CN105127842A - Precise vertical control system of machining center - Google Patents
Precise vertical control system of machining center Download PDFInfo
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- CN105127842A CN105127842A CN201510536740.1A CN201510536740A CN105127842A CN 105127842 A CN105127842 A CN 105127842A CN 201510536740 A CN201510536740 A CN 201510536740A CN 105127842 A CN105127842 A CN 105127842A
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- leading screw
- guide rail
- driving mechanism
- screw seat
- base
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Classifications
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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
- B23Q37/00—Metal-working machines, or constructional combinations thereof, built-up from units designed so that at least some of the units can form parts of different machines or combinations; Units therefor in so far as the feature of interchangeability is important
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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
- 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
- B23Q1/44—Movable or adjustable work or tool supports using particular mechanisms
- B23Q1/56—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs only, the sliding pairs being the first two elements of the mechanism
- B23Q1/58—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs only, the sliding pairs being the first two elements of the mechanism a single sliding pair
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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
- B23Q5/00—Driving or feeding mechanisms; Control arrangements therefor
- B23Q5/22—Feeding members carrying tools or work
- B23Q5/34—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission
- B23Q5/38—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously
- B23Q5/40—Feeding other members supporting tools or work, e.g. saddles, tool-slides, through mechanical transmission feeding continuously by feed shaft, e.g. lead screw
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Machine Tool Units (AREA)
Abstract
The invention discloses a precise vertical control system of a machining center. The precise vertical control system of the machining center comprises a base, a saddle, a workbench, a stand column, a machining head, a first driving mechanism, a second driving mechanism, a third driving mechanism and a control device. The base is horizontally arranged. The saddle is mounted on the base in a sliding mode. The first driving mechanism is used for driving the saddle to move. The workbench is mounted on the saddle in a sliding mode. The second driving mechanism is used for driving the workbench to move. The stand column is fixed to one side of the base. The machining head is mounted on the stand column in a sliding mode. The third driving mechanism is used for driving the machining head to move. The control device is connected with the first driving mechanism, the second driving mechanism, the third driving mechanism and the machining head and used for receiving a control signal and controlling the first driving mechanism, the second driving mechanism, the third driving mechanism and the machining head to work coordinately through the received control signal to complete machining of a workpiece to be machined. The precise vertical control system of the machining center is high in machining precision and long in service life.
Description
Technical field
The present invention relates to machining technique field, particularly relate to a kind of control system of precise vertical machining centre.
Background technology
Machining center develops from CNC milling machine.Be that machining center has the ability automatically exchanging process tool with the maximum difference of CNC milling machine, by installing the cutter of different purposes on tool magazine, in clamped one time, the process tool on main shaft can be changed by automatic tool changer, realizing multiple machining functions.Be widely used in machine-building, machined field.
Existing machining center, by various structure influence, its machining accuracy and stability are all poor.
Summary of the invention
Based on the technical problem that above-mentioned background technology exists, the present invention proposes a kind of control system of precise vertical machining centre, to improve the machining accuracy of machining center.
The present invention proposes a kind of control system of precise vertical machining centre, comprising: base, saddle, workbench, column, processing head, the first driving mechanism, the second driving mechanism, the 3rd driving mechanism and control device;
Base is horizontally disposed for supporting whole device; Saddle is slidably arranged on base; First driving mechanism moves along Y direction on base for driving saddle; Workbench is slidably arranged on saddle; Second driving mechanism moves along X-direction on saddle for driving workbench; Column is fixed on the side of base; Processing head is slidably arranged on column; 3rd driving mechanism moves along Z-direction on column for driving processing head;
Control device is respectively with the first driving mechanism, the second driving mechanism, the 3rd driving mechanism with process head and be connected, and control device is used for controlling the first driving mechanism, the second driving mechanism, the 3rd driving mechanism and processing head according to control signal and carries out coordination to complete processing to machined part; In coordination, control device controls the first driving mechanism, the second driving mechanism action, promotes saddle and moves along X-direction along Y direction, workbench, make placement workpiece to be added on the table arrive at processing stations; When workpiece to be added arrives at processing stations, control device controls the 3rd driving mechanism action, and promotion processing head moves along Z-direction and arrives at processing stations; When processing head and arriving at processing stations, the action of control device controlled working head is processed workpiece to be processed.
