grating scale displacement sensing parts are played a protective role; guarantee its accuracy of detection, improve the quality of converted products.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is structural representation of the present invention;
Fig. 3 is grating scale mounting structure schematic diagram of the present invention;
Fig. 4 is Working table structure schematic diagram of the present invention;
Fig. 5 is the side view of Fig. 4;
Fig. 6 is the upward view of Fig. 4;
Fig. 7 is cutting fluid flow graph of the present invention.
Description of reference numerals: 1, lathe bed 1-1, lifting pedestal 1-11, recess 1-12, end difference 1-121, high-order 1-122, low level 1-2, milling machine base 1-3, grating scale 1-4, grating scale read head 1-5, read head seat 1-6, M6 hexagon socket head cap screw 2, milling mechanism 3, workbench 4, lifting platform 5, track base 5-1, swallowtail track 5-11, panel one 5-12, adjust screw 5-13, pressing plate 5-14, panel two 5-2, dovetail guidance part 6, saddle 7, meet liquid bath 7-1, collecting tank 7-2, meet liquid bath plate 7-21, swash plate 7-22, riser 7-23, transition platform 7-24, groove 8, liquid collecting cylinder 9, filter 10, water circulating pump 11, grating scale guard shield 12, articles holding table 13, inverted T shape chute 1, slotted eye 15, inverted T shape chute 2 16, travel switch 17, limit assembly 18, dovetail portion 19, hollow hole 20, stop mechanism 21, feet 22, cooling, lubricating system.
The specific embodiment
Below in conjunction with specific embodiment, specific embodiment of the invention scheme is described in further detail.
As shown in Fig. 1-Fig. 7, a kind of CNC milling machine of the present invention, comprise numerical control device, the milling mechanism 2 of lathe bed 1 and upper setting thereof, workbench 3, infeed mechanism, lifting platform 4 and cooling, lubricating system 22, lathe bed 1 consists of lifting pedestal 1-1 and milling machine base 1-2, workbench 3 is movably arranged on transverse feed mechanism by a track base 5 with the saddle 6 that track base 5 matches, transverse feed mechanism is arranged on lifting platform 4, milling mechanism 2 is arranged on the top of lifting pedestal 1-1 by rotary disk 6, on milling machine base 1-2, be provided with and connect liquid bath 7, milling machine base 1-2 is provided with and the liquid collecting cylinder 8 that connects liquid bath 7 and be connected, filter 9, circulation line and the water circulating pump 10 being connected with circulation line, the output of circulation line connects cooling, lubricating system, connect liquid bath 7 bottoms and be provided with leakage fluid dram, connect liquid bath 7 by being arranged on collecting tank 7-1 on milling machine base and forming around the liquid bath plate 7-2 that connects of collecting tank edge setting, the rear portion and the lifting pedestal 1-1 that meet liquid bath plate 7-2 are connected and fixed, meet the riser 7-22 on lifting pedestal that is fixed on that liquid bath plate 7-2 comprises the anterior swash plate 7-21 being connected with collecting tank 7-1 edge and rear portion, the upper limb of collecting tank 7-1 is provided with transition platform 7-23, with connect liquid bath plate and connect and compose stair-stepping liquid collecting structure, object is that the cutting fluid from connecing liquid bath plate is played to cushioning effect, and the solid impurities such as iron filings that prevent from being blended in cutting fluid splash everywhere.Wherein, connect and on the swash plate of liquid bath plate, be provided with some the groove 7-24 that point to collecting tank middle part, make the cutting fluid can be from collecting tank Rapid Flow to collecting tank, and the larger solid impurities such as iron filings of part quality volume that mix in cutting fluid can produce friction with swash plate surface, slowly, along swash plate surface sliding, tentatively realize liquid and fixedly separated.
