CN202062285U - Lead angle generation mechanism - Google Patents
Lead angle generation mechanism Download PDFInfo
- Publication number
- CN202062285U CN202062285U CN2011201018983U CN201120101898U CN202062285U CN 202062285 U CN202062285 U CN 202062285U CN 2011201018983 U CN2011201018983 U CN 2011201018983U CN 201120101898 U CN201120101898 U CN 201120101898U CN 202062285 U CN202062285 U CN 202062285U
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- working head
- rail
- sinusoidal
- sine
- bevel gear
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Abstract
The utility model relates to a lead angle generation mechanism. The utility model is characterized in that the lead angle generation mechanism comprises a working head and a sine rail mechanism, wherein the working head is arranged on a sliding plate (21) capable of realizing linear motion, and the sine rail mechanism is arranged on the side surface of the working head and is fixedly connected with a machine base (25); the working head comprises a working head box body (1) and a working head main shaft (2), wherein the working head main shaft (2) is arranged in the working head box body (1); a first bevel gear (32) is sleeved at the rear end of the working head main shaft (2), a second bevel gear (11) that is in meshed transmission with the first bevel gear (32) is arranged at the side of the sine rail mechanism, a transmission gear (11') is arranged at the other end of a transmission shaft of the second bevel gear (11), the transmission gear (11') is meshed with a rack (9) that is vertically arranged, the lower end of the rack (9) is provided with a guide shaft (18) that is connected with the rack (9), and a guide bearing (20) is arranged on the guide shaft (18); and the sine rail mechanism comprises a sine rail (16) provided with a sine rail groove (42) and a sine rail support body (15) connected with the sine rail (16), the sine rail support body (15) can rotate at an angle, and the guide bearing (20) arranged on the rack (9) is matched in the sine rail groove (42) on the sine rail (16) in a sliding way. For the lead angle generation mechanism, in the grinding, a linear motion shaft and a rotating shaft move without clearance at the same time, both of the grinding and the reverse grinding can be realized, and the lead angle generation mechanism overcomes the defect that two-way grinding is difficult to realize in a traditional grinding, thereby greatly improving the grinding efficiency.
Description
Technical field
The utility model relates to a kind of lead angle and generates mechanism, is mainly used in and generates lead angle when adopting the mechanical grinding helicla flute.
Background technology
At present both at home and abroad in pure mechanical grinding helicla flute process, many employings are decided the journey mode and are carried out grinding, because each cutter manufacturer adopts different lead angles, the different lead angles of tool diameter differ, so helical angle is varied, producer's grinding will be made multiple different screw rod and be matched.Need the dismounting machine when changing screw rod, and need multiple accessory and annex, grinding action is very loaded down with trivial details, and production efficiency is low, and is uneconomical, and cardinar number control equipment price is relatively more expensive, can not be widely used.
Summary of the invention
The utility model is in order to remedy the deficiencies in the prior art, provide a kind of simple to operate, about spin up respectively the lead angle in can the stepless 0-90 of adjusting degree scope lead angle generate mechanism.
The utility model is achieved by the following technical solution: a kind of lead angle generates mechanism, it comprises the working head that is arranged on can straight-line slide plate, the sinusoidal trailer structure that is arranged on the working head side and fixedlys connected with support, described working head comprises the working head casing, be arranged on the working head main shaft in the working head casing, the working head rear-end of spindle is set with first bevel gear, be arranged on sinusoidal rail mechanism side with second bevel gear of the first bevel gear engaged transmission, the other end of the second bevel gear power transmission shaft is provided with travelling gear, travelling gear and the tooth bar engagement that vertically is provided with, the lower end of tooth bar is provided with the connected axis of guide, and the axis of guide is provided with guide bearing; Described sinusoidal trailer structure comprises the sinusoidal rail supporter of sinusoidal rail that has sinusoidal rail groove and the rotatable angle that is connected with sinusoidal rail, and the described guide bearing cunning that is arranged on the tooth bar fits in the sinusoidal rail groove on the sinusoidal rail.