Preferably, the both sides being positioned at base centerline at the upper surface of base are provided with to be arranged and the first guide rail be parallel to each other and the second guide rail along Y direction.
Preferably, saddle install is on the first guide rail and the second guide rail, and saddle is in transmission connection by the first transmission mechanism and the first driving mechanism; The both sides being positioned at saddle center line at the upper surface of saddle are provided with along X-direction layout and the 3rd guide rail be parallel to each other and the 4th guide rail.
Preferably, workbench is arranged on the 3rd guide rail and the 4th guide rail, and workbench is in transmission connection by the second transmission mechanism and the second driving mechanism.
Preferably, column is provided with near the side of base along Z-direction layout and the 5th guide rail be parallel to each other and the 6th guide rail; Processing head is arranged on the 5th guide rail and the 6th guide rail, and processing head is in transmission connection by the 3rd transmission mechanism and the 3rd driving mechanism.
Preferably, column inside is provided with the rectangular cavity of vertically arranging, is provided with the stiffener of integrated vertical layout in rectangular cavity; Stiffener comprises cylinder and reinforcement, gap is reserved with between the outer peripheral face of cylinder and the inner peripheral surface of rectangular cavity, reinforcement is positioned at gap and short transverse along column is provided with multilayer, and the two ends of reinforcement connect the outer peripheral face of rectangular cavity inner peripheral surface and cylinder respectively.
Preferably, every layer of reinforcement includes at grade and the first brace, the second brace, the 3rd brace and the 4th brace that connect successively from beginning to end, and the first brace, the second brace, the 3rd brace and the 4th brace lay respectively at the corner of rectangular cavity, the first brace, the second brace, the 3rd brace and the 4th brace are equipped with cushion hole.
Preferably, the both sides being positioned at base centerline at the lower surface of base are provided with to be arranged and the first supporting surface be parallel to each other and the second supporting surface along Y direction; Arcwall face is provided with between first supporting surface and the second supporting surface, and the upper surface convex surface facing base of arcwall face, the peak of arcwall face is positioned at the below of base upper surface center line.
Preferably, the both sides being positioned at central line of table at the lower surface of workbench are provided with to be arranged and the 3rd supporting surface be parallel to each other and the 4th supporting surface along X-direction; Arcwall face is provided with between 3rd supporting surface and the 4th supporting surface, and the upper surface convex surface facing workbench of arcwall face, the peak of arcwall face is positioned at the below of worktable upper surface center line.
Preferably, between the first guide rail and the second guide rail, be provided with integrated first leading screw seat and the second leading screw seat at the upper surface of base, and the line between the first leading screw seat and the second leading screw seat is parallel to the first guide rail and the second guide rail.
Preferably, integrated first nut seat is provided with at the lower surface of saddle.
Preferably, the first transmission mechanism comprises the first leading screw and is sleeved on the first feed screw nut on the first leading screw, and the first leading screw is connected with the first driving mechanism with the second leading screw seat through the first leading screw seat successively; First feed screw nut to be arranged on the first nut seat and between the first leading screw seat and the second leading screw seat.
Preferably, the first guide rail and the second guide rail and base one-body molded.
Preferably, between the 3rd guide rail and the 4th guide rail, be provided with integrated 3rd leading screw seat and the 4th leading screw seat at the upper surface of saddle, and the line between the 3rd leading screw seat and the 4th leading screw seat is parallel to the 3rd guide rail and the 4th guide rail.
Preferably, be positioned at arcwall face peak place at the lower surface of workbench and be provided with integrated second nut seat.