Described lifting pedestal 1-1 is provided with grating scale 1-3, grating scale read head 1-4 and read head seat 1-5, grating scale read head 1-4 is arranged on read head seat 1-5, read head seat 1-5 is arranged on lifting platform 4, lifting pedestal 1-1 is provided with the recess 1-11 of accommodating grating scale 1-3, is provided with the grating scale guard shield 11 of grating scale and the encapsulation of grating scale read head in recess 1-11; Described grating scale guard shield 11 is U-shaped guard shield, and one end and the lifting platform 4 of read head seat 1-5 are connected and fixed, and the other end extends to guard shield opening along the 11 surface bendings of grating scale guard shield, forms the fixed supporting seat of grating scale read head; A side of recess 1-11 is provided with end difference 1-12, grating scale and grating scale guard shield are fixed on the high-order 1-121 of end difference, the position that read head seat extends to grating scale guard shield opening is positioned at the low level 1-122 of end difference, makes the installation site of grating scale read head and grating scale in same plane; In the present embodiment, one end of read head seat 1-5 is L-type, by M6 hexagon socket head cap screw 1-6 and lifting platform, is connected and fixed, and has the pad corresponding with M6 hexagon socket head cap screw on lifting platform.On track base 5, be provided with swallowtail track 5-1, be provided with dovetail guidance part 5-2 on swallowtail track 5-1, saddle is connected with track base, and with described swallowtail track with dovetail guidance part is concavo-convex coordinates, is slidably connected; The upper surface of swallowtail track is plane, two sides are inclined-plane, between two sides and saddle, have guide clearance, are provided with panel one 5-11 in guide clearance, guide clearance arranged outside has the adjustment screw 5-12 with panel one top interference fit, for adjusting the size of guide clearance; The bottom of described saddle is provided with pressing plate 5-13, and this pressing plate top is pressed on the bottom of panel, and panel is encapsulated in to saddle between swallowtail track.In the present embodiment, dovetail guidance part is a dovetail guide, and the upper surface of dovetail guide is provided with groove, and the two sides of dovetail guide are inclined-plane, is provided with panel two 5-14 between at least one side of dovetail guide and saddle.Described workbench 3 front ends are provided with articles holding table 12, worktable upper surface is provided with at least and moves left and right with its level three inverted T shape chutes 1 that direction is consistent, the two ends of inverted T shape chute one are respectively arranged with perpendicular slotted eye 14, the degree of depth of slotted eye is greater than inverted T shape chute one, the sidepiece of workbench is provided with the inverted T shape chute two 15 parallel with chute one, the middle part of inverted T shape chute two is provided with the travel switch 16 with contact, both sides, and the two ends of inverted T shape chute 2 15 are respectively arranged with the limit assembly corresponding with travel switch contact 17; Between the adjacent two inverted T shape chutes one of workbench 3, form T-shaped raised line, T-shaped raised line below is provided with cavity.The bottom of workbench 3 is provided with dovetail portion 18, be slidably connected with the saddle on the lifting platform of milling machine, there are a plurality of hollow holes 19 in dovetail portion along its axial directional distribution, and is respectively arranged with reinforcement in hollow hole both sides, for strengthening the connection between dovetail portion and workbench.Limit assembly 17 comprises mobile base, the contact in mobile base is set, contact is provided with fixed bar, mobile base is provided with the through hole corresponding with fixed bar and is sheathed on the spring on fixed bar, utilize the elastic force of spring that contact is resetted, the impulse force producing to slow down travel switch and contact collision.There is stop mechanism 20 rear end of workbench, and stop mechanism is by being arranged on the baffle plate of workbench rear end and the securing member that baffle plate and workbench are connected and fixed being formed; Four corners of lifting pedestal are respectively arranged with the feet 21 of L-type, make to form between feet ventilating opening, feet is provided with securing member and the installing hole corresponding with securing member, by securing member, lifting pedestal is fixed on the ground, reduces the vibration that milling machine produces when operation.The upper surface of L-type feet is fan-shaped, in the rear end of sector and the link position of lifting pedestal, is provided with arc transiting surface, to strengthen being connected between lifting pedestal and feet; Front end at sector is provided with counterbore, and the installing hole of securing member is arranged on the middle part of counterbore.
The present invention with Embedded mounting means by grating scale displacement sensing components hide on fuselage; and protect by grating scale guard shield, not only attractive in appearance, can also play a protective role to sensing element; the pollution of blocking-up external environment to inner inductive means, longer service life.
Above-described is only the preferred embodiment of the present invention, it should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise of the invention, can also make some distortion and improvement, and these all belong to protection scope of the present invention.
