CN209425108U - A kind of Fixture for sharpening of small mode number spiral bevel gear hard alloy tool section formula milling cutter - Google Patents
A kind of Fixture for sharpening of small mode number spiral bevel gear hard alloy tool section formula milling cutter Download PDFInfo
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- CN209425108U CN209425108U CN201822256073.3U CN201822256073U CN209425108U CN 209425108 U CN209425108 U CN 209425108U CN 201822256073 U CN201822256073 U CN 201822256073U CN 209425108 U CN209425108 U CN 209425108U
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Abstract
The utility model belongs to clamping device technical field, and in particular to a kind of special fixture of fine module gear milling cutter.The Fixture for sharpening of the small mode number spiral bevel gear hard alloy tool section formula milling cutter includes chuck body, the chuck body includes cylindrical knife strip seat, several are symmetrically equipped on knife strip seat circumference for placing the cutter groove of tool section, the opposite locating slot formed for placing tool section in two inside of cutter groove bottom, the cutter groove is equipped with the fastening assembly for fixing tool section, outer ring is equipped on the outside of the knife strip seat, outer ring is installed on knife strip seat by fastening assembly.Fission is changed to by the integral type of fixture and tool section, solving can not be by the single disassembly of tool section and replacement problem after the tool section on fixture is worn, it is symmetrically uniformly distributed to reach 12 cutter grooves, each slot high and low position dimensional uniformity, slot size mutually optimizes with installation accuracy between angle, the advantage of doing so is that even same all tool sections of cutterhead can be carried out dismantling.
Description
Technical field
The utility model belongs to clamping device technical field, and in particular to a kind of special fixture of fine module gear milling cutter.
Background technique
Existing enterprise, the country produces dedicated numerical control tool section blade milling machine, and with diamond wheel grinding, there is an urgent need to one kind to set
Meter is correct, superior, easy to operate, the long-life the hard alloy tool section Fixture for sharpening of processing, to adapt in high quality, small lot
Production needs.With the production-scale expansion of domestic small mode number spiral bevel gear, currently used for producing small mode number spiral bevel gear
The tool section of tool section Fixture for sharpening be usually all molded design on fixture, just needed when tool damage by entire tool section sword
Grinding jig is replaced, and urgent need will improve, and tool section and the molding setting of fixture fission is processed, but because this problem
Solution to consider comprehensively dedicated numerical control whet a knife each manufacturing procedure of a lathe stroke range, the rigidity of fixture, fixture operation
The auxiliary tools such as necessary lifting in safety and production, this just needs to be determined by the structure design and processes design of fixture
Fixed, especially the number of cutters on tool section Fixture for sharpening is very more, and at this moment there are also consider every to assemble cutter respectively
Precision it is quasi- and also overcome it is every knife to knife when the error amount that generates.
Utility model content
The purpose of the utility model is to provide a kind of sharpening of small mode number spiral bevel gear hard alloy tool section formula milling cutter folders
Tool is changed to fission by fixture and tool section integral type, and solving can not be by the single disassembly of tool section simultaneously after the tool section on fixture is worn
The problem of replacement.
Purpose of the utility model is realized as follows: a kind of small mode number spiral bevel gear hard alloy tool section formula milling cutter
Fixture for sharpening, including chuck body, the chuck body are evenly equipped with several on knife strip seat excircle and are used for including being in knife strip seat
The cutter groove of tool section is placed, cutter groove is equipped with the fastening assembly for fixing tool section, is equipped with fastening assembly on the outside of the knife strip seat and pacifies
Seat is filled, fastening assembly mounting base is installed on knife strip seat by fastening assembly.
Preferably, the cutter groove bottom inside forms at least two locating slots being oppositely arranged, and locating slot is for placing
Tool section is positioned in the position of cutter groove.
Preferably, the fastening assembly includes several positioning Top fastening screws set on tool section base rear end, and positioning holds out against spiral shell
Nail is for screwing on the inside of fastening assembly mounting base and being threaded through in the cutter groove and be resisted against tool section.