Preferably, the second transmission mechanism comprises the second leading screw and is sleeved on the second feed screw nut on the second leading screw, and the second leading screw is connected with the second driving mechanism with the 4th leading screw seat through the 3rd leading screw seat successively; Second feed screw nut to be arranged on the second nut seat and between the 3rd leading screw seat and the 4th leading screw seat.
Preferably, the 3rd guide rail and the 4th guide rail and saddle one-body molded,
Preferably, between the 5th guide rail and the 6th guide rail, be provided with integrated 5th leading screw seat and the 6th leading screw seat at column, and the line between the 5th leading screw seat and the 6th leading screw seat is parallel to the 5th guide rail and the 6th guide rail.
Preferably, integrated 3rd nut seat is provided with at processing head.
Preferably, the 3rd transmission mechanism comprises the 3rd leading screw and is sleeved on the 3rd feed screw nut on the 3rd leading screw, and the 3rd leading screw is connected with the 3rd driving mechanism with the 6th leading screw seat through the 5th leading screw seat successively; 3rd feed screw nut to be arranged on the 3rd nut seat and between the 5th leading screw seat and the 6th leading screw seat.
Preferably, the 5th guide rail and the 6th guide rail one-body molded.
In the present invention, control device is respectively with the first driving mechanism, the second driving mechanism, the 3rd driving mechanism with process head and be connected; In the course of the work, operating personnel, by control device input control signal, utilize control device to control the first driving mechanism, the second driving mechanism, the 3rd driving mechanism and processing head and carry out coordination to complete processing to machined part; In coordination, control device controls the first driving mechanism, the second driving mechanism action, promotes saddle and moves along X-direction along Y direction, workbench, make placement workpiece to be added on the table arrive at processing stations; When workpiece to be added arrives at processing stations, control device controls the 3rd driving mechanism action, and promotion processing head moves along Z-direction and arrives at processing stations; When processing head and arriving at processing stations, the action of control device controlled working head is processed workpiece to be processed; The control system of precise vertical machining centre proposed by the invention, whole process controls automatically by control device, and machining accuracy is high, and steadiness is good, long service life.
Accompanying drawing explanation
Fig. 1 is the structural representation of the control system of a kind of precise vertical machining centre that the present invention proposes;
Fig. 2 is the side view of the control system of a kind of precise vertical machining centre that the present invention proposes;
The structural representation of column described in the control system of a kind of precise vertical machining centre that Fig. 3 proposes for the present invention;
The top view of column described in the control system of a kind of precise vertical machining centre that Fig. 4 proposes for the present invention;
The installation diagram of head and column is processed described in the control system of a kind of precise vertical machining centre that Fig. 5 proposes for the present invention;
The structural representation one of base described in the control system of a kind of precise vertical machining centre that Fig. 6 proposes for the present invention;
The structural representation two of base described in the control system of a kind of precise vertical machining centre that Fig. 7 proposes for the present invention;
The installation diagram of saddle and base described in the control system of a kind of precise vertical machining centre that Fig. 8 proposes for the present invention;
The structural representation of workbench described in the control system of a kind of precise vertical machining centre that Fig. 9 proposes for the present invention;
The installation diagram of workbench and saddle described in the control system of a kind of precise vertical machining centre that Figure 10 proposes for the present invention.
Detailed description of the invention
Below, by specific embodiment, technical scheme of the present invention is described in detail.
