CN2875665Y - Digital controlled teeth broaching machine - Google Patents
Digital controlled teeth broaching machine Download PDFInfo
- Publication number
- CN2875665Y CN2875665Y CN 200620102578 CN200620102578U CN2875665Y CN 2875665 Y CN2875665 Y CN 2875665Y CN 200620102578 CN200620102578 CN 200620102578 CN 200620102578 U CN200620102578 U CN 200620102578U CN 2875665 Y CN2875665 Y CN 2875665Y
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- CN
- China
- Prior art keywords
- cutterhead
- numerical control
- control gear
- machine according
- broach machine
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model relates to an arc tooth processing machine tool, in particular to a numerical teeth machine improved from a normal milling machine, which includes a lathe bed, an upright, a mainshaft box and a transmission arranged in the upright, a workbench on the guideway of the lathe bed and a cutter head; an inertia disc is added on the butter head; the planes of the cutter head, the inertia disc and the surface of the workpiece are parallel one another. The utility model has the advantages of sound structure and fully numerical control operation and so on, especially stable rotation of the cutter head and the high processing precision.
Description
Technical field
The utility model relates to a kind of curved tooth machining tool, especially relates to a kind of plain-milling machine and improves the numerical control gear-broach machine that forms.
Background technology
At present, the enterprise of domestic energy production numerical control gear-broach machine is few, fertile enterprise also copied the numerical control gear-broach machine of outer import mostly, the numerical control gear-broach machine of import costs an arm and a leg, and homemade numerical control gear-broach machine price is also higher, and there is such-and-such shortcoming, cost performance is not high, because cutting force is big, caused the processing stability of cutterhead not high, caused the reduction of precision, a kind of lathe milling cutterhead by name (patent No. CN01238525.5) directly is fixed on cutterhead on the main shaft, this installation method is easy and popular, energy loss is little in the main shaft drive cutterhead rotation process, but in cutting process, because the shake that main shaft produces in high speed rotating has driven the shake of cutterhead, thereby reduced the precision of processing, required precision is not being reached processing request in the relative high product production.
Summary of the invention
The utility model mainly is easily to shake at the existing in prior technology cutterhead, and the technical problem that machining accuracy is not high provides a kind of rational in infrastructure, the cutterhead slow-roll stabilization, and what machining accuracy was high is improved and next numerical control gear-broach machine by milling machine.
The utility model provides being improved and next numerical control gear-broach machine by milling machine of a kind of total control operation simultaneously also at the technical problem of the big grade of the existing in prior technology manually-operated error of division.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: set up inertia disk on cutterhead, cutterhead plane, inertia disk plane and surface of the work are parallel to each other.Inertia disk has increased the inertia of cutterhead, thereby makes cutterhead increase stability in rotation, improves precision in cutting process; Inertia disk plane and cutterhead plane parallel increase inertia and stability in rotation.
As preferably, the guide rail of lathe bed is provided with workpiece box, and workpiece box links to each other with the numerical control case, and guide rail is vertical with the cutterhead plane.Workpiece box can move in guide rail upper edge guide rail direction, and the processing distance of control workpiece and cutter also can adapt to different big or small workpiece.
As preferably, be provided with mechanical mobile device and tumbler in the workpiece box, the control power supply links to each other with the numerical control case.Workpiece box is controlled by the numerical control case, and tumbler can be realized the calibration adjusting of numerical control operating, and mobile device is realized the horizontal range adjusting of numerical control operating.
As preferably, cutterhead is made up of cutter tooth, cutter hub, support ring and tight cutter screw, and cutter tooth is surperficial mutual vertical with cutter hub.Stud with cutter tooth on around the cutterhead, the convenient processing in the vertical cutterhead of cutter tooth surface, tight cutter screw prevents that cutter tooth is stressed and can not slide, guarantees the plumbness on cutter tooth and cutterhead surface.
As preferably, the quantity n of cutter tooth and the angle α between cutter tooth have following relation: α=360 °/n, are provided with pad between cutter tooth and cutter hub, and the cutter tooth tail end is provided with support ring.According to processing request, the quantity of cutter tooth can be selected to be evenly distributed on the circumference of cutterhead,, pad is set between cutter hub and cutter tooth prevents between the two wearing and tearing, support ring then bears the cutting pressure perpendicular to the cutterhead surface.