Preferably, the fastening assembly includes housing screw, and housing screw is set to above cutter groove, the fastening assembly installation
At least one is formed on seat corresponding to the first binding groove above cutter groove, screwing in the first binding groove by housing screw will be set to
Tool section in cutter groove is fixed.
Preferably, the fastening assembly further includes positioning fastening screw, the fastening assembly for fixing the rectangle of tool section
Tipper is formed in mounting base, will be set in cutter groove by rectangle positioning fastening screw screw-in tipper and is resisted against tool section
On.
Preferably, the axial line of the cutter groove slot bottom and knife strip seat is inclined.
Preferably, the tool section base rear end is equipped with several fastening screws, if forming in the fastening assembly mounting base
Dry the second binding groove compatible with fastening screw, is screwed in the second binding groove by fastening screw by fastening assembly mounting base
It installs on knife strip seat.
Compared with the prior art, the utility model has prominent and beneficial technical effects that:
In the feelings for the special fixture that this practical Fixture for sharpening being previously mentioned is small mode number spiral bevel gear hard alloy tool section
Under condition, by the way that the integral type of fixture and tool section is changed to fission, solving can not be single by tool section after the tool section on fixture is worn
The problem of dismantling and replacing, each cutter groove are evenly arranged on knife strip seat, and each slot high and low position size is with uniformity, and what is done so is good
Place is that even same all tool sections of cutterhead can reach dismounting, can not etc. not set up together from 12 tool sections to 2 tool sections or
It removes, and once to can be by 12 tool section completion of processing after knife, and positioning accuracy is very high.
The tool section installation site adapts to Special grinding tool section numerically-controlled machine tool and skive compiles various processing programs, energy
Whole process processing are completed in secondary program circulation, tool section Fixture for sharpening is torn open together with machine on 12 tool sections or together
Under, tool section is assembled and disassembled on the tool section Fixture for sharpening under machine to eliminate various unfavorable factors, so that clamp precision, rigidity are high,
Large-scale production can be achieved, the production efficiency of small mode number spiral bevel gear hard alloy tool section and precision can be made to greatly improve.
Detailed description of the invention
Fig. 1 is the cross-sectional view of chuck body in the utility model embodiment；
Fig. 2 is the partial sectional view of Fig. 1；
Fig. 3 is another cross-sectional view of chuck body in the utility model embodiment；
Fig. 4 is the partial enlarged view of Fig. 3；
Fig. 5 is the partial sectional view of Fig. 3；
Fig. 6 is the structural schematic diagram hidden after fastening assembly mounting base；
Fig. 7 is the front view structure schematic diagram of item to be whetted a knife；
Fig. 8 is the overlooking structure figure of item to be whetted a knife.
Appended drawing reference: 1- chuck body；2- knife strip seat；3- cutter groove；4- locating slot；6- positions Top fastening screw；7- compresses spiral shell
Nail；The concave surface 8- cutting edge；11- fastening assembly mounting base；The first binding groove of 12-；The second binding groove of 13-；14- tipper；15-
Rectangle positions fastening screw；21- fastening screw.
Specific embodiment
Specific embodiment of the present utility model is described in further detail with reference to the accompanying drawing.
It is to be somebody's turn to do for the Fixture for sharpening designed needed for the production of small mode number spiral bevel gear hard alloy tool section that this is practical
Fixture for sharpening is the special fixture of small mode number spiral bevel gear hard alloy tool section, and the Fixture for sharpening of the utility model is only answered
Small mode number spiral bevel gear hard alloy tool section formula milling cutter, low module spiral bevel are produced on dedicated numerical control tool section blade milling machine
The shape of gear hard alloy tool section formula milling cutter is also to have to specification shape compatible with cutter groove simultaneously, item to be whetted a knife
Front view structure schematic diagram as shown in fig. 7, what Fig. 7 was merely representative of is one of tool section application type, be not represent it is all.Institute
Show and form a concave surface cutting edge 8 on tool section, concave surface cutting edge 8 is major cutting edge, and the concave surface is cut from the point of view of main view
At 16 ° of axial angle, the radial angle of the point of a knife of the tool section is 3 ° for the inclined-plane of cutting edge 8 and the tool section axial line, it can be seen that
This tool section precision is very high, and the tool section wearability is very good, therefore designs this fixture for adapting to this tool section.This
The Fixture for sharpening of utility model be applied equally well to 0 ° of tool section axial angle oblique angle, fixture and tool section be not descend on the whole machine and
The various hard alloy tool sections such as single tool section processing.The Fixture for sharpening of the utility model improves small mode number spiral bevel gear hard
The efficiency and precision of alloy tool section grinding, are suitable for large-scale production, reduce production cost.