As Figure 1-10 shows, Fig. 1 is the structural representation of the control system of a kind of precise vertical machining centre that the present invention proposes; Fig. 2 is the side view of the control system of a kind of precise vertical machining centre that the present invention proposes; The structural representation of column described in the control system of a kind of precise vertical machining centre that Fig. 3 proposes for the present invention; The top view of column described in the control system of a kind of precise vertical machining centre that Fig. 4 proposes for the present invention; The installation diagram of head and column is processed described in the control system of a kind of precise vertical machining centre that Fig. 5 proposes for the present invention; The structural representation one of base described in the control system of a kind of precise vertical machining centre that Fig. 6 proposes for the present invention; The structural representation two of base described in the control system of a kind of precise vertical machining centre that Fig. 7 proposes for the present invention; The installation diagram of saddle and base described in the control system of a kind of precise vertical machining centre that Fig. 8 proposes for the present invention; The structural representation of workbench described in the control system of a kind of precise vertical machining centre that Fig. 9 proposes for the present invention; The installation diagram of workbench and saddle described in the control system of a kind of precise vertical machining centre that Figure 10 proposes for the present invention.
In this article, described X-axis, Y-axis, Z axis mutually orthogonal formation 3 D stereo coordinate system.
With reference to Fig. 1-2, the control system of a kind of precise vertical machining centre that the embodiment of the present invention proposes, comprise: base 1, saddle 2, workbench 3, column 4, processing head 5, first driving mechanism 6, second driving mechanism 7, the 3rd driving mechanism 8 and control device, wherein:
Base 1 is horizontally disposed, and the both sides being positioned at base 1 center line at the upper surface of base 1 are provided with along Y direction layout and the first guide rail 101 and the second guide rail 102 be parallel to each other.
Saddle 2 is arranged on the first guide rail 101 and the second guide rail 102, and saddle 2 is in transmission connection by the first transmission mechanism and the first driving mechanism 6; The both sides being positioned at saddle 2 center line at the upper surface of saddle 2 are provided with along X-direction layout and the 3rd guide rail 201 be parallel to each other and the 4th guide rail 202.
Workbench 3 is arranged on the 3rd guide rail 201 and the 4th guide rail 202, and workbench 3 is in transmission connection by the second transmission mechanism and the second driving mechanism 7.
Column 4 is fixed on the side of base 1, column 4 is provided with near the side of base 1 and arranges and the 5th guide rail 401 be parallel to each other and the 6th guide rail 402 along Z-direction; Processing head 5 is arranged on the 5th guide rail 401 and the 6th guide rail 402, and processing head 5 is in transmission connection by the 3rd transmission mechanism and the 3rd driving mechanism 8.
Control device is respectively with the first driving mechanism 6, second driving mechanism 7, the 3rd driving mechanism 8 with process head 5 and be connected, and control device is used for controlling the first driving mechanism 6, second driving mechanism 7, the 3rd driving mechanism 8 and processing head 5 according to control signal and carries out coordination to complete processing to machined part; In coordination, control device controls the first driving mechanism 6, second driving mechanism 7 action, promotes saddle 2 and moves along X-direction along Y direction, workbench 3, make the workpiece to be added be placed on workbench 3 arrive at processing stations; When workpiece to be added arrives at processing stations, control device controls the 3rd driving mechanism 8 action, and promotion processing head 5 moves along Z-direction and arrives at processing stations; When processing head 5 and arriving at processing stations, the action of control device controlled working head 5 is processed workpiece to be processed.The whole process of the present invention controls automatically by control device, avoids the mismachining tolerance that human factor causes, improves machining accuracy.
