CN202052975U - Spiral hole-milling device for lathe - Google Patents
Spiral hole-milling device for lathe Download PDFInfo
- Publication number
- CN202052975U CN202052975U CN 201120085599 CN201120085599U CN202052975U CN 202052975 U CN202052975 U CN 202052975U CN 201120085599 CN201120085599 CN 201120085599 CN 201120085599 U CN201120085599 U CN 201120085599U CN 202052975 U CN202052975 U CN 202052975U
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- China
- Prior art keywords
- cutter
- lathe
- milling device
- cushion block
- driving gear
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Abstract
The utility model discloses a spiral hole-milling device for a lathe, which comprises a cutter (0), a cutter self-rotating mechanism connected with the cutter (0), and a height adjusting device which can adjust a self-rotating axis of the cutter (0) to level to a main axis of the lathe (4) along the X axis direction. The cutter self-rotating mechanism is connected with the height adjusting device through a fixing bracket (3). The spiral hole-milling device for the lathe has a simple structure, is easy to manufacture, convenient to mount and low in manufacturing cost, and excellently widens the holing capability of the traditional horizontal lathe; spiral hole-milling method is different from the traditional drilling method, the cutting force is greatly lowered, the service life of the cutter (0) is also greatly prolonged; and in addition, the spiral hole-milling device for the lathe has convenience in heat dissipation and good machining accuracy, and can also be used for high-accuracy hole machining of materials hard to process, such as a titanium alloy, a carbon fiber composite reinforced material, die steel and the like.
Description
Technical field
A kind of milling device that the utility model relates to, what be specifically related to is a kind of helical milling device that is used for lathe, belongs to the Machining Technology for Cutting field.
Background technology
The tradition lathe adopts drill bit, boring cutter, reamer, can finish a series of processing such as boring, bore hole, reaming, fraising.But because the process of boring, reaming, fraising all belongs to semi-enclosed continuous cutting, a large amount of cutting heat energy that should not get rid of cause rapidly that cutter is overheated and produce annealing and lost efficacy, often occur stopping and carries out tool sharpening; Banded drilling cuttings makes boring procedure that the withdrawing link need be set simultaneously; For the different apertures of workpiece, need provide many, but also want frequent tool changing cutter.These will directly influence the drilling efficient of traditional lathe.
The machining accuracy aspect, the boring that utilizes lathe tailstock to carry out is applicable to the roughing stage usually, and its borehole accuracy is generally IT13～IT11, and roughness can reach Ra50～12.5.For some high-precision endoporus, must be by prefabricated bottom outlet---reaming---bore hole/multiple tracks clustered operations such as fraising.And the precision in hole and quality be that geometry and tolerance by cutter directly determines, often misapplies cutter in the daily production because of tool category is various and cause that workpiece scraps situation.Especially for the carbon fibre reinforced composite material, because the axial force of traditional drilling is very big, tear, mortality defectives such as splitting, fluffing, layering happen occasionally.
The utility model content
At the deficiency that exists on the prior art, the utility model purpose is to be to provide that a kind of cutter changing frequency is few, wear rate is low, can improve the helical milling device of drilling efficient, and the hole face quality that makes is good.
To achieve these goals, the utility model is to realize by the following technical solutions:
The helical milling device that is used for lathe of the present utility model, the cutter free-wheeling system that comprise cutter, is connected with cutter and can regulate cutter rotation axis and the lathe spindle line along the contour arrangement for adjusting height of X-direction, the cutter free-wheeling system is connected with arrangement for adjusting height by fixed support.The utility model is simple in structure, be easy to make, be convenient to low cost of manufacture is installed.
Above-mentioned cutter free-wheeling system comprises the drive unit and the cutter clamping device that is used to be connected drive unit and cutter that is installed in the fixed support upper end, and drive unit comprises output shaft and can control the motion controller of output shaft rotating speed.