In the utility model, the sinusoidal rail supporter in the sinusoidal trailer structure can rotate, and rotates a certain angle thereby drive the sinusoidal rail that is fixed together with it, and the angle of sinusoidal rail can be adjusted arbitrarily in the utility model.When slide plate drove the working head moving linearly, the guide bearing that is connected the tooth bar lower end moved along the sinusoidal rail groove on the sinusoidal rail.When sinusoidal rail is set to certain angle, at this moment, when guide bearing moves along sinusoidal rail groove, can drive tooth bar moves up or down, and pass motion to intermeshing a pair of bevel gear by travelling gear with its engagement, thereby drive the working head main axis rotation, the working head main shaft produces the lead angle that conforms to gradient.Sinusoidal rail is set to different angles, can produce different lead angles, and the utility model can adjust the lead angle (left and right sides rotation direction) in the 0-90 degree scope.
In the utility model, second bevel gear of transferring power and the drive mechanism between the travelling gear can adopt any structure form of prior art, but consider the simple and reliability of structural design, described second bevel gear and travelling gear are the dual gear that combines as a whole.
In the utility model, for the ease of adjusting the angle of sinusoidal rail, described sinusoidal trailer structure is adjusted angle by the worm-and-wheel gear that is arranged on sinusoidal rail supporter rear portion.It is convenient, fast to adjust angle by worm-and-wheel gear.
For the ease of the different helicla flute of grinding, the working head rear-end of spindle in the utility model is provided with indexing mechanism, can realize different spiral fluted grindings easily by indexing mechanism.
Described indexing mechanism can adopt any structure form of prior art, but consider the simple and reliability of structural design, described indexing mechanism comprises the handgrip that is packed in working head main shaft rear portion, the index dial that is connected with the handgrip end face, index dial supports by the support set that is set on the working head main shaft, the index dial excircle is provided with uniform groove, the index dial outside is provided with ratchet clutch mechanism, described ratchet clutch mechanism comprise with the index dial excircle on the ratchet of groove fit, the ratchet clutch bar and the ratchet clutch piece that are connected with an end of ratchet, press chip type spring at the ratchet other end.Can carry out the calibration adjustment to index dial easily by ratchet clutch mechanism.
In order to realize simultaneously that described working head is connected with slide plate by the angle modulation gripper shoe rotationally to the grinding at the angle, front and back of drill bit-like instrument, be provided with the tight mechanism of stopping between working head casing and the angle modulation gripper shoe.Realize grinding by adjusting the angle of pitching before and after the working head to the angle, front and back of drill bit-like instrument.
In order to guarantee the security of mechanism action, respectively be provided with limited block in the bound of tooth bar.
The beneficial effects of the utility model are: the utility model passes through structural design cleverly, can be easily about spin up lead angle in the stepless 0-90 of the adjusting degree scope, satisfy the requirement of different lead angles, can be widely used in all kinds of helicla flute cutters of grinding, as drill bit, screw tap, multiple cutters such as milling cutter, step drill bit, spiral reamer can greatly improve grinding efficiency; The utility model is in grinding, and linear motion axis and rotating shaft do not have gap motion simultaneously, can realize down that down grinding cuts, and has overcome the defective that traditional grinding method is difficult to the two-way grinding of realization, can improve grinding efficiency greatly.
Description of drawings
Fig. 1 is the structural representation of the utility model specific embodiment;
Fig. 2 be among Fig. 1 E-E to cutaway view;
Fig. 3 is the axial cutaway view of working head among Fig. 1;
Fig. 4 be among Fig. 3 C-C to cutaway view;
Fig. 5 is the front view of sinusoidal trailer structure among the embodiment;
Fig. 6 is an A-A cutaway view among Fig. 5;
Fig. 7 is that sinusoidal rail angle is 0 state when spending;
Fig. 8 is the state of sinusoidal rail when producing the right hand helix lift angle;
Fig. 9 is the state of sinusoidal rail when producing left-handed lead angle;
Figure 10 is that sinusoidal rail angle is 90 states when spending;
Among the figure: 1, the working head casing, 2, the working head main shaft, 3, the angle modulation gripper shoe, 4, the angle modulation back shaft, 5, the angle modulation tight screw of stopping, 6, back shaft, 7, the support cover backplate, 8, support cover, 9, tooth bar, 10, transfer the crack gland, 11, second bevel gear, 11 ', travelling gear, 12, sinusoidal rail casing, 13, worm gear gland and angle scale, 14, the angle modulation worm gear, 15, sinusoidal rail supporter, 16, sinusoidal rail, 17, lower position block, 18, the axis of guide, 19, upper limit position block, 20, guide bearing, 21, slide plate, 22, rolling guide, 23, the slide plate tooth bar, 24, the tooth bar power transmission shaft, 25, support, 26, stop and tightly overlap 27, the working head casing, 28, handgrip, 29, the first bevel gear support set, 30, index dial, 31, the index dial support set, 32, first bevel gear, 33, ratchet, 34, the ratchet clutch bar, 35, the ratchet clutch piece, 36, the chip stage clip, 37, fastening handle, 38, the angle modulation worm screw, 39, the worm gear mandrel of stopping, 40, the worm gear fairlead, 41, the angle modulation dial, 42, sinusoidal rail groove.
