CN2908028Y

CN2908028Y - Sharpener special for milling cutter

Info

Publication number: CN2908028Y
Application number: CN 200620103873
Authority: CN
Inventors: 吴鋆
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-05-18
Filing date: 2006-05-18
Publication date: 2007-06-06
Anticipated expiration: 2016-05-18

Abstract

The utility model relates to a special grinder of milling cutter blade belonging to the technological field of a milling lathe, which aims to invent a special grinder with a simply structure, a small volume and a low production cost. The new grinder comprises a worktable (2), a numerical control line and device (3),a workpiece table (4), a grinding wheel (5) and a grinding wheel rack (7). The grinding wheel rack (7) is installed on a moveable draw plate (8), the moveable draw plate (8) is driven by a step motor (10). The workpiece table (4) is installed on a moveable drawplate (11). The workpiece table (4) is provided with a bearing (13) or a bearing pad (14). A mandrel (16) of a milling cutter (15) which is an installation workpiece is provided on the bearing (13) or bearing pad (14). A step motor (17) is installed on the moveable drawplate (11). A shaft (18) of the step motor (17) is connected with the mandrel (16) directly. A adjuster (19) is provided on the worktable (2) as well. The utility model cancels a reduction gearbox, a gearwheel transmission element and a worm wheel worm gear pair, which simplifies the structure completely.

Description

Special milling cutter edge grinding machine

Technical field

The utility model belongs to the grinding machine technical field, is specifically related to a kind of special milling cutter edge grinding machine.

Background technology

The lockmaking industry is processed key billet with milling cutter, and the batch of processing is big, and the blade of milling cutter is easily blunt, so the milling cutter sword needs frequent grinding.And also do not have the cutter and tool grinding machine of lockmaking industry special use in the prior art, so all adopt universal cutter grinder grinding milling cutter sword.And its complex structure of universal cutter grinder, calibration adopts worm couple; Gear, worm and gear are adopted in transmission; Cam etc. is adopted in control, so its cost height.All nearly 100,000 yuan of the universal cutter grinder of general precision, price; And Heavy Weight, volume is big, is the MA6025 universal cutter grinder as model, and its weight reaches 1.1 tons, its volume: long: 1340 millimeters; Wide: 1224 millimeters; High: 1320 millimeters.The cutter and tool grinding machine that also has, as a kind of " the numerical control hob sharpening machine " of " mechanical processing technique handbook " the 294th page of description of Yang Shuzi chief editor, gear reduction box has been got rid of in the feeding of its grinding carriage; Workbench speed mechanism has got rid of planetary gear speed reducing mechanism, adopts servomotor directly to drive; But the dividing movement of grinding milling cutter sword still drives a pair of worm couple by servomotor and realizes; And the worm couple cost that the calibration requirement arranged is than higher.So existing cutter and tool grinding machine, producer's configuration difficulty of general lockmaking industry.

Summary of the invention

The purpose of this utility model is that a kind of special milling cutter edge grinding machine will be provided, make it can satisfy the requirement of lockmaking industry grinding milling cutter sword machining accuracy, can design a kind of simple in structure at the reality of the single milling cutter sword of grinding again, volume is little, the specific purpose tool grinding machine that cost is low.

Above-mentioned goal of the invention is achieved through the following technical solutions, a kind of special-purpose milling cutter sword cutter and tool grinding machine, and it comprises frame, workbench, numerical control circuit and device, work stage, emery wheel, motor, grinding carriage; Grinding carriage is installed in and can makes emery wheel at the workbench left and right directions, be that X-direction moves on the movable carriage of the depth of cut, movable carriage is installed on the guide rail, movable carriage by the dress thereon with guide rail on screw pair directly drive by stepper motor or servomotor; Work stage is installed in the workbench fore-and-aft direction, be on the mobile movable carriage of Y direction, movable carriage is installed on the guide rail, guide rail is installed on the workbench, its main points are to be equipped with on the work stage bearing or bearing shell, and a mandrel that workpiece is installed is contained on bearing or the bearing shell, and a stepper motor or servomotor are installed on the movable carriage, the axle of stepper motor or servomotor directly is connected with mandrel, and axle, mandrel, workpiece rotate synchronously; The adjusting device that can regulate movable carriage in X-direction is housed on the workbench; Motor, stepper motor or servomotor are connected with numerical control circuit and device;

Above-mentioned special milling cutter edge grinding machine, one of its structure are that adjusting device is the adjusting guide rail to be housed on workbench and to regulate screw mandrel, regulate on the guide rail adjusting planker is housed, and the nut of regulating on the planker is meshed with the adjusting screw mandrel; Regulate on the planker trimming bolt is housed, trimming bolt is connected with movable carriage.