Above-mentioned cutter clamping device comprises clamp body, is installed in the collet in clamp body one end and is arranged on the check nut that is used for fixing collet on the clamp body; One end of cutter runs through check nut and is installed in the collet, and output shaft is arranged in the other end of clamp body; The coaxial installation of described cutter, output shaft and clamp body.
Above-mentioned arrangement for adjusting height comprises the movable cushion block that is connected with the fixed support bottom, is arranged on the fixedly cushion block of movable cushion block below and heightens parts; Heighten parts and comprise that a plurality of height that are installed in fixing cushion block one side regulate double-screw bolts and be installed in driving gear shaft and a plurality of passive tooth wheel shaft of opposite side, the driven gear that is respectively equipped with driving gear on driving gear shaft and the passive tooth wheel shaft and all is meshed with driving gear; The other end of highly regulating double-screw bolt and driving gear shaft is respectively equipped with and is used to drive first inner hexagonal hole and second inner hexagonal hole of highly regulating double-screw bolt and driving gear shaft rotation, and the other end of passive tooth wheel shaft is connected with movable cushion block.
Be respectively equipped with on above-mentioned movable cushion block and the fixed support and first inner hexagonal hole and corresponding first adjustment hole of second inner hexagonal hole and second adjustment hole.
Above-mentioned drive unit is air motor or electric main shaft.
The beneficial effects of the utility model are as follows:
(1) of the present utility model one can process multiple aperture to cutter continuously, avoid a large amount of tool changing operations; (2) adopt a helical milling just can arrive at whole hole dimension, simplified work flow, improved drilling efficient; (3) the utility model simple in structure, be easy to make, be convenient to low cost of manufacture, the fine drilling ability of having expanded traditional horizontal lathe are installed.
Description of drawings
Describe the utility model in detail below in conjunction with the drawings and specific embodiments;
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is user mode figure of the present utility model;
Fig. 3 is the vertical view after arrangement for adjusting height of the present utility model sheds movable cushion block;
Fig. 4 is a cutter clamping mechanism structure schematic diagram of the present utility model;
Fig. 5 is a principle schematic of the present utility model;
Fig. 6 is a workflow diagram of the present utility model;
Wherein, O
1O
1Expression lathe spindle line, O
2O
2Expression center cutter axis, ω represents the lathe spindle rotating speed, and n represents the cutter rotational velocity, and e represents the offset distance of the relative lathe spindle line of center cutter axis along X-direction, F
aThe axial feed of expression cutter.
The specific embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with the specific embodiment, further set forth the utility model.
The cutter free-wheeling system comprises drive unit 10 and the cutter clamping device 11 that is used to be connected drive unit 10 and cutter 0, and drive unit 10 drives cutters 0 by cutter clamping device 11 and produces rotation; Drive unit 10 is installed on the fixed support 3 of L type by end face bolt (not drawing among the figure) with cantilevered fashion, drive unit 10 comprises output shaft 102 and motion controller 103, motion controller 103 is in order to the rotary speed of adjustment output shaft 102, thus control cutter 0 rotating speed.
Arrangement for adjusting height comprises movable cushion block 20, is arranged on the fixedly cushion block 21 of movable cushion block 20 belows and heightens parts that the upper end of movable cushion block 20 is connected with the fixed support 3 of L type by first securing member 30.Movable cushion block 20 and fixedly cushion block 21 fix by eight second securing members 23, eight second securing members 23 evenly are arranged on fixedly upside, downside and the right side of cushion block 21.