As shown in figures 1 to 6, a kind of Fixture for sharpening of small mode number spiral bevel gear hard alloy tool section formula milling cutter, including fixture
Ontology 1, the chuck body 1 include knife strip seat 2, and 12 are symmetrically equipped on 2 circumference of knife strip seat for placing the knife of tool section
Slot 3, there are two the locating slots 4 being oppositely arranged for 3 bottom inside of the cutter groove molding, and locating slot 4 is for placement positioning tool section in knife
The position of slot 3, the shape of the locating slot 4, which is recessed inwardly, forms an oblong openings slot, and item to be whetted a knife as shown in Figure 8 is bowed
Depending on structure chart, from the lower inclined plane and horizontal plane of the item to be whetted a knife of top view at 12 °, comparison diagram 4 is it can be seen that if Fig. 8 is the positioning
The structure of tool section, positioning tool section are 12 ° in the inclined angle of 3 inner wall of cutter groove, will be in positioning tool section upper surface fitting cutter groove 3
Wall, while the straight ends for positioning tool section are just stuck in locating slot 4 and realize limit.As shown in figure 4, the locating slot 4 is set
Meter can not only play the role of reinforcing tool section fastening, but also can play the role of adjusting angle.The cutter groove 3 is equipped with for solid
The fastening assembly of stationary knife item, fastening assembly mounting base 11 is equipped on the outside of the knife strip seat 2, and fastening assembly mounting base 11 passes through fastening
Component is installed on knife strip seat 2.
12 tool sections that described the utility model is previously mentioned are divided into six outer cuts and six inner cutters, the hard
Alloy tool section Fixture for sharpening the following steps are included:
1. using fastening screw 21 to fasten below by the assembly of knife strip seat 2 in the inner hole of fastening assembly mounting base 11；
2. six outer cuts and six inner cutters to be successively spaced to assembly in the slot of knife strip seat 2；
3. the tool section Fixture for sharpening front end unified axially extended length for accurately controlling most 12 tool sections in setting element end face
Degree, behind with the levelling of 12 positioning Top fastening screws 6 and hold out against；
4. positioning fastening screw 15 by each rectangle and two housing screws 7 above cutter groove 3 fastening tool section.
Originally practical to improve production efficiency, it is processed by numerical control programming, makes to sharpen the realization automation of tool section production process, can obtain
To good product quality.
The fastening assembly includes 12 positioning Top fastening screws 6 set on 2 rear end of knife strip seat, and positioning Top fastening screw 6 is used
In 11 inside of screw-in outer ring and it is threaded through in the cutter groove 3 and is resisted against on tool section.The fastening assembly includes that rectangle positioning is tight
Gu screw 13 and housing screw 7, the housing screw 7 is set to the top of cutter groove 3, formed in the fastening assembly mounting base 11 to
Few one corresponds to the first binding groove 12 of 3 top of cutter groove, and cutter groove 3 will be set to by screwing in the first binding groove 12 by housing screw 7
On tool section fix.It is described can be achieved the effect that by positioning Top fastening screw 6, fastening assembly, housing screw 7 it is triple firm, greatly
Clamp precision when processing is improved greatly.
