CN103372790A

CN103372790A - Dual-spindle processing center with long stroke

Info

Publication number: CN103372790A
Application number: CN2013101182163A
Authority: CN
Inventors: 李铉友
Original assignee: UGINT Co Ltd
Current assignee: UGINT Co Ltd
Priority date: 2012-04-19
Filing date: 2013-04-08
Publication date: 2013-10-30
Anticipated expiration: 2033-04-08
Also published as: KR101338405B1; CN103372790B; KR20130118113A

Abstract

The invention relates to a dual-spindle (210) processing center with a long stroke, comprising a linear guide rail (100) formed linearly along the X-axis direction, first and second working machine portions (200, 300) connected to the linear guide rail (100) for processing at least one object to be processed, first and second conveying portions (400, 500) which allow the first and the second working machine portions (200, 300) to move independently along the X, Y, Z axes, and a comprehensive control portion (700) connected with the first and second conveying portions (400, 500) to control the conveying of the objected to be process along the X, Y, Z axe. Different from a conventional processing center, the dual-spindle processing center has two spindles (210) for intermediate continuous integral conveying area, and can be used for processing small object and long object to be processed.

Description

Two Spindle Machining Centers with long stroke

Technical field

The present invention relates to machining center, relate in more detail have long stroke, and on a line, can make the two Spindle Machining Centers with long stroke that two Work machines are independent or process simultaneously.

Background technology

Usually, the mould for the manufacture of tire adopts very complicated and meticulous structure.Aforesaid tire-mold normally passes through, and by injection mo(u)lding or the equipments machining die of analogue formation (Mock-up), that is, is made, is formed by the machining operation of machining center (Machining Center) etc.

But, be used to form the injection molding forming method in the past of complicated mould, because the problem on the production process of the model manufacturing of handwork and load consumes unnecessary activity time etc. when causing relatively making the price increase of product, the problem of very non-efficiency occurs in its manufacture process.In addition, be used for making the process equipment in the past of described tire-mold, namely, machining center is that boring machine (Boring Machine), milling machine (Milling Machine), drilling machine (Drilling Machine) are carried out unified load Work machine, thus by rectilinear motion, rotatablely move, main shaft rotatablely moves to carry out three axles processing operation.Thus, when processing the mould with meticulous and complicated structure by aforesaid three axles, cause the rotation of instrument to be obstructed by the cutting interference, namely, can't avoid occuring the undercut phenomenon, therefore have the problem in the use that can't be applicable to actual tire-mold processing operation.

In the past, the vertical-type machining center as shown in Figure 1, comprising: pillar 10; Frame 12 is supported by described pillar 10, drives along X-direction; Z axis slide block 16 drives and is equipped with main shaft 14 in the bottom surface of described frame 12 along Z-direction by guiding device, is provided with the roller cladding system in the bottom of described frame 12, blocks the foreign matter such as cutting swarf and invades from the front of frame.

At this moment, axle construction, constitute the bottom that makes the traveling priority piece be incorporated into the Z axis slide block 16 that carries main shaft 14, after constituting the top that makes the traveling priority guide rail be incorporated into frame, consisting of Z axis comes to carry out the handover of above-below direction along the slip of guide rail Z axis slide block 16 driving by servomotor and ball screw in frame 12, consist of X-axis the frame that comprises the Z axis composed component is transferred along left and right directions, consist of Y-axis board 8 is transferred along fore-and-aft direction.

In addition, aforesaid most vertical-type machining centers in the past, transfer machining object along the X-Y direction and consist of processing, be fixed with main axle unit and automatic tool exchange apparatus (ATC) etc. along Z-direction, therefore there is the problem that is difficult to be applied to automation, and be difficult to easily and economy ground is applied to line automation, therefore, present situation for the electronic unit processing of being badly in need of can be used for the lightweight alloy materials such as aluminium and magnesium, can be used for the machining center that vehicle part is processed.

In addition, vertical-type machining center in the past has a main shaft because only consist of, therefore can consume the very long activity duration man-hour and can make productivity low in that machining object is added continuously, and exist and to satisfy in the special-purpose working apparatus of cutting, for the demand of multifunctional universal device, process wide type workpiece simultaneously and come the turn of the market of demand etc. of improving production efficiency and the problem of demand.

