CN202129467U

CN202129467U - High-precision numerical control equipment

Info

Publication number: CN202129467U
Application number: CN201120164346U
Authority: CN
Inventors: 宋贝贝
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-05-19
Filing date: 2011-05-19
Publication date: 2012-02-01
Anticipated expiration: 2021-05-19

Abstract

The utility model provides high-precision numerical control equipment, which comprises a frame and a full digital numerical control system. A power head assembly is arranged on the frame. The power head assembly comprises at least two machining main shafts for machining the same workpiece. The machining main shafts are electrically connected with the full digital numerical control system. The full digital numerical control system comprises a transceiver, an encoder signal input interface, a current signal interface, a power-driven interface and a programmable logic device. A serial communication interface is connected with the USB communication serial interface of the programmable logic device through the transceiver. The signal output terminal of the encoder signal input interface is connected with the encoder signal input terminal of the programmable logic device. Due to the arrangement of the high-precision numerical control equipment, parts of holes series can be machined from different positions at the same time. Meanwhile, the operation frequency of the positioning and clamping operation during the machining process is reduced. Compared with conventional machining equipment, the machining efficiency and the machining precision are obviously improved.

Description

A kind of high precision numerical control equipment

Technical field

It is the part processing apparatus field that the utility model belongs to the hole, specifically relates to a kind of high accurate hole numerical control device.

Background technology

The hole is that the general multiaspect of part is porose, needs multiaspect processing; And the hole be hole on the part shape and correct position whether, directly have influence on performance, precision and the life-span of machine.Usually it is that the mode of carrying out order processing is processed one by one that the processing technology of taking at present adopts the hole on the part to be processed, and the middle tool magazine automatic tool changer that needs is operated.Process and need the operation of tool magazine automatic tool changer in proper order in the hole one by one because its processing technology is a single shaft,, need repeatedly change installation way for multiaspect processing; So its process-cycle is longer, production efficiency is lower, if reach same productive temp; Need many process equipments, equipment investment is huge.

Group of planes formula processing technology is carried out institutional framework decomposition and lathe layout by the work post function, sets up group of planes formula workshop, in order to satisfy a few types of parts machining process requirements.Because its processing technology logical apparatus processing that are many Daeporis, have that equipment is wide in variety, personnel are many, production efficiency is low, labour intensity is big, product stability is poor, complex management, production skills requires height, can not satisfy requirements of mass production.Working (machining) efficiency is low; And high to the operators'skills requirement, machining accuracy is unstable.

The utility model content

A kind of high precision numerical control equipment of the utility model comprises frame, full digital numerical control system, and described frame is provided with the unit head assembly, and described unit head assembly comprises at least two machining spindles that are used to process same workpiece; Said machining spindle is electrically connected with full digital numerical control system; It comprises transceiver, code device signal input interface, current signal interface, power drive interface and PLD said full digital numerical control system; Serial communication port is connected with the usb communication serial line interface of PLD through transceiver; The signal output part of code device signal input interface is connected with the code device signal input of PLD; The current signal output end of current signal interface is connected with the current signal input of PLD, and the power drive signal output part of said PLD and the signal input part of power drive interface are connected.

Described numerical control device, wherein, described frame comprises workbench, and described workbench is provided with horizontal unit head and the vertical driving force head of workpiece being processed simultaneously from orthogonal direction, and the machining spindle of vertical driving force head is arranged straight up.

Described numerical control device, wherein, described frame comprises base, and described workbench is arranged on the base, and the base of described vertical driving force head both sides is provided with one group of unit head processing in the face of workpiece from two opposite sides.

Described numerical control device wherein, is installed with first line slideway on the described base, the axis direction of horizontal unit head is consistent with the length direction of first line slideway, is slidingly matched through first line slideway formation between workbench and the base.

Described numerical control device, wherein, described base is provided with workpiece detent mechanism that is used with workbench and first driving mechanism that drives first line slideway slip of workbench edge.

Described numerical control device; Wherein, Described first driving mechanism comprises first stepper motor that is installed on the base; The plate face towards workbench of base is provided with first ball-screw, and first ball-screw constitutes the feed screw nut with nut on being installed in workbench and cooperates, and the operation of first step motor drive, first ball-screw is to drive workbench along the slip of first line slideway.

The beneficial effect of the utility model is, utilize the process equipment of the utility model can be from different positions be that part is processed simultaneously to the hole, reduce the number of times that operate location and clamping in the process simultaneously; Can significantly improve working (machining) efficiency and machining accuracy with respect to existing process equipment.

Description of drawings

Fig. 1 is the structural representation of utility model;

Fig. 2 is the full digital numerical control system structural representation in the utility model.