The special-purpose milling cutter sword cutter and tool grinding machine of said structure, its grinding program is as follows:

At first setting machined parameters and program on numerical control circuit and device, is that milling cutter is installed on the work stage with the workpiece of need grinding.At first the anterior angle of grinding mill teeth blade is regulated screw mandrel with the hand adjustment joint, regulates trimming bolt then, the anterior angle of the blade of the milling cutter on the mandrel is contacted with emery wheel, start numerical control circuit and device, the stepper motor or the servomotor that then drive grinding carriage make the emery wheel autofeed, the work of driven by motor emery wheel; The anterior angle of the blade of the intact milling cutter tooth of grinding, the emery wheel automatic withdrawal, the milling cutter that stepper motor or servomotor drive on the mandrel carries out the automatic indexing rotation, then, emery wheel is autofeed again, carry out the grinding of anterior angle of the blade of second milling cutter tooth, finish until the anterior angle grinding of the blade of all milling cutter teeth; The relief angle of the blade of grinding milling cutter tooth then, then regulate screw mandrel and trimming bolt, the relief angle of the blade of the milling cutter tooth on the mandrel is contacted with emery wheel, start numerical control circuit and device from new adjusting, the stepper motor or the servomotor that then drive grinding carriage make the emery wheel autofeed, the work of driven by motor emery wheel; The relief angle of the blade of the intact milling cutter tooth of grinding; the emery wheel automatic withdrawal; the milling cutter that stepper motor or servomotor drive on the mandrel carries out the automatic indexing rotation; then; emery wheel is autofeed again; carry out the grinding of relief angle of the blade of second milling cutter tooth, finish the grinding machine autostop until the relief angle grinding of the blade of all milling cutter teeth.

From said structure and grinding program as can be seen, the utility model has fully phased out reduction box, gear drive, worm couple, adopt stepper motor or servomotor directly to drive and calibration, move at planker and regulate fewer structure place, adopt with the hand adjustment joint and regulate screw mandrel, trimming bolt structure, so that the structure of cutter and tool grinding machine has obtained thorough simplification, weight, volume are descended significantly.

Description of drawings

Fig. 1: the front view of the utility model structural representation

Fig. 2: vertical view

Fig. 3: left view

Fig. 4: A-A cutaway view

Fig. 5: B-B cutaway view

Fig. 6: Fig. 1 loads onto the schematic diagram of emery wheel diamond correction frame and car light

Among Fig. 1-6: 1-frame, 2-workbench, 3-numerical control circuit and device, 4-work stage, the 5-emery wheel, 6-motor, 7-grinding carriage, 8-movable carriage, the 9-guide rail, 10-stepper motor, 11-movable carriage, 12-guide rail, 13,14-bearing, the 15-workpiece is a milling cutter, 16-mandrel, 17-stepper motor, the 18-axle, 19-regulating device 20-regulates guide rail, and 21-regulates screw mandrel, and 22-regulates planker, the 23-trimming bolt, 24-emery wheel diamond correction frame, 25-car light

The specific embodiment

By Fig. 1-6 represented be an embodiment of the present utility model, it comprises frame 1, workbench 2, numerical control circuit and install 3, work stage 4, emery wheel 5, motor 6, grinding carriage 7, grinding carriage 7 is installed in and can makes emery wheel 5 at workbench 2 left and right directions, be that X-direction moves forward on the movable carriage 8 to the cutter amount, movable carriage 8 is installed on the guide rail 9, movable carriage 8 by dress thereon with guide rail 9 on leading screw, pair of nut directly drive by stepper motor 10; Work stage 4 is installed in workbench 2 fore-and-aft directions, and promptly on the mobile movable carriage 11 of Y direction, movable carriage 11 is installed on the guide rail 12, and guide rail 12 is installed on the workbench 2; Work stage 4 is equipped with bearing 13,14, one installation workpiece is that the mandrel 16 of milling cutter 15 is contained on the

bearing

13,14, one stepper motor 17 is installed on the movable carriage 11, and the axle 18 of stepper motor 17 directly is connected with mandrel 16, and axle 18, mandrel 16, milling cutter 15 rotate calibration synchronously; Be equipped with on the workbench 2 in the adjusting device 19 that can regulate movable carriage 11 in Y direction; Adjusting device 19 is to be equipped with to regulate guide rail 20 and regulate screw mandrel 21 on workbench 2, regulates to be equipped with on the guide rail 20 and regulates planker 22, and the nut of regulating on the planker 22 is meshed with adjusting screw mandrel 21; Regulate on the planker 22 trimming bolt 23 is housed, trimming bolt 23 is connected with movable carriage 11; Motor 6,

stepper motor

10,17 are with the numerical control circuit and install 3 and be connected; Emery wheel diamond correction frame 24, car light 25 is contained on the working bank 2.