As preferably, the cutterhead positioning body becomes step-like, and its end step is tapered outstanding, and the center of cutterhead is provided with taper hole, and the tapering of taper hole is consistent with the tapering that taper is given prominence to.The cutterhead positioning body connects cutterhead, plays fixation, and the taper hole that the centre is offered makes things convenient for the installation of cutterhead, and the step place connects inertia disk.
As preferably, be recessed into hollow in the inertia disk, the inertia disk center has through hole, in the through hole of the outstanding insertion of the taper of cutterhead positioning body inertia disk, adopts screw to be mutually permanently connected between inertia disk and the cutterhead positioning body.Can put into cutterhead in the cavity of inertia disk, the through hole that the center has can embed the cutterhead positioning body, and screw penetrates the inertia disk from cutterhead positioning body surface.
As preferably, cutterhead embeds in the cavity of inertia disk, and the cutterhead center has taper hole, and the outstanding tapering of its tapering and the taper of cutterhead positioning body is consistent, and it is outstanding that the taper hole of cutterhead is inserted in taper, and cutterhead and cutterhead positioning body employing screw are mutually permanently connected.Cutterhead, cutterhead positioning body and inertia disk three are fixed together, have saved the space, make more compact structure, also reached the purpose of inertia disk with the cutterhead coaxial rotation.
As preferably, workpiece box is provided with positioning disk, and pull bar passes the center of chuck and positioning disk successively, and the pull bar center is installed with trip bolt.Distance between chuck can be regulated by pull bar, to adapt to different workpiece size dimensions.
As preferably, the cross section tile shape of chuck is received in the chuck edge.The chuck of watt shape is clamping work pieces better, and chuck edge clamping force is big in fixing, and the intensity at chuck edge is also higher relatively.
Therefore, the utlity model has characteristics such as rational in infrastructure, total control operation, especially is the cutterhead slow-roll stabilization, the machining accuracy height.
Description of drawings
Accompanying drawing 1 is a kind of overall structure schematic diagram of the present utility model;
Accompanying drawing 2 is structural representations of the utility model cutterhead;
Accompanying drawing 3 is left views of accompanying drawing 2;
Accompanying drawing 4 is structural representations of the utility model chuck;
Accompanying drawing 5 is left views of accompanying drawing 4;
Accompanying drawing 6 is structural representations of the utility model inertia disk;
Accompanying drawing 7 is left views of accompanying drawing 6.
The specific embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment 1: adopt common straightcarbon steel to make disc cutter hub 13, in the emargintion of cutter hub 13, assign cutter tooth 12, the quantity of cutter tooth 12 is 36, get α=10 ° according to α=360 °/n, surperficial vertical to cutter tooth 12 with cutter hub 13, at cutter tooth 12 afterbody pad upper support circles 15, penetrate tight cutter screw 14 in the upper surface of cutter tooth 12, tight cutter screw 14 vertically compresses cutter tooth 12, and the center of cutter hub 13 has taper hole 16, and its tapering is 15 °; Cutter tooth 12, cutter hub 13, tight cutter screw 14 and support ring 15 are formed cutterhead 1 (shown in Fig. 2 and 3).
Adopt common straightcarbon steel to make positioning disk 7 and chuck 8, from the central opening of chuck 8, penetrate to positioning disk 7 with pull bar 71, positioning disk 7 and chuck 8 are cascaded, penetrate trip bolt 72 with the distance between the control chuck 8 at the center of pull bar 71, harvest watt shape in the edge of chuck 8 is with the workpiece (shown in Figure 4 and 5) that makes things convenient for the clamping Any shape.
Adopt common straightcarbon steel to make inertia disk 2 and cutterhead positioning body 6, the cylindrical car of cutterhead positioning body 6 has a plurality of steps, and last Handcart capable of climbing step of end is tapered gives prominence to 61, and tapering is 15 °, match with the taper hole 16 on the cutterhead 2, the center of cutterhead positioning body 6 has through hole; Be recessed into hollow in the inertia disk 2, can embed cutterhead positioning body 6 in the opening of one side, opposite side can embed into cutterhead 1, taper hole 16 on the cutterhead is given prominence to 61 with the taper on the cutterhead positioning body and is nested together, and respectively cutterhead 1 and cutterhead positioning body 6, inertia disk 2 and cutterhead positioning body 6 is fixed (shown in Fig. 6 and 7) with screw.