The specific embodiment

Like Fig. 1, shown in Figure 2, a kind of high precision numerical control equipment of the utility model comprises frame, full digital numerical control system 20, and described frame is provided with the unit head assembly, and described unit head assembly comprises at least two machining spindles that are used to process same workpiece; Stepper motor interface 2047 in the described machining spindle is electrically connected with full digital numerical control system 20; It comprises transceiver 2042, code device signal input interface 2045, current signal interface 2046, power drive interface 2044 and PLD 2043 said full digital numerical control system 20; Serial communication port is connected with the usb communication serial line interface of PLD through transceiver; The signal output part of code device signal input interface 2045 is connected with the code device signal input of PLD; The current signal output end of current signal interface is connected with the current signal input of PLD, and the power drive signal output part of said PLD is connected with the signal input part of power drive interface 2044.For the use of aspect full digital numerical control system 20, an ad hoc analog output interface circuit 2048 and the analog quantity input interface 2049 put,

As shown in Figure 1, a kind of numerical control device comprises frame 1, full digital numerical control system 20, and described frame 1 is provided with the unit head assembly, and described unit head assembly comprises at least two machining spindles that are used to process same workpiece 7.Described unit head assembly can be set to be provided with on the single unit head two or more machining spindles; Also can be on two unit heads one or more machining spindles to be set respectively; It can also be the combination of three or more unit head; Add the position alignment and the fixation workpiece 7 of machining spindle on the position that man-hour workpiece 7 will be processed and the unit head assembly, start the unit head that is positioned at workpiece 7 sides and can realize the hole of workpiece 7 different parts is processed simultaneously; Because the utlity model has at least two machining spindles, can be simultaneously the hole of workpiece 7 different parts be processed, can significantly improve working (machining) efficiency with respect to the equipment of single shaft order processing; And, because can process different holes simultaneously, also just reduce in the process number of times that location and clamping are operated, reduced the unstability and the error of personnel operation, improved machining accuracy.

As shown in Figure 1; Frame 1 of the present invention comprises workbench 1A; Horizontal unit head 11 and vertical driving force head 10 are set on the workbench 1A, and the parallel axes of the machining spindle of horizontal unit head 11 is in the upper table surface of workbench 1A, and the axis normal of the machining spindle of vertical driving force head 10 is in the last plane of workbench 1A; The machined surface of horizontal unit head 11 and vertical driving force head 10 is vertical each other; And on two unit heads, at least one machining spindle being set respectively, the utility model is set to: be provided with the machining spindle that 4 axis are parallel to each other on the horizontal unit head 11, the machining spindle that two axis are parallel to each other is set on vertical driving force head 10; Horizontal unit head 11 is used for from the side workpiece 7 being processed, and vertical driving force head 10 is used for processing from the bottom surface to workpiece 7.

Multiaspect body opening to general is a part, and the unit head of a direction is processed the one side of workpiece, and the utility model can be processed the adjacent two sides of workpiece simultaneously; It is that the different parts of part is processed simultaneously that the utility model also is applicable to profiled holes; Such as: cylindrical hole is that the side of part has only a face; Six machining spindles of aforesaid unit head assembly still can be processed the hole of diverse location on the workpiece 7; Improve working (machining) efficiency, reduce the processing and manufacturing cost.

The novel frame 1 of this use also comprises base 1B; Described workbench 1A is arranged on the base 1B; The base 1B of described vertical driving force head 10 both sides goes up one group of

unit head

21,22 of processing in the face of workpiece 7 from two opposite sides is set, and on the

unit head

21,22 at least one machining spindle is set respectively; The utility model respectively is provided with two machining spindles on unit head 21 and unit head 22; Unit head 21 roughly is located along the same line with the plane projection of vertical driving force head 10, unit head 22; The projection of horizontal unit head 11 is in outside this straight line and is positioned on the vertical line that is projected as intersection point of this straight line with vertical driving force head 10; The position of vertical driving force head 10 is lower than the plane of above-mentioned three unit heads formation and processes from the bottom surface to workpiece 7; Above-mentioned three unit heads are processed workpiece 7 from three sides, like this, and through cooperating of

unit head

21,22 and horizontal unit head 11 and vertical driving force head 10; Can realize workpiece 7 is processed from four direction simultaneously, further improve working (machining) efficiency.

Be installed with first line slideway 12 on the base 1B; The axis direction of the machining spindle of horizontal unit head 11 is consistent with the length direction of first line slideway 12; That is to say the length direction of the axis direction of vertical driving force head 10 perpendicular to first line slideway; First line slideway 12 is set to be fixed on the biserial slide rail on the base 1B, and the slide that cooperates with slide rail is fixed on workbench 1A bottom surface, and slide rail and slide formation through first line slideway 12 between workbench 1A and the base 1B are slidingly matched.