Summary of the invention

(technical problem that will solve)

For the present invention who addresses the above problem, its purpose is to provide two Spindle Machining Centers, not only can be to the small processing thing but also can process long machining object, and not only can carry out multiple processing but also can in each main shaft, realize high productivity by simultaneously processing, and can carry out the processing of 1,2 operations and foreign peoples's machining object is carried out independent processing similar machining object.

(means of dealing with problems)

In order to solve aforesaid problem,, it is characterized in that comprise: line slideway 100 forms with a line along X-direction according to machining center of the present invention; First and second Work machine section 200,300 is connected in described line slideway 100, is used for processing at least a machining object; First and second handover section 400,500 transfers respectively described the first Work machine section 200 and the second Work machine section independently along the XYZ direction of principal axis; And Comprehensive Control section 700, be connected with described first and second handover section 400,500, control the axial handover of XYZ for described machining object processing.

Herein, described each Work machine section is preferably and comprises: the main shaft of High Rotation Speed; The instrument interchanger is installed on described main shaft, and is equipped be used to the instrument of processing described machining object; And pillar 220,320, support described main shaft, and be connected to form the guide rail that can transfer along Z axis with described handover section.

In addition, described first and second handover section 400,500 is preferably and comprises: frame 410,510 with described pillar 220,320 combinations, thereby makes described main shaft transfer along the XYZ axle; Drive motors is connected with described frame 410,510, thereby transfers described main shaft along the XYZ axle.Comprehensive Control section 700 can for, to be connected to carry out CNC digital control with described first and second handover section 400,500.

In addition, be preferably also and comprise: distance measurement sensor 600, some sides in described first and second Work machine section 200,300 arrange to measure the distance of described first and second Work machine section, when described distance measurement sensor 600 is measured to get off with the specific range of having set, the X-axis that is preferably described first and second Work machine section of blocking-up in described Comprehensive Control section 700 is transferred, described distance measurement sensor 600 is preferably, infrared ray or ultrasonic sensor.

(effect of invention)

As mentioned above, the machining center that the present invention is different from the past, its X-axis line at long stroke has two main shafts, and by in the middle of using continual whole transfer interval, not only can be to the small processing thing but also can process the long machining object of length.

In addition, independent operation by two main shafts, can carry out multiple processing, can realize high productivity by time processing in each main shaft, and can carry out the processing of 1,2 operations and foreign peoples's machining object is carried out independent processing similar machining object, and easily to processing by two main shaft pillars 220,320 bits of transferring.

In addition, along with freely transferring of long stroke (Long stroke) shape of X-axis, can be easily and economy ground reply line automation, therefore have the electronic unit processing that can be used in the lightweight alloy materials such as magnalium, the advantage of vehicle part processing.

Description of drawings

Fig. 1 is the figure that represents the structure of vertical-type machining center in the past.

Fig. 2 represents the according to an embodiment of the invention structured flowchart of two Spindle Machining Centers.

Fig. 3 represents according to an embodiment of the invention front elevation (Fig. 3 A) and the plane (Fig. 3 B) of the structure of two Spindle Machining Centers.

Fig. 4 is the plane (Fig. 4 A) and front elevation (Fig. 4 B) that represents the XYZ axle handover pattern of the Work machine section in two according to an embodiment of the invention Spindle Machining Centers.

Fig. 5 is that expression is according to the handover displacement ideograph on the X-axis in the of the present invention pair of Spindle Machining Center.

(description of reference numerals)

100: 200: the first Work machine sections of line slideway

400: the first handover sections of 300: the second Work machine sections

500: the second handover sections 600: distance measurement sensor

700: Comprehensive Control section

The specific embodiment

By the embodiment of reference accompanying drawing and following detailed description, advantage of the present invention, feature and realize that their method can be clearer and more definite.But the invention is not restricted to following the disclosed embodiments, but can be realized by multiple different form.Embodiments of the invention are to allow the general technical staff of the technical field of the invention understand easily technological thought of the present invention and enforcement degree have been described in detail.