Heighten parts and comprise that two height that are installed on the fixing cushion block 21 regulate double-screw bolt 220 and be installed in driving gear shaft 221 and four passive tooth wheel shafts 222 on the fixing cushion block 21; Driving gear shaft 221 is installed in fixedly on the cushion block 21 by active bearings (not drawing among the figure), passive tooth wheel shaft 222 with highly regulate double-screw bolt 220 and be connected with fixing cushion block 21 by the driving type screw thread respectively; Highly regulate double-screw bolt 220 and be separately positioned on the fixedly top, left side and the below, left side of cushion block 21, driving gear shaft 221 is arranged on the fixedly centre position, right side of cushion block 21; The driven gear 2220 that is respectively equipped with driving gear 2211 on driving gear shaft 221 and the passive tooth wheel shaft 222 and is meshed with driving gear 2211 simultaneously, driven gear 2220 be evenly distributed on driving gear 2211 around; The upper end of highly regulating double-screw bolt 220 and driving gear shaft 221 is respectively equipped with and is used to drive the first inner hexagonal hole (not shown) and the second inner hexagonal hole (not shown) of highly regulating double-screw bolt 220 and driving gear shaft 221 rotations, and the upper end of passive tooth wheel shaft 222 is connected with movable cushion block 20 by passive bearing (not drawing among the figure); Be respectively equipped with first adjustment hole 200 and second adjustment hole 31 that communicate with first inner hexagonal hole and second inner hexagonal hole on movable cushion block 20 and the fixed support 3.
The method for helically milling hole of the utility model helical milling device 100 comprises following step:
(A) unload lathe saddle parts (not drawing among the figure), helical milling device 100 is installed in the knife rest interface position of lathe cross slide 41 by screw, and by lathe cross slide 41, making relative lathe 4 main shafts of cutter 0 rotation axis is zero along the side-play amount of X-direction, finishes initialization;
(B) after initialization is finished, treat the diameter d of the diameter D and the cutter 0 of drilling, determine the offset X of relative lathe 4 main shafts of cutter 0 rotation axis along X-direction according to workpiece 5:
When cutter 0 rotation axis and lathe 4 main shafts are contour along X-direction, offset X=(D-d)/2 then;
When cutter 0 rotation axis and lathe 4 main shafts are not contour along X-direction, at first make cutter 0 rotation axis and lathe 4 main shafts contour along X-direction by arrangement for adjusting height, in like manner can draw offset X=(D-d)/2;
(C) according to determined offset X, by lathe cross slide 41, cutter 0 rotation axis is moved Δ X=(D-d)/2 distance relative to lathe 4 main shafts to the left or to the right along X-direction, make helical milling device 100 be transferred to required drilling state;
(D) after step (C) is finished, beginning hole milling: the workpiece 5 that is installed on the lathe chuck 40 is together rotated in company with lathe 4 main shafts, drive unit 10 drives cutter 0 rotation, cutter 0 is realized axial feed under the drive of the vertical planker 42 of lathe simultaneously, when cutter 0 contacts with workpiece 5, the rotation of workpiece 5 realizes the revolution feeding of cutter 0, and cutter 0 is finally finished helical milling with the screwfeed of combination; Can control the rotating speed of cutter 0 by motion controller 103;
(E) judge whether to need to continue hole milling:
When not needing to continue hole milling, go to step G;
When needs continue hole milling, go to step F;
(F) judge whether next aperture changes:
When the aperture does not change, go to step D;
When the aperture changes, go to step B;
(G) helical milling finishes.
Arrangement for adjusting height makes cutter 0 rotation axis and lathe 4 main shafts contour along X-direction by following step:
(a) unclamp second securing member 23;
(b) highly regulate double-screw bolt 220 and driving gear shaft 221 rotations by first inner hexagonal hole and the driving of second inner hexagonal hole respectively, driving gear 2211 is under the driving of driving gear shaft 221, driving driven gear 2220 together rotates, there are not the skew of Y direction, shut-down operation up to relative lathe 4 main shafts of cutter 0 rotation axis;
(c) tighten second securing member 23, finish to regulate.
First securing member 30 and second securing member 23 of present embodiment are fastening bolt and alignment pin.
The drive unit 10 of present embodiment can adopt air motor or electric main shaft.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (6)
1. helical milling device that is used for lathe, it is characterized in that, the cutter free-wheeling system that comprise cutter (0), is connected with cutter (0) and can regulate cutter (0) rotation axis and lathe (4) main shaft along the contour arrangement for adjusting height of X-direction, described cutter free-wheeling system is connected with arrangement for adjusting height by fixed support (3).