The operation of present embodiment and grinding and preface are as follows:

At first at the numerical control circuit and install and set machined parameters and program on 3, be that milling cutter 15 is installed on the mandrel 16 of work stage 4 with the workpiece of need grinding.The anterior angle of the blade of grinding milling cutter 15 teeth at first, regulate screw mandrel 21 by hand, regulate trimming bolt 23 then, the anterior angle of the blade of milling cutter 15 teeth on the mandrel 16 is contacted with emery wheel 5, start the numerical control circuit and install 3, the stepper motor 10 that then drives grinding carriage 8 makes emery wheel 5 autofeeds, and motor 6 drives emery wheel 5 work; The anterior angle of the blade of intact milling cutter 15 teeth of grinding, emery wheel 5 automatic withdrawals, the milling cutter 15 that stepper motor 17 drives on the mandrel 16 carries out the automatic indexing rotation, then, emery wheel 5 is autofeed again, carry out the grinding of anterior angle of the blade of second milling cutter 15 tooth, finish until the anterior angle grinding of the blade of milling cutter 15 all teeth.The relief angle of the blade of grinding milling cutter 15 teeth then, regulate screw mandrel 21 and trimming bolt 23 from new adjusting, the relief angle of the blade of milling cutter 15 teeth on the mandrel 16 is contacted with emery wheel 5, start the numerical control circuit and install 3, the stepper motor 10 that then drives grinding carriage 8 makes emery wheel 5 autofeeds, and motor 6 drives emery wheel 5 work; The relief angle of the blade of intact milling cutter 15 teeth of grinding, emery wheel 5 automatic withdrawals, stepper motor 17 automatic indexings rotation; then, emery wheel 5 is autofeed again, carries out the grinding of relief angle of the blade of second milling cutter 15 tooth; relief angle grinding until the blade of milling cutter 15 all teeth finishes the grinding machine autostop.

From the utility model the foregoing description structure and grinding program as can be seen, because it directly drives grinding carriage 7 by stepper motor 10; Directly drive stamen axle 16 by stepper motor 17; At the numerical control circuit and install under 3 the control, realize the autofeed of emery wheel 5, automatic withdrawal; The automatic indexing of milling cutter 15 rotation on the stamen axle 16; Fully phased out reduction box, gear drive, worm couple.Between movable carriage 11 and guide rail 12, because in the grinding, their mobile adjusting is fewer, thus adopt adjusting device 19 with the hand adjustment joint, thus gear drive is further omitted.Therefore the present invention is simple in structure, and volume is little, and is in light weight.Its volume, height only are 700 millimeters; Long, promptly X-direction is 450 millimeters; Wide is that Y direction is 500 millimeters; Weight only is 75 kilograms.Because its manufacturing cost of above-mentioned reason is also low especially, price only is 1/10th of a MA6025 universal cutter grinder, so it is particularly suitable for equipping the enterprise of lockmaking industry.

Claims

1. special milling cutter edge grinding machine, it comprises frame (1), workbench (2), numerical control circuit and device (3), work stage (4), emery wheel (5), motor (6), grinding carriage (7); Grinding carriage (7) is installed in and can makes emery wheel (5) at workbench (2) left and right directions, be X-direction move the depth of cut movable carriage (8) on, movable carriage (8) is installed on the guide rail (9), and movable carriage (8) passes through to adorn thereon and the screw pair on the guide rail (9) is directly driven by stepper motor or servomotor (10); Work stage (4) is installed in workbench (2) fore-and-aft direction, be on the mobile movable carriage of Y direction (11), movable carriage (11) is installed on the guide rail (12), guide rail (12) is installed on the workbench (2), it is characterized in that being equipped with on the work stage (4) bearing or bearing shell (13) (14), one mandrel (16) that workpiece (15) is installed is contained on bearing or the bearing shell (13) (14), one stepper motor or servomotor (17) are installed on the movable carriage (11), the axle (18) of stepper motor or servomotor (17) directly is connected with mandrel (16), axle (18), mandrel (16), workpiece (15) is rotation synchronously; Be equipped with on the workbench (2) in the adjusting device (19) that can regulate movable carriage (11) in Y direction; Motor (6), stepper motor or servomotor (10) (17) link with numerical control circuit and device (3).

2. special milling cutter edge grinding machine according to claim 1, it is characterized in that adjusting device (19) is to be equipped with to regulate guide rail (20) and regulate screw mandrel (21) on workbench (2), regulate to be equipped with on the guide rail (20) and regulate planker (22), the nut of regulating on the planker (22) is meshed with adjusting screw mandrel (21); Regulate on the planker (22) trimming bolt (23) is housed, trimming bolt (23) is connected with movable carriage (11).