About accompanying drawing, embodiments of the invention are not limited to illustrated specific modality, are to exaggerate for definition.In addition, based on the full text of specification, identical reference marks refers to identical structural detail.

In this specification, " and/or " expression refer to, comprise at least a in the structural detail that front and back are enumerated.In addition, the singulative of mentioning in specification in situation about being not particularly limited, then comprises plural form." comprising " or " the comprising " of using in the specification refer to, the structural detail that is mentioned to, step, action and assembly exist or add more than one other structural details, step, action, assembly and device beyond it.

With reference to the accompanying drawings to being described in detail according to a preferred embodiment of the invention.

Fig. 2 represents the according to an embodiment of the invention structured flowchart of two Spindle Machining Centers.As shown in Figure 2, two according to an embodiment of the invention Spindle Machining Centers, comprising: line slideway 100 has a line along X-direction; First and second Work machine section 200,300 is connected in described line slideway 100, is used at least one machining object of processing; First and second handover section 400,500 transfers respectively described the first Work machine section 200 and the second Work machine section 300 independently along the XYZ direction of principal axis; And Comprehensive Control section 700, be connected with described first and second handover section 400,500, control the axial handover of XYZ for described machining object processing.

That is, embodiments of the invention connect respectively the Work machine that comprises main shaft 210 on the line slideway 100 of the long long stroke of stroke, have proposed structure independent on a line or that carry out continuously two processing operations.

Aforesaid structure, make the length of the line slideway 100 that Work machine transfers in X-axis be longer than in the past machining center far away, thereby not only can carry out to efficient the processing of the electronic unit etc. of large tracts of land LCD etc., and because have separately that two Work machines of main shaft 210 are positioned on the line, therefore have and to carry out the continuously advantage of processing of machining object.

In addition, two Work machines with main shaft 210 are that X-axis line and the Comprehensive Control section 700 by a long stroke controls driving, therefore can block in advance the collision event that causes along with mutual processing operation, and have easy unification and independence or the continuous advantage of processing that process realizes machining object is set.

In addition, possessed distance measurement sensor 600 between the first Work machine section 200 and the second Work machine section 300, thereby when a mutual spacing distance reaches in the specific range, Comprehensive Control section 700 blocks the handover on the X-axis of described each Work machine by the signal that obtains from distance measurement sensor 600, come thus automatically to avoid a conflict.That is, can in Comprehensive Control section 700 main bodys, calculate the X-axis of each Work machine section and transfer apart from automatically avoiding a conflict, maybe can force to avoid a conflict by distance measurement sensor 600.

Distance measurement sensor 600 is preferably, ultrasonic wave or infrared ray sensor.Distance measurement sensor 600 has triangulation mode (infrared mode, natural daylight mode), ultrasonic wave mode etc. as the sensor of measuring distance between two points.The principle of infrared ray sensor is, the emission infrared ray reflects into two imageing sensors of directive by prism on the measured object of coming from two paths, thereby shows the mode that the distance of point-to-point transmission is measured when relative position is overlapping; The principle of ultrasonic sensor is to the sharp keen ultrasonic wave of measured object transmission directive property, to measure and receive from the measured object reflection and the mode of the time measuring distance that next back wave consumes receiving sensor use piezoelectric element.

Herein, handover section is as being used for will comprising respectively that described main shaft 210 and pillar 220, first and second Work machine section 200,300 of 320 carry out the accurate accurate transfer device of transferring along the XYZ axle, its structure comprises: frame 410,510 is connected with described each pillar 220,320; Motor driving part is connected with frame 410,510, is used for transferring described main shaft 210 or pillar 220,320 along the XYZ axle.That is, the structure of described each handover section is, transfers first and second Work machine sections 200,300 along X-direction at straight line guide rail 100, carries out each pillar 220,320 fore-and-aft direction and the handover of above-below direction along Y direction and Z-direction.