The specific embodiment
Also in conjunction with the accompanying drawings the utility model is further described below by non-limiting embodiment:
As shown in drawings, be that a kind of lead angle generates mechanism.It comprises the working head that is arranged on can straight-line slide plate 21, the sinusoidal trailer structure that is arranged on the working head side and fixedlys connected with support 25.Slide plate 21 bottoms are provided with rolling guide 22, and slide plate 21 bottoms also are provided with slide plate tooth bar 23, and slide plate 21 drives working head by pinion on the tooth bar power transmission shaft 24 and slide plate tooth bar engaged transmission and does rectilinear motion.Described working head comprises working head casing 1, is arranged on the working head main shaft 2 in the working head casing 1.Working head casing 1 is connected with slide plate 21 by angle modulation gripper shoe 3.In the present embodiment, carry out grinding for the ease of angle, front and back to the drill bit-like instrument, working head is designed to adjust luffing angle, be that working head casing 1 is to be connected with angle modulation gripper shoe 3 by angle modulation back shaft 4 is rotating, stop tightly by the angle modulation tight screw 5 of stopping between working head casing 1 and the angle modulation gripper shoe 3.Working head main shaft 2 front ends are used for clamping workpiece, and are provided with the tight cover 26 of stopping of the tight working head main shaft 2 that is used to stop.Working head main shaft 2 rear ends are equipped with first bevel gear 32 and are used for the indexing mechanism of calibration.First bevel gear 32 is sleeved on the working head main shaft 2 by support set 29.The rear end of support set 29 is indexing mechanisms, indexing mechanism comprises the handgrip 28 that is packed in working head main shaft 2 rear portions, the index dial 30 that is arranged on handgrip 28 inboards, index dial 30 is connected with the end face of handgrip 28, and index dial 30 supports by the support set 31 that is set on the working head main shaft 2.The excircle of index dial 30 is provided with uniform groove, on the first bevel gear support set 29 in index dial 30 outsides, be provided with ratchet clutch mechanism, described ratchet clutch mechanism comprises ratchet 33, ratchet clutch bar 34, ratchet clutch piece 35, chip type spring 36, wherein ratchet 33 can with the groove fit on index dial 30 excircles, ratchet clutch bar 34 and ratchet clutch piece 35 are arranged on an end of ratchet 33, chip type spring 36 presses the other end at ratchet 33, by adjusting ratchet clutch bar 34, ratchet 33 can break away from or fastening index dial 30, rotates handgrip 28 and can realize indexing operation.Be arranged on sinusoidal trailer structure one side with second bevel gear 11 of first bevel gear, 32 engagements, the dual gear of itself and travelling gear 11 ' for combining as a whole, two gear sets are on back shaft 6, back shaft 6 is assemblied in the axis hole of the support cover 8 of fixedlying connected with slide plate 21, travelling gear 11 ' the be positioned at outside of support cover 8.Travelling gear 11 ' mesh with the tooth bar 9 that vertically is provided with, the lower end of tooth bar 9 is provided with the connected axis of guide 18, and the axis of guide 18 is provided with guide bearing 20.Described sinusoidal trailer structure comprises sinusoidal rail 16, sinusoidal rail supporter 15, sinusoidal rail casing 12, worm and gear adjusting angle mechanism.Have sinusoidal rail groove 42 on the sinusoidal rail 16, sinusoidal rail 16 is connected by screw with an end of sinusoidal rail supporter 15, and the other end of sinusoidal rail supporter 15 is equipped with the angle modulation worm gear 14 of worm and gear adjusting angle mechanism.Be arranged on guide bearing 20 on the tooth bar 9 and be arranged in the sinusoidal rail groove 42 on the sinusoidal rail 16, and can slide along sinusoidal rail groove 42.Described worm and gear adjusting angle mechanism comprises angle modulation worm gear 14, angle modulation worm screw 38, angle modulation worm gear 14 is undertaken fastening by fastening handle 37 and the worm gear mandrel 39 of stopping, the afterbody of angle modulation worm screw 38 is provided with handle and angle modulation dial 41, drive sinusoidal rail supporter 15 by the handle that rotates angle modulation worm screw 38 afterbodys by worm and gear and rotate, thereby drive sinusoidal rail 16 rotating certain angle.In order to guarantee the security of mechanism action, respectively be provided with limited block in the bound of tooth bar 9: upper limit position block 19, lower position block 17.