Like this can travelling table 1A, change the position of workbench 1A and horizontal unit head 11, vertical driving force head 10, under the situation of the position of not changing workpiece 7, the different parts of workpiece 7 is processed, improve process velocity.Described base 1B is provided with the workpiece detent mechanism that is used with workbench 1A, can easily workpiece 7 be moved and locate; And base 1B is provided with and drives first driving mechanism that workbench 1A slides, so that the slip of traction workbench 1A.

First driving mechanism comprises first ball-screw 8 that the traction workbench 1A that is arranged between workbench 1A and the base 1B moves; First ball-screw 8 is between the biserial slide rail of first line slideway 12 and parallel with the length direction of first line slideway 12; Be fixed in workbench 1A bottom surface with first ball-screw, 8 nut engaged; One end of first ball-screw 8 is provided with first stepper motor 13 as power, and first stepper motor 13 is fixed on the base 1B; Start 8 operations of first stepper motor, 13, the first stepper motors, 13 drives, first ball-screw and on base 1B, make linear slide along first line slideway 12 to drive workbench 1A.

First ball-screw 8 and first stepper motor 13 travelling table 1A more easily is set, alleviate labor intensity of operating personnel, first stepper motor 13 can also be electrically connected with full digital numerical control system 20, realizes the sequencing control of equipment.As preferred implementation, workpiece detent mechanism of the present invention comprises door frame 3, and two root posts 31 of door frame 3 are fixed on the base 1B, and separate from workbench 1A both sides, and the length direction that is installed in the crossbeam 32 on the column 31 is perpendicular to the worker

Make the direction of motion of platform 1A; Crossbeam 32 is provided with the saddle 4 that moves along the length direction of crossbeam 32 and drives second driving mechanism that the length direction of saddle 4 along crossbeam 32 moves; Saddle 4 is provided with the upper slide rest 5 of motion vertically and drives the 3rd driving mechanism that upper slide rest 5 vertically moves; The plate face of large and small planker is parallel to each other and is parallel to the length direction of crossbeam 32; Just perpendicular to the direction of motion of workbench 1A, and the plate face of large and small planker is towards workbench 1A

With

unit head

21,22, the plate face of upper slide rest 5 is provided with the anchor clamps 6 of fixation workpiece 7; High accurate hole during work is a part multiaspect processing numerical control device; It is the isosceles triangle on summit with horizontal unit head 11 that the plane projection of its unit head 21, unit head 22, horizontal unit head 11 constitutes one; The projection of vertical driving force head 10 and anchor clamps drops on the base mid point of above-mentioned isosceles triangle; Workpiece 7 on the anchor clamps 6 is positioned at sustained height, the vertical driving force head with unit head 21, unit head 22, horizontal unit head 11

10 are positioned under the workpiece 7 times.Such workpiece detent mechanism can carry out the workpiece 7 that is fixed on the anchor clamps 6 laterally or vertical moving, and workpiece 7 different parts is moved to the pairing position of machining spindle process; And; Saddle 4 is along the horizontal movement of second line slideway 14; Upper slide rest 5 is along the vertical motion of the 3rd line slideway 17; Cooperating platform 1A has constituted three-dimensional cartesian coordinate system along the lengthwise movement of first line slideway 12 perpendicular to large and small planker plane, can realize more change in location and location combination; The further machinable scope of expansion equipment.

Second driving mechanism specifically is exactly: be provided with second line slideway 14 between saddle 4 and the crossbeam 32; The biserial slide rail of second line slideway 14 is fixed on the crossbeam 32; The slide that cooperates with the biserial slide rail is fixed on the saddle 4; Constitute between saddle 4 and the crossbeam 32 and be slidingly matched, saddle 4 can be done the linear slide of the length direction that is parallel to crossbeam 32 at extraneous tractive force effect lower edge slide rail on crossbeam 32; At crossbeam 32 second ball screw 15 of traction saddle 4 motions is set towards the side of saddle 4, is fixed in saddle 4 towards crossbeam 32 with second ball screw, 15 nut engaged

On the plate face, second ball screw 15 is parallel to the length direction of second line slideway 14 and between two row slide rails, an end of second ball screw 15 is provided with second stepper motor 16 as power, and second stepper motor 16 is fixed on crossbeam 32 1 ends; Start 15 operations of second stepper motor, 16, the second stepper motors, 16 drives, second ball screw and on crossbeam 32, make linear slide along second line slideway 14 to drive saddle 4.The 3rd driving mechanism comprises the 3rd line slideway 17 is set between upper slide rest 5 and the saddle 4; The biserial slide rail of the 3rd line slideway 17 is fixed on the saddle 4; The slide that cooperates with the biserial slide rail is fixed on the upper slide rest 5; Upper slide rest 5 constitutes through the 3rd line slideway 17 with saddle 4 and is slidingly matched, upper slide rest 5 can be in extraneous tractive force effect lower edge the slide rail of the 3rd line slideway 17 on saddle 4, make linear slide vertically; In order to move upper slide rest more easily; Saddle 4 is provided with the 3rd ball screw 18 that traction upper slide rest 5 moves on the plate face of upper slide rest 5; Be fixed in upper slide rest 5 on the plate face of saddle 4 with the 3rd ball screw 18 nut engaged; The 3rd ball screw 18 is parallel to the length direction of the 3rd line slideway 17 and between two row slide rails, this screw mandrel one end is provided with the 3rd stepper motor 19 as power, and the 3rd stepper motor 19 is fixed on the saddle 4; Start 18 operations of the 3rd stepper motor 19, the three stepper motors 19 drives the 3rd ball screw and on saddle 4, make linear slide along the 3rd line slideway 17 to drive upper slide rest 5.