Claims (10)
1. a CNC milling machine, comprise numerical control device, the milling mechanism arranging on lathe bed and lathe bed, workbench, infeed mechanism, lifting platform and cooling, lubricating system, lathe bed consists of lifting pedestal and milling machine base, workbench is movably arranged on transverse feed mechanism by a track base with the saddle that track base matches, transverse feed mechanism is arranged on lifting platform, milling mechanism is arranged on the top of lifting pedestal by rotary disk, on milling machine base, be provided with and connect liquid bath, it is characterized in that, described milling machine base is provided with and the liquid collecting cylinder that connects liquid bath and be connected, filter, circulation line and the water circulating pump being connected with circulation line, the output of circulation line connects cooling, lubricating system, connect liquid bath bottom and be provided with leakage fluid dram, connect liquid bath by being arranged on collecting tank on milling machine base and forming around the liquid bath plate that connects of collecting tank edge setting, the rear portion and the lifting pedestal that connect liquid bath plate are connected and fixed,
Described lifting pedestal is provided with grating scale, grating scale read head and read head seat, grating scale read head is arranged on read head seat, read head seat is arranged on lifting platform, and lifting pedestal is provided with the recess of accommodating grating scale, is provided with the grating scale guard shield of grating scale and the encapsulation of grating scale read head in recess;
On described track base, be provided with swallowtail track, be provided with dovetail guidance part on swallowtail track, saddle is connected with track base, and with described swallowtail track with dovetail guidance part is concavo-convex coordinates, is slidably connected;
Described workbench front end is provided with articles holding table, worktable upper surface is provided with at least and moves left and right with its level three inverted T shape chutes one that direction is consistent, the two ends of inverted T shape chute one are respectively arranged with perpendicular slotted eye, the degree of depth of slotted eye is greater than inverted T shape chute one, the sidepiece of workbench is provided with the inverted T shape chute two parallel with chute one, the middle part of inverted T shape chute two is provided with the travel switch with contact, both sides, and the two ends of inverted T shape chute two are respectively arranged with the limit assembly corresponding with travel switch contact; There is stop mechanism the rear end of workbench, and stop mechanism is by being arranged on the baffle plate of workbench rear end and the securing member that baffle plate and workbench are connected and fixed being formed;
Four corners of described lifting pedestal are respectively arranged with the feet of L-type, make to form ventilating opening between feet, and feet is provided with securing member and the installing hole corresponding with securing member.
2. a kind of CNC milling machine according to claim 1, it is characterized in that, describedly connect the riser on lifting pedestal that is fixed on that liquid bath plate comprises the anterior swash plate being connected with collecting tank edge and rear portion, the upper limb of collecting tank is provided with transition platform, and connects liquid bath plate and connects and composes stair-stepping liquid collecting structure.
3. a kind of CNC milling machine according to claim 1, is characterized in that, described in connect and on the swash plate of liquid bath plate, be provided with some the grooves that point to collecting tank middle part; The outer rim of swash plate is provided with chimb; On leakage fluid dram, be provided with screen pack.
4. a kind of CNC milling machine according to claim 1, is characterized in that, between the adjacent two inverted T shape chutes one of described workbench, forms T-shaped raised line, and T-shaped raised line below is provided with cavity.
5. a kind of CNC milling machine according to claim 1, it is characterized in that, the bottom of described workbench is provided with dovetail portion, is slidably connected with the saddle on the lifting platform of milling machine, there are a plurality of hollow holes in dovetail portion along its axial directional distribution, and is respectively arranged with reinforcement in hollow hole both sides.
6. a kind of CNC milling machine according to claim 1, it is characterized in that, described limit assembly comprises mobile base, the contact in mobile base is set, and contact is provided with fixed bar, and mobile base is provided with the through hole corresponding with fixed bar and is sheathed on the spring on fixed bar.
7. a kind of CNC milling machine according to claim 1, it is characterized in that, described grating scale guard shield is U-shaped guard shield, and one end and the lifting platform of read head seat are connected and fixed, the other end extends to guard shield opening along the bending of grating scale guard shield surface, forms the fixed supporting seat of grating scale read head; One side of recess is provided with end difference, and grating scale and grating scale guard shield are fixed on a high position for end difference, and the position that read head seat extends to grating scale guard shield opening is positioned at the low level of end difference; One end of described read head seat is L-type, by securing member and lifting platform, is connected and fixed.
8. a kind of CNC milling machine according to claim 1, is characterized in that, the upper surface of described L-type feet is fan-shaped, in the rear end of sector and the link position of lifting pedestal, is provided with arc transiting surface; Front end at sector is provided with counterbore, and the installing hole of securing member is arranged on the middle part of counterbore.
9. a kind of CNC milling machine according to claim 1, it is characterized in that, the upper surface of described swallowtail track is plane, two sides are inclined-plane, between two sides and saddle, there is guide clearance, in guide clearance, be provided with panel one, guide clearance arranged outside has the adjustment screw with panel one top interference fit, for adjusting the size of guide clearance; The bottom of described saddle is provided with pressing plate, and this pressing plate top is pressed on the bottom of panel, and panel is encapsulated in to saddle between swallowtail track.
10. a kind of CNC milling machine according to claim 9, it is characterized in that, described dovetail guidance part is a dovetail guide, and the upper surface of dovetail guide is provided with groove, the two sides of dovetail guide are inclined-plane, between at least one side of dovetail guide and saddle, are provided with panel two.
Priority Applications (1)
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| CN108857895A (en) * | 2018-08-09 | 2018-11-23 | 中铁上海工程局集团有限公司 | Adjustable aligning steel rail clamping device and its application method |
| CN110712061A (en) * | 2019-11-08 | 2020-01-21 | 温州职业技术学院 | Metal debris collecting device for milling head part machined by milling machine |
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| CN111168409A (en) * | 2020-01-03 | 2020-05-19 | 杨铁数控机床(苏州)有限公司 | Base of workbench of numerical control machine tool |
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