The course of work of the present utility model is: slide plate 21 is done rectilinear motion, drive working head and do rectilinear motion, the guide bearing 20 of tooth bar 9 lower ends promptly moves along the sinusoidal rail groove 42 on the sinusoidal rail 16, when sinusoidal rail groove 42 has certain angle of inclination, guide bearing 20 is along diagonal movement, tooth bar 9 is motion up or down simultaneously, with the travelling gear 11 of the tooth bar 9 engagement ' motion of tooth bar 9 is passed to second bevel gear 11, and driving 2 rotations of working head main shafts by first bevel gear 32 with the engagement of second bevel gear 11, the working head main shaft produces the lead angle that conforms to gradient.Sinusoidal rail is set to different angles, can produce different lead angles, and the utility model can adjust the lead angle (left and right sides rotation direction) in the 0-90 degree scope.
Present embodiment only is used for explanation of the present utility model, is not limitation ot it, and those skilled in the art can also change accordingly to it.As: adopt worm and gear adjusting angle mechanism offset of sinusoidal rail to carry out angle adjustment in the present embodiment, in fact can also adjust, for example can adjust by the fastening mode of the simplest screw by other modes of prior art.Working head in the present embodiment can also adopt the nonadjustable version of angle.And present embodiment also can not be provided with the version of other indexing mechanisms of indexing mechanism or employing prior art.
Other parts in the utility model adopt prior art, do not repeat them here.
The utility model can be easily about spin up lead angle in the stepless 0-90 of the adjusting degree scope, can be widely used in all kinds of helicla flute cutters of grinding, as drill bit, screw tap, multiple cutters such as milling cutter, step drill bit, spiral reamer can greatly improve grinding efficiency.
Claims (7)
1. a lead angle generates mechanism, it is characterized in that: comprise the working head that is arranged on can straight-line slide plate (21), the sinusoidal trailer structure that is arranged on the working head side and fixedlys connected with support (25), described working head comprises working head casing (1), be arranged on the working head main shaft (2) in the working head casing (1), working head main shaft (2) rear end is set with first bevel gear (32), be arranged on sinusoidal rail mechanism side with second bevel gear (11) of first bevel gear (32) engaged transmission, the other end of second bevel gear (11) power transmission shaft is provided with travelling gear (11 '), travelling gear (11 ') and tooth bar (9) engagement that vertically is provided with, the lower end of tooth bar (9) is provided with the connected axis of guide (18), and the axis of guide (18) is provided with guide bearing (20); Described sinusoidal trailer structure comprises the sinusoidal rail supporter (15) of sinusoidal rail (16) that has sinusoidal rail groove (42) and the rotatable angle that is connected with sinusoidal rail (16), in the described sliding sinusoidal rail groove (42) that fits on the sinusoidal rail (16) of guide bearing (20) that is arranged on the tooth bar (9).
2. lead angle according to claim 1 generates mechanism, it is characterized in that: described second bevel gear (11) and the dual gear of travelling gear (11 ') for combining as a whole.
