CN201371256Y

CN201371256Y - Drill for printed circuit boards

Info

Publication number: CN201371256Y
Application number: CN200920136483U
Authority: CN
Inventors: 刘慧航
Original assignee: Mayer Cnc Science & Technology Co Ltd
Current assignee: Mayer Cnc Science & Technology Co Ltd
Priority date: 2009-01-19
Filing date: 2009-01-19
Publication date: 2009-12-30
Anticipated expiration: 2019-01-19

Abstract

A drill for printed circuit boards comprises a base, a gantry type structure, an X-axis mechanism, a Y-axis mechanism, a plurality of Z-axis mechanisms and a worktable, wherein the gantry type structure supported on the base consists of vertical posts and a crossbeam, the X-axis mechanism arranged on the crossbeam extends along the length direction of the crossbeam, the Y-axis mechanism is horizontally arranged on the base below the crossbeam along the direction perpendicular to the length direction of the crossbeam, the Z-axis mechanisms are arranged on the X-axis mechanism in equal pitch along the length direction of the crossbeam, and the worktable driven by the Y-axis mechanism can horizontally move along the direction perpendicular to the length direction of the crossbeam. Both the X-axis mechanism and the Y-axis mechanism utilize linear motor driving structures, thereby simplifying the overall structure of the driving mechanism. The drill has the advantages of fast processing speed, low abrasion loss, low failure rate, high precision and low energy consumption.

Description

A kind of printed circuit board drilling machine

Technical field

The utility model relates to printed circuit board (PCB) and makes instrument field, is specially a kind of printed circuit board drilling machine.

Background technology

The printed circuit board (PCB) manufacturing industry is when beginning to rise, the printed circuit board drilling machine has just been arranged, first procedure that boring is made as printed circuit board (PCB), this technology has been passed through a very long growth course, birth from hand drill to computer numerical controlled drilling machine, high-speed electronic calculator digital control hole drilling from the computer numerical controlled drilling machine of the low speed that wastes energy to energy savings, current, the printed circuit board drilling machine that Germany Schmoll Maschinen GmbH is produced is the outstanding person of high-speed electronic calculator digital control drilling machine, China is now main also at the computer numerical controlled drilling machine of middling speed of production driven by servomotor screw mandrel, be six drilling machines of 03247614.0 PCB that provides as the patent No., because the limit that servomotor and screw mandrel combination drive, this drilling machine process velocity is slow, wearing and tearing easily, the fault rate height, shortcomings such as the serious and consumes energy of noise pollution is big are badly in need of update.

Summary of the invention

The utility model is at the deficiencies in the prior art, and the printed circuit board drilling that a kind of process velocity is fast, wear extent is little, fault rate is low, precision is high and energy resource consumption is little machine is provided.

For this reason, a kind of printed circuit board drilling machine that the utility model provides comprises base; The planer type structure that is supported on the base, forms by column and crossbeam; Be arranged on the crossbeam and along X-axis mechanism that the crossbeam length direction extends; Along vertical crossbeam length direction, be horizontally placed on the Y-axis mechanism on the base of crossbeam below; Be arranged at a plurality of Z axis mechanisms in the X-axis mechanism along pitches such as crossbeam length directions; By the workbench that Y-axis mechanism drives, can move horizontally along vertical crossbeam length direction, it is characterized in that: X-axis mechanism comprises two X-axis guide rails that are arranged at the crossbeam side and extend along the crossbeam length direction; Two X-axis slide plates that are actively set in respectively on two X-axis guide rails and extend along the rail length direction; Stride and be located at two linear electric motors bracing frames on the X-axis slide plate; Be arranged between linear electric motors bracing frame and the crossbeam, be used to drive the linear electric motors that the X-axis slide plate moves along the X-axis guide rail; Described linear electric motors are included between two X-axis guide rails and the parallel linear motor stator electric that is fixedly arranged on the crossbeam with the X-axis guide rail, are relatively arranged on linear motor rotor on the linear electric motors bracing frame with linear motor stator electric.

Described Z axis mechanism vertically is installed on the X-axis slide plate.

