CN200945556Y - Five-coordinate numerical control machine machining center based on three-coordinate power head - Google Patents
Five-coordinate numerical control machine machining center based on three-coordinate power head Download PDFInfo
- Publication number
- CN200945556Y CN200945556Y CN 200620026330 CN200620026330U CN200945556Y CN 200945556 Y CN200945556 Y CN 200945556Y CN 200620026330 CN200620026330 CN 200620026330 CN 200620026330 U CN200620026330 U CN 200620026330U CN 200945556 Y CN200945556 Y CN 200945556Y
- Authority
- CN
- China
- Prior art keywords
- line slideway
- moving
- machining center
- column
- saddle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Machine Tool Units (AREA)
Abstract
The utility model discloses a five-coordinate numerical control machine machining center based on three-coordinate power head and comprises a pedestal, a supporting board, an assistant bridging beam, and a motor unit. The motor unit comprises a pillar, a sliding saddle, and a processing tool, and the processing tool comprises a fixing frame, a moving platform, and three branch chains of the same structure and space axial symmetry arranged between the fixing frame and the moving platform evenly, and the fixing frame of the processing tool is fixed at the slide saddle; each branch chain comprises a connecting rod, a first straight guide rail, a driving device, and a carriage, and the numerical control machine machining center has at least two motor units. The processing tool of the processing unit of the utility model is a spatial parallel mechanism of two rotational structures and one translatory structure and can reduce the two weight of the whole module. The processing center comprises at least two motor units capable of independent moving and has the advantages of low moving weight and compact structure.
Description
Technical field
The utility model relates to a kind of Digit Control Machine Tool, particularly relates to a kind of a kind of five-coordinate numerally controlled machine tool machining center based on the three-dimensional unit head that is used for large-size workpiece processing.
Background technology
According to patent US5183374 (or EP0420735, FR2652291) and patent WO9819819 (or EP0935510, DE19645324, EP0935510) as can be known, the existing machining center that is used for large-size workpiece processing comprises base, gripper shoe, gate beam, column, saddle and machining tool six parts.The base of this type of machining center, gripper shoe and gate beam three are fixedlyed connected, the at least one line slideway moving linearly that fixedly installs on the base, for be set with on the integral rigidity gate beam that improves machining center at least one with base upper rail parallel linear guides, column can be done relative straight line sliding motion along the line slideway on base and the gate beam; Be set with machining tool on the saddle, and at least one line slideway that can fixedly install on the column is done relative straight line sliding motion, this direction of motion and column direction of motion quadrature; Machining tool can be a fixing electric main shaft or has an electric main shaft with the one-movement-freedom-degree of column and saddle direction of motion quadrature, by control system to the interlock control realization of a plurality of coordinates of motion processing to large-size workpiece.Be further to improve rigidity, precision and the acceleration of this type of machining center, it is the gantry Machining Center of machining tool with modular parallel institution that patent US2004194569 (or EP1378315, WO02072308, EP1378315) has proposed a kind of.
Above-mentioned machining center only has one can be along the column of base slippage, the deficiency of its existence is: when processing object is longer, column is bigger with respect to base and gate beam range of movement, makes whole lathe very huge, and is unfavorable for improving machining efficient.
According to patent US6431802 (or WO0025976, EP1123175, CA2349579, DE19850708) as can be known, existing machining tool, comprise fixed mount, moving platform and three side chains that structure is identical, every side chain comprises drive unit, first line slideway, planker, hinge and connecting rod five parts.The structure of this parallel institution distributes axisymmetricly in the space, and end effector is fixedlyed connected with moving platform, and the guide rail direction is parallel to symmetry axis, and planker is connected by moving sets with first line slideway; Connecting rod one end is connected with moving platform by the hinge with three revolution frees degree, the other end is connected with planker by the hinge with a revolution free degree, drive unit and line slideway are fixedly installed on the fixed mount, and planker is used with servomotor ball guide screw nat or other linear drive apparatus and driven.In the parallel institution that adopts this version, each planker can move at the driving lower edge of servomotor ball guide screw nat line slideway independently, thereby makes moving platform produce the rotation of moving and winding perpendicular to two quadrature-axis of this axis along of the symmetry axis axis with respect to fixed mount.