In order to strengthen the machining accuracy of machining center further, in the present embodiment, further improvement is done to parts each in machining center:
With reference to Fig. 3-4, column 4 inside is provided with the rectangular cavity of vertically arranging, is provided with the stiffener of integrated vertical layout in rectangular cavity; Stiffener comprises cylinder 91 and reinforcement 92, gap is reserved with between the outer peripheral face of cylinder 91 and the inner peripheral surface of rectangular cavity, reinforcement 92 is positioned at gap and short transverse along column 4 is provided with multilayer, and the two ends of reinforcement 92 connect the outer peripheral face of rectangular cavity inner peripheral surface and cylinder 91 respectively; Every layer of reinforcement 92 includes at grade and the first brace 921, second brace 922, the 3rd brace 923 and the 4th brace 924 that connect successively from beginning to end, and the first brace 921, second brace 922, the 3rd brace 923 and the 4th brace 924 lay respectively at the corner of rectangular cavity, the first brace 921, second brace 922, the 3rd brace 923 and the 4th brace 924 are equipped with cushion hole; The present invention, by arranging stiffener in square cavity, makes the rigidity of column 4 strengthen, strengthens the antidetonation of column 4, counter-bending and distortion resistance; Column 4 can not be bent or distortion under the duty of processing the high rotating speed of head 5 and high moment of torsion, on the hollow-core construction of cylinder 91 and brace, the structural design of cushion hole can play good damping effect, make processing head 5 more steady in the course of the work, thus improve machining accuracy.With reference to Fig. 3-5, column 4 is provided with integrated 5th leading screw seat 403 and the 6th leading screw seat 404 between the 5th guide rail 401 and the 6th guide rail 402, and the line between the 5th leading screw seat 403 and the 6th leading screw seat 404 is parallel to the 5th guide rail 401 and the 6th guide rail 402; Processing head 5 is provided with integrated 3rd nut seat; 3rd transmission mechanism comprises the 3rd leading screw and is sleeved on the 3rd feed screw nut on the 3rd leading screw, and the 3rd leading screw is connected with the 3rd driving mechanism 8 with the 6th leading screw seat 404 through the 5th leading screw seat 403 successively; 3rd feed screw nut to be arranged on the 3rd nut seat and between the 5th leading screw seat 403 and the 6th leading screw seat 404; 5th guide rail 401 and the 6th guide rail 402 one-body molded; By the 5th leading screw seat 403 one-body molded on column 4 and the 6th leading screw seat 404, one-body molded 3rd nut seat on processing head 5, thus avoid because of leading screw supporting seat at work stressed companys of causing loosen, the quality of fit of impact processing head 5 and column 4.And simplify assembly technology, make the structure of whole machining center more simple and practical.
With reference to Fig. 6, the both sides being positioned at base 1 center line at the lower surface of base 1 are provided with along Y direction layout and the first supporting surface 103 and the second supporting surface 104 be parallel to each other; Arcwall face 105 is provided with between first supporting surface 103 and the second supporting surface 104, and the upper surface convex surface facing base 1 of arcwall face 105, the peak of arcwall face 105 is positioned at the below of base 1 upper surface center line; The below of one supporting surface 103 and the second supporting surface 104 is arranged and the first supporting seat 1031 and the second supporting seat 1041 be parallel to each other along Y direction respectively; First supporting seat 1031 and the second supporting seat 1041 by polylith back-up block composition on the same line, and every block supporting seat are equipped with the adjusting bolt hole vertically arranged; The two ends being positioned at arcwall face 105 at base 1 lower surface are equipped with Level tune block 1051, and Level tune block 1051 is provided with the adjusting bolt hole vertically arranged.The present invention by being arranged to arcwall face 105 between the first supporting surface 103 and the second supporting surface 104, the lower surface of base 1 is made to form shape arch, thus the bearing capacity of base 1 is disperseed to both sides, pressure dissipation is straight down become to pass to the power of adjacent part downwards and outwards, thus avoids pressure to concentrate causing the problem of base bending; And the design of arcwall face 105 also allows power space for the deformation of base 1 provides, thus effectively can extend the service life of base 1; In addition, due to when upper surface is constant, lower surface is set to the structure of arcwall face, can reduce base 1 self gravitation, decreases the load-bearing burden of base 1.
In addition, by installing adjusting bolt in adjusting bolt hole, by the horizontal level regulating adjusting bolt can adjust base 1.