As shown in Figure 1, this it is practical provide it is a kind of for small mode number spiral bevel gear hard alloy tool section production needed for
Fixture for sharpening includes fastening assembly mounting base 11, knife strip seat 2, clamp screw 21, and positioning Top fastening screw 6, rectangle positioning are tight
Gu screw 13, housing screw 7 guarantee the precision of hard alloy tool section Fixture for sharpening by accurate assembly, adjustment and measurement.
In order to improve tool section Fixture for sharpening assembly when precision and overcome error, hard alloy tool section is by flat stone mill
Bed two positioning surfaces of fine grinding, guarantee precision ± 0.005mm；And the outer circle and fastening assembly mounting base inner hole of knife strip seat 2 are also by precision
Grinding guarantees fit dimension and position precision ± 0.01mm.
Specifically see Fig. 2,2 rear end of knife strip seat is all provided with there are six fastening screw 21, in the fastening assembly mounting base 11
There are six second binding grooves 13 compatible with fastening screw 21 for molding, and being screwed in the second binding groove 13 by fastening screw 21 will
Fastening assembly mounting base 11 is installed on knife strip seat 2.11 He of fastening assembly mounting base is assembled in rear end by fastening screw 21
After knife strip seat 2,11 rear portion of fastening assembly mounting base is screwed in 12 positioning Top fastening screws 6 by being set to 2 rear end of knife strip seat,
Tipper 14 is formed in the fastening assembly mounting base 11, tipper 14 equally also functions to the effect of positioning, fixed by rectangle
Position fastening screw 13 screws in tipper 14, and housing screw 7 screws in the surface of cutter groove 3, and the housing screw 7 is set in cutter groove 3
It is square, at least one first binding groove 12 corresponding to 3 top of cutter groove is formed in the fastening assembly mounting base 11, passes through compression
Screw 7 screws in the first binding groove 12, then tool section is fitted into the corresponding groove on knife strip seat 2, fastens institute after being adjusted to correct position
Some screws are formed and are fixed, this practical efficiency and precision for improving the grinding of small mode number spiral bevel gear hard alloy tool section is fitted
For large-scale production, production cost is reduced.
In conjunction with Fig. 3 and Fig. 4, clip groove lower shaft is identical as the tilt angle of milling cutter finished product to tilt angle, 12 cutter grooves
Symmetrical uniformly distributed, each slot high and low position dimensional uniformity, slot size mutually optimizes with installation accuracy between angle, so positioning accuracy is very
Height, once to can be by 12 tool section completion of processing after knife.
The tool section installation site adapts to Special grinding tool section numerically-controlled machine tool and skive compiles various processing programs, energy
Whole process processing are completed in secondary program circulation, grinding jig is removed together with machine on 12 tool sections or together, under machine
Grinding jig on assembly and disassembly tool section to eliminate various unfavorable factors, clamp precision height is, it can be achieved that large-scale production.
1. the molding axial oblique angle of the locating slot 4 at the utility model clip groove bottom is identical with the oblique angle of tool section, tool section
Angle-data is not required to convert, lathe exchange tool section processing when do not allow it is error-prone, eliminate positioning when be not in repeatability error,
It can also eliminate because angle difference generates the error of calculating point diameter, to avoid pressure angle initial error in fixture design
Generation；
2. 12 tool section slots are symmetrically to be evenly distributed with indifference between each slot in fixture, the high low dimensional in the front end of each slot keeps one
The cooperation of cause property, groove width adds orientation optimization Dual positioning using datum level, so the positioning accuracy of clamping is high, product is qualified
Rate is high, with feeler block carry out once to knife after, whole processes of 12 tool sections in achievable fixture, productivity is high.
3. fixture design rigidity is sufficient, coarse-fine surplus can determine on demand, and positioning is reliable reasonable, stablize machining accuracy, adopt
Upper machining mode is dismounted with integral clamp, eliminates the unfavorable factor for assembling and disassembling tool section on machine, can also be achieved single-piece and scale batch
Amount production.
4. tool section Fixture for sharpening is equally applicable to the hard alloy tool section of low module 0.5-2.75 specification range
Sharpening uses.This frame mode is equally applicable to the tool section sword of medium mode number spiral bevel gear hard alloy tool section formula milling cutter
Mill.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without deviating from the technical principle of the utility model, several improvement and replacement can also be made, these change
It also should be regarded as the protection scope of the utility model into replacement.