The cutter interface of the machining spindle on the above-mentioned unit head all is set to removably connect; The replacing of convenient different cutters; Satisfy the needs that different cutters carry out different operating are installed, like this, can on machining spindle, assemble a plurality of different cutters simultaneously; Reduce the number of times and the time of tool changing in same workpiece 7 process, improve working (machining) efficiency.Motor on the described unit head all is electrically connected with full digital numerical control system 20, and

stepper motor

13,16,19 also is electrically connected with digital control system 20; Pass through the setting program of full digital numerical control system 20 like this; Just can realize the unit head rotating speed of motor is realized sequencing control, and realize to the moving of workpiece 7, location with to the moving of workbench 1A, finder control through

control step motor

13,16,19; Not only raise the efficiency, and the minimizing personnel process, the unstability and the error of location, improve machining accuracy than manual operation.

Shown in Figure 1ly be optimization embodiment of the present invention; Below in conjunction with Fig. 1; With processing regular hexahedron hole is that part is that example is described in detail process: at first; Workpiece 7 is fixed on the anchor clamps 6 then full digital numerical control system 20

control step motors

13,16,19 rotates to drive ball screw and drive workbench 1A, saddle 4, upper slide rest 5 and move along slide rails separately, the position that workpiece 7 will be processed is aimed at the machining spindle of maximum numbers simultaneously, and the position of locking workpiece 7; Cutter on the unit head machining spindle can be processed in the hole to workpiece 7 different facial under the control of full digital numerical control system 20; After above-mentioned the machining, 13,16,19 pairs of workpiece 7 of full digital numerical control system 20 control step motors and workbench 1A reorientate, location continued processing; Treat to unload the workpiece 7 on the lower clamp 6 after workpiece 7 the machining on above-mentioned several; With workpiece 7 unprocessed two sides change to horizontal unit head 11 and vertical driving force head 10 right position, the hole of proceeding to process on 7 six faces of workpiece with said method all machines.

Should be understood that, concerning those of ordinary skills, can improve or conversion, and all these improvement and conversion all should belong to the protection domain of accompanying claims of the present invention according to above-mentioned explanation.

Claims

1. high precision numerical control equipment is characterized in that: comprise frame, and full digital numerical control system, described frame is provided with the unit head assembly, and described unit head assembly comprises at least two machining spindles that are used to process same workpiece; Said machining spindle is electrically connected with full digital numerical control system; It comprises transceiver, code device signal input interface, current signal interface, power drive interface and PLD said full digital numerical control system; Serial communication port is connected with the usb communication serial line interface of PLD through transceiver; The signal output part of code device signal input interface is connected with the code device signal input of PLD; The current signal output end of current signal interface is connected with the current signal input of PLD, and the power drive signal output part of said PLD and the signal input part of power drive interface are connected.

2. numerical control device according to claim 1; It is characterized in that: described frame comprises workbench; Described workbench is provided with horizontal unit head and the vertical driving force head of workpiece being processed simultaneously from orthogonal direction, and the machining spindle of vertical driving force head is arranged straight up.

3. numerical control device according to claim 2; It is characterized in that: described frame comprises base; Described workbench is arranged on the base, and the base of described vertical driving force head both sides is provided with one group of unit head processing in the face of workpiece from two opposite sides.

4. numerical control device according to claim 3; It is characterized in that: be installed with first line slideway on the described base; The axis direction of horizontal unit head is consistent with the length direction of first line slideway, is slidingly matched through first line slideway formation between workbench and the base.

5. numerical control device according to claim 4 is characterized in that: described base is provided with workpiece detent mechanism that is used with workbench and first driving mechanism that drives first line slideway slip of workbench edge.

6. numerical control device according to claim 5; It is characterized in that: described first driving mechanism comprises first stepper motor that is installed on the base; The plate face towards workbench of base is provided with first ball-screw; First ball-screw constitutes the feed screw nut with nut on being installed in workbench and cooperates, and the operation of first step motor drive, first ball-screw is to drive workbench along the slip of first line slideway.