Fig. 3 represents according to an embodiment of the invention front elevation (Fig. 3 A) and the plane (Fig. 3 B) of the structure of two Spindle Machining Centers.As shown in Figure 3, the structure of machining center comprises according to an embodiment of the invention: line slideway 100 has a line along X-direction; First and second Work machine section 200,300 is connected in described line slideway 100, is used at least one machining object of processing; And first and second handover section 400,500, described the first Work machine section 200 and the second Work machine section 300 are transferred along the XYZ direction of principal axis respectively independently.

Herein, each Work machine section is made of main shaft 210 and the pillar 220,320 of fixing described main shaft 210 and support; Described each handover section, its structure comprises: frame 410,510 is incorporated into described pillar 220,320 and is used for transferring described pillar 220,320 or main shaft 210 along the XYZ axle; Motor driving part is connected with described frame 410,510, come to be used for transferring described pillar 220,320 or main shaft 210 along the XYZ axle.

That is, two according to an embodiment of the invention main shaft 210 machining centers, when checking the primary structure unit of its globality, its structure comprises: the main axle unit that comprises main shaft 210; The Work machine section that comprises pillar 220,320 structural portion and instrument equipped section; Transfer the handover section of described Work machine section along the XYZ axle.

Herein, the main axle unit technology of Work machine section, its structure comprises: come to consider the high-accuracy main shaft 210 of the coolant jacket that prevents high speed for giving high synchronism to high-speed type main shaft 210 and driving with AC servo motor.In addition, its structure of handover section comprises: drive motors, the handover distance of transferring along the line slideway 100 with the long haul distance (more than the 3000mm) more than the 3000mm is carried out high-precision determining positions, and be used for simultaneously the handover of the two main axle units of control; Transfer guide rail.

In addition, instrument equipped section technological selection is for using, come automatically the rapidly ATC(Automatic Tool Changer of exchange tool by NC, CNC control, the automated tool interchanger) the 250 technology tool magazine technology of carrying out standby with arranging a plurality of instruments, the ATC(automated tool interchanger that must use in the automatic processing system) 250 when being preferably application and more increasing the mode of multiplatform environments number, uses by main shaft and transfer from tool magazine directly exchange tool main shaft direct mode.

In addition, promoted reliability thereby simplify utensil by abolishment ATC250 arm, and in the loading and unloading of instrument, adopted the product interlock mode of using transfer shaft, thereby in high speed, can improve reliability.

In the Work machine section, fixing and support the pillar 220 of described main shaft 210,320 structural portion to comprise: that pillar 220,320 technology that main axle unit moves up and down are installed; Form the structural portion technology of system with the critical piece Component units; Reach the cutting oil device technique of supplying with, reclaiming, re-use cutting oil and cross savings.

As mentioned above, according to an embodiment of the invention in the machining center, works size and number general and fixed or object is irrelevant, usually the system of processing of said structure can be increased for the trend of satisfied gradually demand large tracts of land, therefore lightweight and high rigidization need to be satisfied simultaneously in order to suppress inertia force and addendum modification.

Fig. 4 is the plane (Fig. 4 A) and front elevation (Fig. 4 B) that represents the XYZ axle handover pattern of the Work machine section in two according to an embodiment of the invention main shaft 210 machining centers.As shown in Figure 4, machining center according to an embodiment of the invention, its structure comprises: line slideway 100 consists of an X-axis line; First and second Work machine section 200,300, be connected to described line slideway 100, handover on the X-axis is, the first Work machine section 200 and the second Work machine section 300 X1, the X2 on straight line guide rail 100 that are made of main shaft 210 and the fixing pillar 220,320 of supporting described main shaft 210 transfer; Handover on Y-axis and the Z axis is respectively to drive independently by first and second handover section 400,500 to transfer.

In addition, shown in Fig. 4 B, Z axis transfer can for, the spindle nose and the described pillar 220,320 that connect main shaft and instrument are fixedly transferred; Also can for, in anchor post 220,320 situation, transfer up and down for pillar 220,320.

As mentioned above, according to machining center of the present invention, because connecting two Work machine sections at the line slideway 100 with a long stroke comes along X-direction, independent or transfer in linkage respectively, therefore not only can process the machining object of large tracts of land, and two processing are carried out on continuity ground mutually, have thus the advantage that can improve operation speed.