Claims (7)
1. a kind of Fixture for sharpening of small mode number spiral bevel gear hard alloy tool section formula milling cutter, including chuck body (1), feature
Be: the chuck body (1) is evenly equipped with several for placing tool section including being in knife strip seat (2) on knife strip seat (2) excircle
Cutter groove (3), cutter groove (3) is equipped with fastening assembly for fixing tool section, is equipped with fastening assembly on the outside of the knife strip seat (2) and pacifies
It fills seat (11), fastening assembly mounting base (11) is installed on knife strip seat (2) by fastening assembly.
2. a kind of Fixture for sharpening of small mode number spiral bevel gear hard alloy tool section formula milling cutter according to claim 1,
Be characterized in that: cutter groove (3) bottom inside forms at least two locating slots (4) being oppositely arranged, and locating slot (4) is for putting
Positioning tool section is set in the position of cutter groove (3).
3. a kind of Fixture for sharpening of small mode number spiral bevel gear hard alloy tool section formula milling cutter according to claim 1,
Be characterized in that: the fastening assembly includes several positioning Top fastening screw (6) set on knife strip seat (2) rear end, and positioning holds out against spiral shell
Nail (6) is for screwing on the inside of fastening assembly mounting base (11) and being threaded through in the cutter groove (3) and be resisted against tool section.
4. a kind of sharpening of small mode number spiral bevel gear hard alloy tool section formula milling cutter according to claim 1 or 2 or 3 presss from both sides
Tool, it is characterised in that: the fastening assembly includes housing screw (7), and housing screw (7) is set to above cutter groove (3), the fastening
At least one is formed in component mounting base (11) corresponding to the first binding groove (12) above cutter groove (3), passes through housing screw
(7) the first binding groove (12) are screwed in fix the tool section being set on cutter groove (3).
5. a kind of Fixture for sharpening of small mode number spiral bevel gear hard alloy tool section formula milling cutter according to claim 4,
Be characterized in that: the fastening assembly further includes positioning fastening screw (15) for fixing the rectangle of tool section, the fastening assembly peace
Tipper (14) are formed on dress seat (11), cutter groove will be set to by screwing in tipper (14) by rectangle positioning fastening screw (15)
(3) it in and is resisted against on tool section.
6. a kind of Fixture for sharpening of small mode number spiral bevel gear hard alloy tool section formula milling cutter according to claim 1,
Be characterized in that: the axial line of cutter groove (3) slot bottom and knife strip seat (2) is inclined.
7. a kind of Fixture for sharpening of small mode number spiral bevel gear hard alloy tool section formula milling cutter according to claim 1,
Be characterized in that: knife strip seat (2) rear end is equipped with several fastening screws (21), forms on the fastening assembly mounting base (11)
Have several with fastening screw (21) compatible second binding groove (13), pass through fastening screw (21) screw in the second binding groove
(13) fastening assembly mounting base (11) is installed on knife strip seat (2) in.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822256073.3U CN209425108U (en) | 2018-12-29 | 2018-12-29 | A kind of Fixture for sharpening of small mode number spiral bevel gear hard alloy tool section formula milling cutter |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822256073.3U CN209425108U (en) | 2018-12-29 | 2018-12-29 | A kind of Fixture for sharpening of small mode number spiral bevel gear hard alloy tool section formula milling cutter |
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| CN209425108U true CN209425108U (en) | 2019-09-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114888319A (en) * | 2022-06-08 | 2022-08-12 | 哈尔滨理工大学 | Novel cutter head for machining spiral bevel gear and cutter strip installation and adjustment method |
-
2018
- 2018-12-29 CN CN201822256073.3U patent/CN209425108U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114888319A (en) * | 2022-06-08 | 2022-08-12 | 哈尔滨理工大学 | Novel cutter head for machining spiral bevel gear and cutter strip installation and adjustment method |
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