With reference to Fig. 7-8, between the first guide rail 101 and the second guide rail 102, be provided with integrated first leading screw seat 106 and the second leading screw seat 107 at the upper surface of base 1, and the line between the first leading screw seat 106 and the second leading screw seat 107 is parallel to the first guide rail 101 and the second guide rail 102; Integrated first nut seat is provided with at the lower surface of saddle 2; First transmission mechanism comprises the first leading screw and is sleeved on the first feed screw nut on the first leading screw, and the first leading screw is connected with the first driving mechanism 6 with the second leading screw seat 107 through the first leading screw seat 106 successively; First feed screw nut to be arranged on the first nut seat and between the first leading screw seat 106 and the second leading screw seat 107; First guide rail 101 and the second guide rail 102 one-body molded with base 1.By first leading screw seat 106 and the second leading screw seat 107 one-body molded on base 1, one-body molded first nut seat on saddle 2, thus avoid because of leading screw supporting seat at work the stressed company of causing loosen, affect the quality of fit of saddle 2 and base 1.And simplify assembly technology, make the structure of whole machining center more simple and practical.
With reference to Fig. 9, the both sides being positioned at workbench 3 center line at the lower surface of workbench 3 are provided with along X-direction layout and the 3rd supporting surface 301 be parallel to each other and the 4th supporting surface 302; Arcwall face 303 is provided with between 3rd supporting surface 301 and the 4th supporting surface 302, and the upper surface convex surface facing workbench 3 of arcwall face 303, the peak of arcwall face 303 is positioned at the below of workbench 3 upper surface center line; Be positioned at arcwall face 303 peak place at the lower surface of workbench 3 and be provided with integrated second nut seat 304.By being arranged to arcwall face 303 between the 3rd supporting surface 301 and the 4th supporting surface 302, the lower surface of workbench 3 is made to form shape arch, thus the bearing capacity of workbench 3 is disperseed to both sides, pressure dissipation is straight down become to pass to the power of adjacent part downwards and outwards, thus avoids pressure to concentrate causing the problem of base bending; And the design of arcwall face 303 also allows power space for the deformation of workbench 3 provides, thus effectively can extend the service life of base worktable 3; In addition, due to when upper surface is constant, lower surface is set to the structure of arcwall face, can reduce workbench 3 self gravitation, decreases the load-bearing burden of workbench 3.
With reference to Fig. 8-10, between the 3rd guide rail 201 and the 4th guide rail 202, be provided with integrated 3rd leading screw seat 203 and the 4th leading screw seat 204 at the upper surface of saddle 2, and the line between the 3rd leading screw seat 203 and the 4th leading screw seat 204 is parallel to the 3rd guide rail 201 and the 4th guide rail 202; Be positioned at the 3rd leading screw seat 203 at the upper surface of saddle 2 and be provided with integrated bearing mounting base 205 away from the side of the 4th leading screw seat 204; Second transmission mechanism comprises the second leading screw and is sleeved on the second feed screw nut on the second leading screw, and the second leading screw is connected with the second driving mechanism 7 with the 4th leading screw seat 204 through the 3rd leading screw seat 203 successively; Second feed screw nut to be arranged on the second nut seat 304 and between the 3rd leading screw seat 203 and the 4th leading screw seat 204; 3rd guide rail 201 and the 4th guide rail 202 one-body molded with saddle 2.By the 3rd leading screw seat 203 one-body molded on saddle 2 and the 4th leading screw seat 204, one-body molded second nut seat 304 on workbench 3, thus avoid because of leading screw supporting seat at work the stressed company of causing loosen, affect the quality of fit of workbench 3 and base 1 saddle 2.And simplify assembly technology, make the structure of whole machining center more simple and practical.
As from the foregoing, the control system of precise vertical machining centre proposed by the invention, machining accuracy is high, and steadiness is good, and non-deformability is strong, long service life.