3. lead angle according to claim 1 generates mechanism, it is characterized in that: described sinusoidal trailer structure is adjusted angle by the worm-and-wheel gear that is arranged on sinusoidal rail supporter (15) rear portion.
4. generate mechanism according to claim 1 or 2 or 3 described lead angles, it is characterized in that: working head main shaft (2) rear end is provided with indexing mechanism.
5. lead angle according to claim 4 generates mechanism, it is characterized in that: described indexing mechanism comprises the handgrip (28) that is packed in working head main shaft (2) rear portion, the index dial (30) that is connected with handgrip (28) end face, index dial (30) supports by the support set (31) that is set on the working head main shaft (2), index dial (30) excircle is provided with uniform groove, index dial (30) outside is provided with ratchet clutch mechanism, described ratchet clutch mechanism comprise with index dial (30) excircle on the ratchet (33) of groove fit, the ratchet clutch bar (34) and the ratchet clutch piece (35) that are connected with an end of ratchet (33), press chip type spring (36) at ratchet (33) other end.
6. generate mechanism according to claim 1 or 2 or 3 described lead angles, it is characterized in that: described working head is connected with slide plate (21) by angle modulation gripper shoe (3) rotationally, is provided with the tight mechanism of stopping between working head casing (1) and the angle modulation gripper shoe (3).
7. generate mechanism according to claim 1 or 2 or 3 described lead angles, it is characterized in that: the bound at tooth bar (9) respectively is provided with limited block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201018983U CN202062285U (en) | 2011-04-11 | 2011-04-11 | Lead angle generation mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201018983U CN202062285U (en) | 2011-04-11 | 2011-04-11 | Lead angle generation mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202062285U true CN202062285U (en) | 2011-12-07 |
Family
ID=45056163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201018983U Expired - Fee Related CN202062285U (en) | 2011-04-11 | 2011-04-11 | Lead angle generation mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202062285U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102554716A (en) * | 2012-01-12 | 2012-07-11 | 陕西徳汇工具有限公司 | Grinding machine for processing tail part of drill edge of gun drill |
| CN108673168A (en) * | 2018-07-26 | 2018-10-19 | 郑莹 | A kind of special waterwheel for processing profiled limb valve |
| CN109865900A (en) * | 2019-02-21 | 2019-06-11 | 益阳康益机械发展有限公司 | Positive motion chain bevel gear, which becomes the angle of cut, can bias tumbling mill |
| CN110026622A (en) * | 2019-02-21 | 2019-07-19 | 益阳康益机械发展有限公司 | Positive motion chain bevel gear, which becomes the angle of cut, can bias tumbling mill biasing adjustment drive mechanism |
| CN112846955A (en) * | 2019-11-12 | 2021-05-28 | 王旭天 | Sharpening device for drill bit and milling cutter |
-
2011
- 2011-04-11 CN CN2011201018983U patent/CN202062285U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102554716A (en) * | 2012-01-12 | 2012-07-11 | 陕西徳汇工具有限公司 | Grinding machine for processing tail part of drill edge of gun drill |
| CN102554716B (en) * | 2012-01-12 | 2014-04-09 | 陕西徳汇工具有限公司 | Grinding machine for processing tail part of drill edge of gun drill |
| CN108673168A (en) * | 2018-07-26 | 2018-10-19 | 郑莹 | A kind of special waterwheel for processing profiled limb valve |
| CN109865900A (en) * | 2019-02-21 | 2019-06-11 | 益阳康益机械发展有限公司 | Positive motion chain bevel gear, which becomes the angle of cut, can bias tumbling mill |
| CN110026622A (en) * | 2019-02-21 | 2019-07-19 | 益阳康益机械发展有限公司 | Positive motion chain bevel gear, which becomes the angle of cut, can bias tumbling mill biasing adjustment drive mechanism |
| CN112846955A (en) * | 2019-11-12 | 2021-05-28 | 王旭天 | Sharpening device for drill bit and milling cutter |
| CN112846955B (en) * | 2019-11-12 | 2022-02-18 | 王旭天 | Sharpening device for drill bit and milling cutter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111207 Termination date: 20130411 |