Because first line slideway is fixedlyed connected with fixed mount in said mechanism, the deficiency of its existence is: fixed mount is bigger along the size on the guide rail direction, when it does high-speed motion after other moving component connects, will produce bigger inertia load.
Summary of the invention
The purpose of this utility model is to overcome the shortcoming of prior art, a kind of have good stiffness, precision and exercise performance are provided, can effectively improve machining efficient, can effectively reduce a kind of five-coordinate numerally controlled machine tool machining center based on three-dimensional unit head of fixed mount along the size of the first line slideway direction.
A kind of five-coordinate numerally controlled machine tool machining center of the present utility model based on the three-dimensional unit head, constitute by base, gripper shoe, gate beam and moving cell, described moving cell comprises column, saddle and machining tool, described gripper shoe is fixedly connected on the described base, described gate beam is fixed on the described gripper shoe, be set with at least one line slideway on the described base, be set with at least one line slideway on the described gate beam, and the guide rail on this guide rail and the described base is parallel to each other; Described column respectively with described base and gate beam on line slideway be slidingly connected mutually each other; Be set with at least one line slideway on the described column, described saddle is slidingly connected each other mutually with line slideway on the described column, described machining tool is by fixed mount, moving platform and spatial axes symmetry is uniform to be arranged on the described fixed mount side chain identical with three structures between the moving platform and to constitute, the fixed mount of described machining tool is fixed on the described saddle, described each side chain is by connecting rod, first line slideway, drive unit and planker constitute, described moving cell is at least two, and described first line slideway and drive unit are fixedly installed on the connecting rod respectively; Described connecting rod one end is connected with described moving platform by the hinge with three revolution frees degree, described planker is connected with moving sets with described first line slideway, and be connected with fixed mount by hinge with a revolution free degree, described its axis direction of hinge and described side chain symmetry axis axis normal with a revolution free degree, and with cylinder radially vertical that with described symmetry axis is axis.
The machining tool of machining center of the present utility model is because with connecting rod and drive unit and line slideway is integrated makes it become driving part, planker is connected with fixed mount by the hinge that only has a revolution free degree, thereby constitute a kind of space two rotation-translation parallel institution, this mechanism is owing to be made of one first line slideway and connecting rod, can effectively reduce the size of fixed mount along the first line slideway direction, thereby realizing the identical free degree and guaranteeing to reduce the quality of whole module under the situation of same stiffness.Simultaneously, this machining center comprise at least two can self-movement moving cell, can take series connection according to a plurality of moving cells of processing needs, parallel relative or other any one arrangement forms, the interlock of a plurality of each coordinates of motion of moving cell is controlled the purpose that realizes the large-size workpiece working (machining) efficiency by multi-axis numerical control system, owing to adopt multiple freedom parallel mechanism as machining tool, in machining center of the present utility model and the present commercial Application other adopt the machining center of simple cascaded structure to compare, it is low to have moving-mass, the advantage of compact conformation, and machining center of the present utility model adopts modularized design, helps reducing its manufacturing cost.
Description of drawings
Fig. 1 is the structural representation of a plurality of moving cell arranged in series among the embodiment of the present utility model.
Fig. 2 is the structural representation of the parallel positioned opposite of a plurality of moving cells among the embodiment of the present utility model;
Fig. 3 is the structural representation of machining tool among the embodiment of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing 1-3 and specific embodiment the present invention is done to describe in detail.