The above; be only the present invention's preferably detailed description of the invention; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (10)
1. the control system of a precise vertical machining centre, it is characterized in that, comprising: base (1), saddle (2), workbench (3), column (4), processing head (5), the first driving mechanism (6), the second driving mechanism (7), the 3rd driving mechanism (8) and control device;
Base (1) is horizontally disposed for supporting whole device; Saddle (2) is slidably arranged on base (1); First driving mechanism (6) moves along Y direction on base (1) for driving saddle (2); Workbench (3) is slidably arranged on saddle (2); Second driving mechanism (7) moves along X-direction on saddle (2) for driving workbench (3); Column (4) is fixed on the side of base (1); Processing head (5) is slidably arranged on column (4); 3rd driving mechanism (8) moves along Z-direction on column (4) for driving processing head (5);
Control device is respectively with the first driving mechanism (6), the second driving mechanism (7), the 3rd driving mechanism (8) with process head (5) and be connected, and control device is used for controlling the first driving mechanism (6), the second driving mechanism (7), the 3rd driving mechanism (8) and process head (5) to carry out coordination to complete processing to machined part according to control signal; In coordination, control device controls the first driving mechanism (6), the second driving mechanism (7) action, promote saddle (2) to move along X-direction along Y direction, workbench (3), make the workpiece to be added be placed on workbench (3) arrive at processing stations; When workpiece to be added arrives at processing stations, control device controls the 3rd driving mechanism (8) action, and promotion processing head (5) is moved along Z-direction and arrived at processing stations; When processing head (5) and arriving at processing stations, control device controlled working head (5) action is processed workpiece to be processed.
2. the control system of precise vertical machining centre according to claim 1, it is characterized in that, the both sides that z is positioned at base (1) center line at the upper surface of base (1) are provided with along Y direction layout and the first guide rail (101) be parallel to each other and the second guide rail (102).
3. the control system of precise vertical machining centre according to claim 2, it is characterized in that, saddle (2) is arranged on the first guide rail (101) and the second guide rail (102), and saddle (2) is in transmission connection by the first transmission mechanism and the first driving mechanism (6); The both sides being positioned at saddle (2) center line at the upper surface of saddle (2) are provided with along X-direction layout and the 3rd guide rail (201) be parallel to each other and the 4th guide rail (202).
4. the control system of precise vertical machining centre according to claim 3, it is characterized in that, workbench (3) is arranged on the 3rd guide rail (201) and the 4th guide rail (202), and workbench (3) is in transmission connection by the second transmission mechanism and the second driving mechanism (7).
5. the control system of precise vertical machining centre according to claim 4, it is characterized in that, the upper side near base (1) of column (4) is provided with to be arranged and the 5th guide rail (401) be parallel to each other and the 6th guide rail (402) along Z-direction; Processing head (5) is arranged on the 5th guide rail (401) and the 6th guide rail (402), and processing head (5) is in transmission connection by the 3rd transmission mechanism and the 3rd driving mechanism (8).
6. the control system of precise vertical machining centre according to claim 5, is characterized in that, column (4) inside is provided with the rectangular cavity of vertically arranging, is provided with the stiffener of integrated vertical layout in rectangular cavity; Stiffener comprises cylinder (91) and reinforcement (92), gap is reserved with between the outer peripheral face of cylinder (91) and the inner peripheral surface of rectangular cavity, reinforcement (92) is positioned at gap and short transverse along column (4) is provided with multilayer, and the two ends of reinforcement (92) connect the outer peripheral face of rectangular cavity inner peripheral surface and cylinder (91) respectively; Preferably, every layer of reinforcement (92) includes at grade and the first brace (921), the second brace (922), the 3rd brace (923) and the 4th brace (924) that connect successively from beginning to end, and the first brace (921), the second brace (922), the 3rd brace (923) and the 4th brace (924) lay respectively at the corner of rectangular cavity, the first brace (921), the second brace (922), the 3rd brace (923) and the 4th brace (924) are equipped with cushion hole.
7. the control system of precise vertical machining centre according to claim 6, it is characterized in that, the both sides being positioned at base (1) center line at the lower surface of base (1) are provided with along Y direction layout and the first supporting surface (103) be parallel to each other and the second supporting surface (104); Arcwall face (105) is provided with between first supporting surface (103) and the second supporting surface (104), and the upper surface convex surface facing base (1) of arcwall face (105), the peak of arcwall face (105) is positioned at the below of base (1) upper surface center line.