Described Y-axis mechanism comprises along vertical crossbeam length direction, is horizontally placed on two Y-axis guide rails on the base of crossbeam below; Stride by the slide block activity and to be located at two linear electric motors bracing frames on the Y-axis guide rail; Be arranged between linear electric motors bracing frame and the base, be used to drive the linear electric motors that the linear electric motors bracing frame moves along the Y-axis guide rail; Described linear electric motors, be included between two Y-axis guide rails and the parallel linear motor stator electric that is fixedly arranged on the base with the Y-axis guide rail, be relatively arranged on linear motor rotor on the linear electric motors bracing frame with linear motor stator electric, described workbench is supported on the linear electric motors bracing frame by the metal structure frame.

Described metal structure frame bottom is symmetry axis, is symmetrical arranged a plurality of air supporting pads that are useful on supporting and balance metal structure frame with Y-axis mechanism.

The utlity model has following beneficial effect:

The utility model is on the basis of original numerical control printed circuit board drilling machine, its X-axis mechanism and Y-axis mechanism are improved, adopt alternative original servomotor of linear electric motors driving and feed screw nut to make up driving, improved the transmission system of printed circuit board drilling machine greatly, has following advantage: first, the structure of system itself is greatly simplified, and weight and volume descends widely; The second, adopt microcomputer control, can improve the positioning accuracy of whole system widely; The 3rd, that linear electric motors have been eliminated is fixed, the contact friction resistance between mover, thereby the sensitivity, rapidity and the servo-actuated that have improved system widely; The 4th, linear electric motors can be realized non contact transmission power, and the mechanical friction loss is almost nil, so fault is few, freedom from repairs, thus safe and reliable, the life-span is long.

Description of drawings

Below in conjunction with accompanying drawing the utility model is described in further detail.

Fig. 1 is a front view of the present utility model.

Fig. 2 is a side view of the present utility model.

Fig. 3 is the A part enlarged drawing of Fig. 1.

Fig. 4 is the structure chart of the utility model X-axis mechanism.

The specific embodiment

With reference to Fig. 1, Fig. 2 and Fig. 3.The printed circuit board drilling machine comprises base 3; The planer type structure that is supported on the base 3, forms by column 2 and crossbeam 1; Be arranged on the crossbeam 1 and along X-axis mechanism that crossbeam 1 length direction extends; Along vertical crossbeam 1 length direction, be horizontally placed on the Y-axis mechanism on the crossbeam 1 below base 3; Be arranged at a plurality of Z axis mechanisms in the X-axis mechanism along pitches such as crossbeam 1 length directions; The workbench 4 that drives, can move horizontally along vertical crossbeam 1 length direction by Y-axis mechanism; Be connected and control the control system of its action with X, Y, Z axis mechanism; Be equipped with X, Y-axis mechanism, be used for to control system transmission positional information, to revise the electronic ruler 106 of coordinate position deviation; The tool magazine 7, automatic tool changer 7 and the breaking checkout gear that are equipped with the Z axis mechanism; Wherein, the Z axis mechanism, comprise and be used to the Z shaft holder 305 installing and fix, the Z axis rail that is arranged on the Z shaft holder 305, vertically extends, activity is matched with the Z axle slide block on the Z axis rail, is used to drive the screw mandrel 303 that Z axle slide block moves along the Z axis rail, connects the servomotor 301 that drives screw mandrel 303 by shaft coupling 302, be fixedly set in the mainshaft mechanism on the Z axle slide block, described mainshaft mechanism comprises spindle motor 304 gentle dynamic pressure pin assemblies 306.Be the primary structure of known printed circuit board drilling machine more than, here give unnecessary details no longer one by one, improvement part of the present utility model is done detailed explanation below in conjunction with accompanying drawing:

X-axis mechanism comprises two X-axis guide rails 104 that are arranged at crossbeam 1 side and extend along crossbeam 1 length direction; Two X-axis slide plates 105 that are actively set in respectively on two X-axis guide rails 104 and extend along the rail length direction; Stride and be located at two linear electric motors bracing frames 103 on the X-axis slide plate 105; Be arranged between linear electric motors bracing frame 103 and the crossbeam 1, be used to drive the linear electric motors that X-axis slide plate 105 moves along X-axis guide rail 104; Described linear electric motors, be included between two X-axis guide rails 104 and with the X-axis guide rail 104 parallel linear motor stator electrics 102 that are fixedly arranged on the crossbeam 1, be relatively arranged on linear motor rotor 101 on the linear electric motors bracing frame 103 with linear motor stator electric 102, described Z axis mechanism vertically is installed on the X-axis slide plate 105 by Z shaft holder 305.