During use, positioning disk 7 is installed on the workpiece box 4 with chuck 8, and workpiece box 4 is arranged on the guide rail 5 and with the numerical control case and is connected, and inertia disk 2 is installed on the main shaft of lathe with cutterhead 1, the calibration of workpiece box 4 control chucks and mobile; The direction of guide rail 5 is identical with the major axes orientation of lathe, cutterhead plane 11, inertia disk plane 21 and surface of the work 31 (as shown in Figure 1) parallel to each other.
Claims (10)
1, a kind of numerical control gear-broach machine, comprise lathe bed, column, be installed in main spindle box, speed changer in the column, workbench on the bed ways and cutterhead are formed, it is characterized in that setting up on cutterhead (1) inertia disk (2), cutterhead plane (11), inertia disk plane (21) and surface of the work (31) are parallel to each other.
2, numerical control gear-broach machine according to claim 1 is characterized in that the guide rail (5) of lathe bed is provided with workpiece box (4), and workpiece box (4) links to each other with the numerical control case, and guide rail (5) is vertical with cutterhead plane (11).
3, numerical control gear-broach machine according to claim 2 is characterized in that being provided with mechanical mobile device and tumbler in the workpiece box (4), and the control power supply links to each other with the numerical control case.
4, numerical control gear-broach machine according to claim 1 and 2 is characterized in that cutterhead (1) is made up of cutter tooth (12), cutter hub (13), support ring (15) and tight cutter screw (14), and cutter tooth (12) is surperficial mutual vertical with cutter hub.
5, numerical control gear-broach machine according to claim 4, it is characterized in that the quantity n of cutter tooth (12) and the angle α between cutter tooth (12) have following relation: α=360 °/n, be provided with pad between cutter tooth (12) and cutter hub (13), cutter tooth (12) tail end is provided with support ring (15).
6, numerical control gear-broach machine according to claim 1 and 2, it is characterized in that cutterhead positioning body (6) becomes step-like, its end step tapered outstanding (61), the center of cutterhead (1) is provided with taper hole (16), and the tapering of taper hole (16) is consistent with the tapering of taper outstanding (61).
7, numerical control gear-broach machine according to claim 1 and 2, it is characterized in that being recessed into hollow in the inertia disk (2), inertia disk (2) center has through hole, the taper of cutterhead positioning body (6) outstanding (61) is inserted in the through hole of inertia disk (2), adopts screw to be mutually permanently connected between inertia disk (2) and the cutterhead positioning body (6).
8, numerical control gear-broach machine according to claim 1 and 2, it is characterized in that cutterhead (1) embeds in the cavity of inertia disk (2), cutterhead (1) center has taper hole (16), its tapering is consistent with the tapering of the taper of cutterhead positioning body outstanding (61), the taper hole of cutterhead (1) is inserted in taper outstanding (61), and cutterhead (1) adopts screw to be mutually permanently connected with cutterhead positioning body (6).
9, numerical control gear-broach machine according to claim 1 and 2 is characterized in that workpiece box (4) is provided with positioning disk (7), and pull bar (71) passes the center of chuck (8) and positioning disk (7) successively, and pull bar (71) center is installed with trip bolt (72).
10, numerical control gear-broach machine according to claim 1 and 2 is characterized in that the cross section tile shape of chuck (8), receives in chuck (8) edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620102578 CN2875665Y (en) | 2006-04-12 | 2006-04-12 | Digital controlled teeth broaching machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620102578 CN2875665Y (en) | 2006-04-12 | 2006-04-12 | Digital controlled teeth broaching machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2875665Y true CN2875665Y (en) | 2007-03-07 |
Family
ID=37818910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620102578 Expired - Lifetime CN2875665Y (en) | 2006-04-12 | 2006-04-12 | Digital controlled teeth broaching machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2875665Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103624332A (en) * | 2013-07-29 | 2014-03-12 | 河南科技大学 | Spiral bevel gear broaching method and gear broaching machine tool |
-
2006
- 2006-04-12 CN CN 200620102578 patent/CN2875665Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103624332A (en) * | 2013-07-29 | 2014-03-12 | 河南科技大学 | Spiral bevel gear broaching method and gear broaching machine tool |
| CN103624332B (en) * | 2013-07-29 | 2016-01-13 | 河南科技大学 | A kind of spiral bevel gear broaching processing method and gear-broach machine bed |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20070307 |
|
| EXPY | Termination of patent right or utility model |