As shown in Figure 1, X (11), Y (12), Z (13) are three mutually orthogonal cartesian coordinate axes.Machining center of the present utility model is made of base 1, gripper shoe 3, gate beam 8 and two identical moving cells of structure at least, and described each moving cell comprises column 4, saddle 6 and machining tool 7 three parts.Described gripper shoe 3 is fixedly connected on the described base 1, described gate beam 8 is fixed on the described gripper shoe 3, be set with at least one line slideway 2 on the described base 1, be set with at least one line slideway 10 on the described gate beam 8, and the guide rail 2 on this described guide rail 10 and the described base is parallel to each other; Described column 4 can be along line slideway 2 on described base 1 and the gate beam 8 and the 10 horizontal linear sliding motions of doing with respect to described base 1 and described gate beam 8 along X (11) direction; Described column 4 both sides are set with line slideway 5, described saddle 6 can be done the vertical straight line sliding motion along Y (12) direction with respect to described column 4 along the line slideway on the described column 45, and this direction of motion and described column are with respect to the direction of motion quadrature of described base and described gate beam; Be set with machining tool 7 on the described saddle 6.Machining tool 7 is that uniform described fixed mount 15 side chain identical with three structures between the moving platform 23 that be arranged on of symmetry axis constitutes by fixed mount 15, moving platform 23 and with the Z axle.The fixed mount 15 of described machining tool is fixed on the described saddle 6.Described three side chains are made of connecting rod 16, first line slideway 17, drive unit 18 and planker 20 respectively, and described first line slideway 17 and drive unit 18 are fixedly installed on respectively on the described connecting rod 16.Described side chain with the connected mode of described fixed mount 15 and moving platform 23 is: described connecting rod 16 1 ends are connected with described moving platform 23 by the hinge 21 that only has three revolution frees degree, and hinge 21 can be spherical hinge; Described planker 20 is connected with moving sets with described first line slideway 17, and by only have one the revolution free degree hinge 19 be connected with fixed mount 15, the version of hinge 19 is for there being two axles 19 at planker 20 two ends, these two axles are connected with fixed mount 15 by bearing again, so just constituted a rotary pair hinge, described only have one the revolution free degree hinge 19 its axis directions vertical with symmetry axis axis Z, and with symmetry axis Z be the cylindrical radially vertical of axis.Also be set with electric main shaft 22 on the described moving platform 23.
In described every side chain, only have three revolution frees degree between connecting rod 16 and the moving platform 23, only have a free degree that relatively moves between connecting rod 16 and the planker 20, planker 20 only has the revolution free degree around hinge 19 with respect to fixed mount.As shown in Figure 3, axis A, C, Z are mutually orthogonal, when described three side chains are synchronized with the movement, and moving platform 23 and go up fixing electric main shaft 22 and can realize moving along symmetry axis Z; When only being positioned at the side chain independently moving of bottom, moving platform 23 and upward fixing electric main shaft 22 thereof can be realized the gyration around axis C; During two mutual counter motions of side chain on and top static when the bottom side chain, moving platform 23 and go up fixing electric main shaft 22 and can realize gyration around axis A.
In the machining tool of present embodiment, drive unit 18 has adopted the version of servomotor-ball-screw, for an one-movement-freedom-degree is provided between connecting rod 16 and the planker 20, in order to reach same purpose, can also adopt the linear electric motors type of drive, for an one-movement-freedom-degree is provided between connecting rod 16 and the planker 20.Certainly, in the specific implementation, adopt other any one can realize that the version of same movement function all is fine as type of drive.
Machining tool of the present utility model utilizes that the Three Degree Of Freedom between the connecting rod 16 and moving platform 23 rotates in every side chain, between connecting rod 16 and the planker 20 relatively move and planker 20 and fixed mount 15 between single-degree-of-freedom rotate, moving platform 23 realizations are moved with respect to the space two rotation-translation of fixed mount 15.