8. the control system of precise vertical machining centre according to claim 6, it is characterized in that, the both sides being positioned at workbench (3) center line at the lower surface of workbench (3) are provided with along X-direction layout and the 3rd supporting surface (301) be parallel to each other and the 4th supporting surface (302); Arcwall face (303) is provided with between 3rd supporting surface (301) and the 4th supporting surface (302), and the upper surface convex surface facing workbench (3) of arcwall face (303), the peak of arcwall face (303) is positioned at the below of workbench (3) upper surface center line; Preferably, be positioned between the first guide rail (101) and the second guide rail (102) at the upper surface of base (1) and be provided with integrated first leading screw seat (106) and the second leading screw seat (107), and the line between the first leading screw seat (106) and the second leading screw seat (107) is parallel to the first guide rail (101) and the second guide rail (102); Preferably, integrated first nut seat is provided with at the lower surface of saddle (2); Preferably, first transmission mechanism comprises the first leading screw and is sleeved on the first feed screw nut on the first leading screw, and the first leading screw is connected with the first driving mechanism (6) with the second leading screw seat (107) through the first leading screw seat (106) successively; First feed screw nut to be arranged on the first nut seat and to be positioned between the first leading screw seat (106) and the second leading screw seat (107); Preferably, the first guide rail (101) and the second guide rail (102) are one-body molded with base (1).
9. the control system of precise vertical machining centre according to claim 6, it is characterized in that, preferably, be positioned between the 3rd guide rail (201) and the 4th guide rail (202) at the upper surface of saddle (2) and be provided with integrated 3rd leading screw seat (203) and the 4th leading screw seat (204), and the line between the 3rd leading screw seat (203) and the 4th leading screw seat (204) is parallel to the 3rd guide rail (201) and the 4th guide rail (202); Preferably, be positioned at the 3rd leading screw seat (203) at the upper surface of saddle (2) and be provided with integrated bearing mounting base (205) away from the side of the 4th leading screw seat (204); Preferably, be positioned at arcwall face (303) peak place at the lower surface of workbench (3) and be provided with integrated second nut seat (304); Preferably, second transmission mechanism comprises the second leading screw and is sleeved on the second feed screw nut on the second leading screw, and the second leading screw is connected with the second driving mechanism (7) with the 4th leading screw seat (204) through the 3rd leading screw seat (203) successively; Second feed screw nut is arranged on the second nut seat (304) and goes up and be positioned between the 3rd leading screw seat (203) and the 4th leading screw seat (204); Preferably, the 3rd guide rail (201) and the 4th guide rail (202) are one-body molded with saddle (2).
10. the control system of precise vertical machining centre according to claim 6, it is characterized in that, be positioned between the 5th guide rail (401) and the 6th guide rail (402) at column (4) and be provided with integrated 5th leading screw seat (403) and the 6th leading screw seat (404), and the line between the 5th leading screw seat (403) and the 6th leading screw seat (404) is parallel to the 5th guide rail (401) and the 6th guide rail (402); Preferably, processing head (5) is provided with integrated 3rd nut seat; Preferably, 3rd transmission mechanism comprises the 3rd leading screw and is sleeved on the 3rd feed screw nut on the 3rd leading screw, and the 3rd leading screw is connected with the 3rd driving mechanism (8) with the 6th leading screw seat (404) through the 5th leading screw seat (403) successively; 3rd feed screw nut to be arranged on the 3rd nut seat and to be positioned between the 5th leading screw seat (403) and the 6th leading screw seat (404); Preferably, the 5th guide rail (401) and the 6th guide rail (402) one-body molded.
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| CN201510536740.1A CN105127842A (en) | 2015-08-26 | 2015-08-26 | Precise vertical control system of machining center |
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