Y-axis mechanism comprises along vertical crossbeam 1 length direction, is horizontally placed on two Y-axis guide rails 205 on the crossbeam 1 below base 3; Stride by slide block 204 activities and to be located at two linear electric motors bracing frames 203 on the Y-axis guide rail 205; Be arranged between linear electric motors bracing frame 203 and the base 3, be used to drive the linear electric motors that linear electric motors bracing frame 203 moves along Y-axis guide rail 205; Described linear electric motors, be included between two Y-axis guide rails 205 and with the Y-axis guide rail 205 parallel linear motor stator electrics 201 that are fixedly arranged on the base 3, be relatively arranged on linear motor rotor 202 on the linear electric motors bracing frame 203 with linear motor stator electric 201, described workbench 4 is supported on the linear electric motors bracing frame 203 by metal structure frame 5, and metal structure frame 203 bottoms are symmetry axis, are symmetrical arranged and are useful on supporting and a plurality of air supporting pads 6 of balance metal structure frame 03 with Y-axis mechanism.

The linear electric motors of described X, Y-axis mechanism all are equipped with water-cooling system and are used for the CAS of safeguard protection.

The above, it only is the utility model preferred embodiment, so can not limit the scope that the utility model is implemented with this, i.e. the equivalence of doing according to the utility model claim and description changes and modifies, and all should still belong in the scope that the utility model patent contains.

Claims

1, a kind of printed circuit board drilling machine comprises base; The planer type structure that is supported on the base, forms by column and crossbeam; Be arranged on the crossbeam and along X-axis mechanism that the crossbeam length direction extends; Along vertical crossbeam length direction, be horizontally placed on the Y-axis mechanism on the base of crossbeam below; Be arranged at a plurality of Z axis mechanisms in the X-axis mechanism along pitches such as crossbeam length directions; By the workbench that Y-axis mechanism drives, can move horizontally along vertical crossbeam length direction, it is characterized in that: X-axis mechanism comprises two X-axis guide rails that are arranged at the crossbeam side and extend along the crossbeam length direction; Two X-axis slide plates that are actively set in respectively on two X-axis guide rails and extend along the rail length direction; Stride and be located at two linear electric motors bracing frames on the X-axis slide plate; Be arranged between linear electric motors bracing frame and the crossbeam, be used to drive the linear electric motors that the X-axis slide plate moves along the X-axis guide rail; Described linear electric motors are included between two X-axis guide rails and the parallel linear motor stator electric that is fixedly arranged on the crossbeam with the X-axis guide rail, are relatively arranged on linear motor rotor on the linear electric motors bracing frame with linear motor stator electric.

2, a kind of printed circuit board drilling machine according to claim 2, it is characterized in that: described Z axis mechanism vertically is installed on the X-axis slide plate.

3, a kind of printed circuit board drilling machine according to claim 1 is characterized in that: described Y-axis mechanism comprises along vertical crossbeam length direction, is horizontally placed on two Y-axis guide rails on the base of crossbeam below; Stride by the slide block activity and to be located at two linear electric motors bracing frames on the Y-axis guide rail; Be arranged between linear electric motors bracing frame and the base, be used to drive the linear electric motors that the linear electric motors bracing frame moves along the Y-axis guide rail; Described linear electric motors, be included between two Y-axis guide rails and the parallel linear motor stator electric that is fixedly arranged on the base with the Y-axis guide rail, be relatively arranged on linear motor rotor on the linear electric motors bracing frame with linear motor stator electric, described workbench is supported on the linear electric motors bracing frame by the metal structure frame.

4, a kind of printed circuit board drilling machine according to claim 3 is characterized in that: described metal structure frame bottom is symmetry axis, is symmetrical arranged a plurality of air supporting pads that are useful on supporting and balance metal structure frame with Y-axis mechanism.