2. the helical milling device that is used for lathe according to claim 1, it is characterized in that, described cutter free-wheeling system comprises drive unit (10) that is installed in fixed support (3) upper end and the cutter clamping device (11) that is used to be connected drive unit (10) and cutter (0), and described drive unit (10) comprises output shaft (102) and can control the motion controller (103) of output shaft (102) rotating speed.
3. the helical milling device that is used for lathe according to claim 2, it is characterized in that described cutter clamping device (11) comprises clamp body (110), is installed in the collet (111) in clamp body (110) one ends and is arranged on the check nut (112) that is used for fixing collet (111) on the clamp body (110); One end of described cutter (0) runs through check nut (112) and is installed in the collet (111), and described output shaft (102) is arranged in the other end of clamp body (110); Described cutter (0), output shaft (102) and the coaxial installation of clamp body (110).
4. according to any described helical milling device that is used for lathe of claim 1 to 3, it is characterized in that described arrangement for adjusting height comprises the movable cushion block (20) that is connected with fixed support (3) bottom, is arranged on the fixedly cushion block (21) of movable cushion block (20) below and heightens parts; The described parts of heightening comprise that a plurality of height that are installed in fixing cushion block (21) one sides regulate double-screw bolts (220) and be installed in driving gear shaft (221) and a plurality of passive tooth wheel shaft (222) of opposite side, the driven gear (2220) that is respectively equipped with driving gear (2211) on described driving gear shaft (221) and the passive tooth wheel shaft (222) and all is meshed with driving gear (2211); The other end of described height adjusting double-screw bolt (220) and driving gear shaft (221) is respectively equipped with and is used for driving first inner hexagonal hole and second inner hexagonal hole of highly regulating double-screw bolt (220) and driving gear shaft (221) rotation, and the other end of described passive tooth wheel shaft (222) is connected with movable cushion block (20).
5. the helical milling device that is used for lathe according to claim 4, it is characterized in that, be respectively equipped with on described movable cushion block (20) and the fixed support (3) and first inner hexagonal hole and corresponding first adjustment hole of second inner hexagonal hole (200) and second adjustment hole (31).
6. according to any described helical milling device that is used for lathe of claim 1 to 3, it is characterized in that described drive unit (10) is air motor or electric main shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120085599 CN202052975U (en) | 2011-03-28 | 2011-03-28 | Spiral hole-milling device for lathe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120085599 CN202052975U (en) | 2011-03-28 | 2011-03-28 | Spiral hole-milling device for lathe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202052975U true CN202052975U (en) | 2011-11-30 |
Family
ID=45012962
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120085599 Expired - Lifetime CN202052975U (en) | 2011-03-28 | 2011-03-28 | Spiral hole-milling device for lathe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202052975U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102179559A (en) * | 2011-03-28 | 2011-09-14 | 南京信息职业技术学院 | Spiral hole milling device for lathe and method thereof |
| CN107234278A (en) * | 2017-07-20 | 2017-10-10 | 芜湖市泰能电热器具有限公司 | A kind of milling automatic device for workpiece circular arc face |
-
2011
- 2011-03-28 CN CN 201120085599 patent/CN202052975U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102179559A (en) * | 2011-03-28 | 2011-09-14 | 南京信息职业技术学院 | Spiral hole milling device for lathe and method thereof |
| CN102179559B (en) * | 2011-03-28 | 2013-12-11 | 南京信息职业技术学院 | Spiral hole milling device for lathe and method thereof |
| CN107234278A (en) * | 2017-07-20 | 2017-10-10 | 芜湖市泰能电热器具有限公司 | A kind of milling automatic device for workpiece circular arc face |
| CN107234278B (en) * | 2017-07-20 | 2018-10-19 | 芜湖市泰能电热器具有限公司 | A kind of milling automatic device for workpiece circular arc face |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20111130 Effective date of abandoning: 20131211 |
|
| RGAV | Abandon patent right to avoid regrant |