In the present embodiment, described column 4 respectively with described base 1 and gate beam 8 on line slideway be slidingly connected mutually each other; Described column 4 is provided by the drive unit 14 that symmetry is fixedly installed on described column 4 both sides with respect to the rectilinear motion of described base 1 and gate beam 8, and described drive unit 14 has adopted the version of servomotor-decelerator-gear-tooth bar; Described saddle 6 is slidingly connected each other mutually with line slideway on the described column 4, described saddle 6 is provided by the drive unit 9 that symmetry is fixedly installed on described column 4 both sides with respect to the rectilinear motion of described column 4, and described drive unit 9 has adopted the version of servomotor-ball-screw.In order to reach same purpose, described drive unit 14 and 9 can also adopt the type of drive of linear electric motors.Certainly, in the specific implementation, adopt other any one can realize that the version of same movement function all is fine as type of drive.
In the present embodiment, described machining center comprises at least two described moving cells, can take series connection, parallel relative or other any one arrangement forms according to a plurality of moving cells of processing needs, the processing that realizes large-size workpiece be controlled in the interlock of a plurality of each coordinates of motion of moving cell by control system.
Machining center of the present utility model is compared with the arrangement form of the machining center of prior art, and its difference is:
(1) has plural moving cell;
(2) a plurality of moving cells are taked series connection, parallel relative or other any one arrangement forms.
Below schematically the present invention and embodiment thereof are described, this description does not have restricted, and shown in the accompanying drawing is one of embodiments of the present invention also, and practical structure is not limited thereto.So; if those of ordinary skill in the art is enlightened by it; under the situation that does not break away from the invention aim; the moving cell arrangement form, drive unit and other multiple freedom parallel mechanisms that can be used as machining tool that adopt other form all should belong to protection scope of the present invention without creationary frame mode similar to this technical scheme and the embodiment of designing.
Claims (5)
1. five-coordinate numerally controlled machine tool machining center based on the three-dimensional unit head, constitute by base, gripper shoe, gate beam and moving cell, described moving cell comprises column, saddle and machining tool, described gripper shoe is fixedly connected on the described base, described gate beam is fixed on the described gripper shoe, be set with at least one line slideway on the described base, be set with at least one line slideway on the described gate beam, and the guide rail on this guide rail and the described base is parallel to each other; Described column respectively with described base and gate beam on line slideway be slidingly connected mutually each other; Be set with at least one line slideway on the described column, described saddle is slidingly connected each other mutually with line slideway on the described column, described machining tool is by fixed mount, moving platform and spatial axes symmetry is uniform to be arranged on the described fixed mount side chain identical with three structures between the moving platform and to constitute, the fixed mount of described machining tool is fixed on the described saddle, described each side chain is by connecting rod, first line slideway, drive unit and planker constitute, it is characterized in that: described moving cell is at least two, and described first line slideway and drive unit are fixedly installed on the connecting rod respectively; Described connecting rod one end is connected with described moving platform by the hinge with three revolution frees degree, described planker is connected with moving sets with described first line slideway, and be connected with fixed mount by hinge with a revolution free degree, described its axis direction of hinge and described side chain symmetry axis axis normal with a revolution free degree, and with cylinder radially vertical that with described symmetry axis is axis.
2. machining center according to claim 1 is characterized in that: the setting of contacting each other of described a plurality of moving cells.
3. machining center according to claim 1 is characterized in that: parallel to each other being oppositely arranged of described a plurality of moving cells.
4. machining center according to claim 1 is characterized in that: the sliding connection structure of described column and described base and described gate beam is structure of the linear motion actuator, gear-rack structure or ball screw arrangement.