In addition, carry out aforesaid series-operation by the handover on the X-axis for efficient ground, control handover and the processing of Work machine section by a Comprehensive Control section 700, thereby it is convenient and can improve the advantage of operation accuracy to have process management and control.

Fig. 5 is that expression is according to the handover displacement ideograph on the X-axis in of the present invention pair of main shaft 210 machining centers.As shown in Figure 5, machining center is to have on the line slideway 100 of long stroke according to an embodiment of the invention, independently or in linkage control to transfer the first Work machine section 200 and the second Work machine section 300 along X-axis by a Comprehensive Control section 700, thereby the conflict that occurs on the mutual operation can be taken precautions against in possible trouble, and be had the advantage that to come according to demand freely to change each X-axis handover distance X 1, X2.

In order to take full advantage of the advantage of long stroke, can strengthen largely the processing of X1 or X2 and transfer distance, and can distribute equably to make it to have identical handover distance and carry out independently operation.Handover on the aforesaid X-axis is in described Comprehensive Control section 700 apart from control, the control that is consistent with characteristic according to the kind of operation.That is, can divide into, X1 is identical with X2, X1 is greater than X2, X2 three kinds of situations greater than X1.

Namely, the machining center that aforesaid embodiments of the invention are different from the past, by the continual whole interval of transferring in the middle of using, not only can be to the small processing thing but also can process the long machining object of length, and have the advantage of processing independently of one another by the running of each Work machine section.For example can carry out arresting stop 1 or install 2, only carry out that a processing operation, device 1 in 1 or 2 processed (producing form machining object of the same race) simultaneously with device 2, device 1 is processed (producing the different shape machining object), interlock processing etc. simultaneously with device 2.

In the above explanation, the present invention has carried out diagram and the explanation relevant with specific embodiment, but the technical staff of the technical field of the invention tool should be appreciated that in the limit that does not break away from thought of the present invention and scope and can carry out multiple transformation and variation.

Claims

1. two main shaft (a 210) machining center is characterized in that, comprising:

Line slideway (100) forms with a line along X-direction;

First and second Work machine section (200,300) is connected in described line slideway (100), is used for processing at least a machining object;

First and second handover section (400,500) transfers respectively described the first Work machine section (200) and the second Work machine section (300) independently along the XYZ direction of principal axis; And

Comprehensive Control section (700) is connected with described first and second handover section (400,500), controls the axial handover of XYZ for described machining object processing.

2. according to claim 1 pair of main shaft (210) machining center is characterized in that,

Described each Work machine section comprises:

The main shaft of High Rotation Speed (210);

Instrument interchanger (250) is installed on described main shaft (210), and is equipped be used to the instrument of processing described machining object; And

Pillar (220,320) is supported described main shaft (210), and is connected to form the guide rail that can transfer along Z axis with described handover section.

3. according to claim 1 pair of main shaft (210) machining center is characterized in that,

Described first and second handover section (400,500) comprising:

Frame (410,510) with described pillar (220,320) combination, thereby makes described main shaft (210) transfer along the XYZ axle;

Drive motors is connected with described frame (410,510), thereby transfers described main shaft (210) along the XYZ axle.

4. according to claim 1 pair of main shaft (210) machining center is characterized in that,

Comprehensive Control section (700), to be connected to carry out CNC digital control with described first and second handover section (400,500).

5. according to claim 1 pair of main shaft (210) machining center is characterized in that, also comprises:

Distance measurement sensor (600), the some sides in described first and second Work machine section (200,300) arrange to measure the distance of described the first Work machine section (200) and the second Work machine section (300).

6. according to claim 5 pair of main shaft (210) machining center is characterized in that,

When described distance measurement sensor (600) was measured to get off with the specific range of having set, the X-axis of described first and second Work machine section of blocking-up was transferred in described Comprehensive Control section (700).

7. according to claim 5 or 6 described pairs of main shafts (210) machining center, it is characterized in that,

Described distance measurement sensor (600) is infrared ray or ultrasonic sensor.