5. machining center according to claim 1 is characterized in that: the sliding connection structure of described saddle and described column is structure of the linear motion actuator, gear-rack structure or ball screw arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620026330 CN200945556Y (en) | 2006-06-08 | 2006-06-08 | Five-coordinate numerical control machine machining center based on three-coordinate power head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620026330 CN200945556Y (en) | 2006-06-08 | 2006-06-08 | Five-coordinate numerical control machine machining center based on three-coordinate power head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200945556Y true CN200945556Y (en) | 2007-09-12 |
Family
ID=38732617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620026330 Expired - Lifetime CN200945556Y (en) | 2006-06-08 | 2006-06-08 | Five-coordinate numerical control machine machining center based on three-coordinate power head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200945556Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102909596A (en) * | 2012-11-01 | 2013-02-06 | 哈尔滨工业大学 | Vertical movement shaft system in ultra-precision machine tool |
| CN109202185A (en) * | 2018-11-28 | 2019-01-15 | 东台耀强机械制造有限公司 | A kind of steel plate numerical control cutting machine |
| CN110936211A (en) * | 2019-12-24 | 2020-03-31 | 三门县瑶帆自动化科技有限公司 | Machine head transverse moving mechanism of gantry machine tool |
-
2006
- 2006-06-08 CN CN 200620026330 patent/CN200945556Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102909596A (en) * | 2012-11-01 | 2013-02-06 | 哈尔滨工业大学 | Vertical movement shaft system in ultra-precision machine tool |
| CN102909596B (en) * | 2012-11-01 | 2014-11-19 | 哈尔滨工业大学 | Vertical movement shaft system in ultra-precision machine tool |
| CN109202185A (en) * | 2018-11-28 | 2019-01-15 | 东台耀强机械制造有限公司 | A kind of steel plate numerical control cutting machine |
| CN110936211A (en) * | 2019-12-24 | 2020-03-31 | 三门县瑶帆自动化科技有限公司 | Machine head transverse moving mechanism of gantry machine tool |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100377847C (en) | Parallel mechanism having two rotational and one translational motion freedom | |
| CN200951497Y (en) | Two-D moving and two-D rotation parallel platform mechanism | |
| CN105855906B (en) | A kind of parallel institution with space three-freedom | |
| CN105522573A (en) | High-speed truss manipulator | |
| CN200988220Y (en) | Parallel robot mechanism for realizing two dimension moving and rotation | |
| CN112454337B (en) | Four-degree-of-freedom parallel mechanism with large-angle twisting platform and composite branched chain | |
| CN108656092B (en) | Series-parallel robot based on four branched chains, two-rotation and one-movement parallel mechanism | |
| CN102528525A (en) | Elevated gantry-type series-parallel configuration machine tool with six degrees of freedom | |
| CN105855921B (en) | Parallel institution with space three-freedom | |
| CN209078266U (en) | A kind of Universal moving platform | |
| CN101049699A (en) | Parallel mechanism capable of implementing two degrees of freedom in rotation, and one degree of freedom in translation | |
| CN205588291U (en) | Four degree of freedom parallel mechanism | |
| CN200945556Y (en) | Five-coordinate numerical control machine machining center based on three-coordinate power head | |
| CN1113727C (en) | Mixed connection based virtual axle machine tool | |
| CN112276912B (en) | Parallel mechanism containing orthogonal double-linear driving branched chain | |
| CN1257041C (en) | One-dimensional moving three-dimensional rotating parallel machine tool | |
| CN1261279C (en) | Three-axle parallel mainshaft head structure for implemonting multidirection verticel-horizontal processing | |
| CN212217783U (en) | Vertical series-parallel carving machine | |
| CN111438682B (en) | Industrial mobile overturning platform with three degrees of freedom of two rotations and one movement | |
| CN1078515C (en) | 5-coordinate compound structure of numerically controlled machine-tool | |
| CN112621716B (en) | Parallel mechanism containing multiple sliding rails and composite branched chains | |
| CN2745690Y (en) | Two-dimensional moving two-dimensional rotating parallel motion platform | |
| CN210588153U (en) | Series-parallel connection perpendicularity self-adjustment five-axis linkage numerical control machine tool structure | |
| CN1083746C (en) | Truss structure digital controlled machine-tool | |
| JP2021154480A (en) | Triaxial parallel linear robot |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070912 |
|
| EXPY | Termination of patent right or utility model |