CN202877610U - Installation structure for serial milling cutter disc - Google Patents
Installation structure for serial milling cutter disc Download PDFInfo
- Publication number
- CN202877610U CN202877610U CN 201220555290 CN201220555290U CN202877610U CN 202877610 U CN202877610 U CN 202877610U CN 201220555290 CN201220555290 CN 201220555290 CN 201220555290 U CN201220555290 U CN 201220555290U CN 202877610 U CN202877610 U CN 202877610U
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- groove
- ring flange
- machine tool
- cutter disc
- straight pin
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Abstract
The utility model discloses an installation structure for a serial milling cutter disc, which is used for solving the problems of difficult detachment and spindle stiffness reduction of the serial milling cutter disc by adopting a flat key and interference fit installation structure. The technical scheme is as follows: the installation structure comprises a machine tool spindle, and cutter disc assemblies installed on the machine tool spindle, wherein each utter disc assembly is fixed with the flange of the machine tool spindle via a long bolt, each cutter disc assembly comprises flange discs, a cutter disc, fastening screws, cylindrical pins and a cylindrical pin locking bolt, the flange discs are arranged at the both sides of the cutter disc, the flange discs are fixed with the cutter disc by virtue of the fastening screws, cylindrical pin grooves with semicircular sections are formed in the central hole walls of the flange discs, and the cylindrical pins are fixed in the groove; and a V-shaped groove is axially formed in the machine tool spindle, and the machine tool spindle is peripherally connected with the flange discs by virtue of the cylindrical pins and the V-shaped groove. According to the installation structure for the serial milling cutter disc disclosed by the utility model, the cutter disc is easy to detach, thus being convenient to adjust in position; and the V-shaped groove in the machine tool spindle is used for replacing the original flat key groove, so that the lesion volume of the spindle is reduced and the stiffness of the spindle is enhanced, thus contributing to improving machining accuracy and increasing the service life of the spindle.
Description
Technical field
The utility model relates to a kind of machining tool, especially for the string facing cutter mounting structure of processing automobile bent axle.
Background technology
The string facing cutter is adopted in automobile crane processing usually.This type of string facing cutter mounting structure is normally left respectively the flat key keyway on cutterhead and main shaft, afterwards flat key is squeezed into keyway with the form of interference fit, relies on the flat key transmitting torque; Increase the axial location piece between the cutterhead, to guarantee the axial distance between cutterhead.The problem that this mounting structure commonly used exists is as follows: cutterhead is installed for series winding, during the cutterhead assembling, it is qualified that very difficult assurance is once adjusted, and need to carry out match grinding to the axial location piece that guarantees axial dimension, but flat key and keyway are the mode of interference fit, and the dismounting difficulty is increased; After machine tool chief axis is left the flat key keyway, make on the main shaft damaged volume large, larger on the impact of main shaft integral rigidity, in the machine tool chief axis band movable knife disc rotation process, easily deform, machining accuracy is reduced, and it is low to affect service life of main shaft.
The utility model content
The utility model is used for solving the defective of above-mentioned prior art, provides a kind of assembly difficulty low, the string facing cutter mounting structure of cutterhead convenient disassembly.
The alleged problem of the utility model is solved by following technical scheme:
A kind of string facing cutter mounting structure, special feature is: it comprises machine tool chief axis and the cutter head assembly that is installed on the machine tool chief axis, each cutter head assembly is fixed through stay bolt and machine tool chief axis flange, described each cutter head assembly comprises that ring flange, cutterhead, trip bolt, straight pin and straight pin hold bolt tightly, ring flange is arranged on the cutterhead both sides, ring flange and cutterhead are fixed by trip bolt, and it is semicircular cylinder cotter way that the center hole wall of described ring flange is provided with the cross section, and straight pin is fixed in this groove; Be provided with vertically V-shaped groove on the described machine tool chief axis, machine tool chief axis be connected with ring flange with V-shaped groove by straight pin and connect.
Above-mentioned string facing cutter mounting structure, described ring flange is step, and its Correspondent cy linder cotter way place, minor diameter position is provided with holds bolt hole tightly, and a side of holding bolt hole tightly is provided with the bolt erecting bed; Correspondent cy linder cotter way place, ring flange minor diameter position radially is provided with straight pin and holds groove tightly, and straight pin is held groove tightly and is communicated with the cylinder cotter way; Be provided with the auxiliary deformation groove between ring flange minor diameter position and the major diameter position with centered by the cylinder cotter way, the groove depth direction of auxiliary deformation groove along ring flange radially, the groove width direction is axial along ring flange.
Above-mentioned string facing cutter mounting structure, the major diameter position end face of described ring flange is provided with anti-skidding reticulate pattern.
The groove width that above-mentioned string facing cutter mounting structure, described straight pin are held groove tightly is the 3.5-4.5 millimeter; The groove depth of described auxiliary deformation groove is 65-75 millimeter, groove width≤1 millimeter.
The utility model improves for the problem that existing string facing cutter adopts flat key and interference fit mounting structure to cause dismantling difficulty and reducing main axis stiffness, it improves main points: adopt the straight pin transmitting torque between ring flange and machine tool chief axis, and the distortion after the locking of dependence ring flange realizes the locking to straight pin 1.; 2. ring flange processes the groove and the reticulate pattern that increases coefficient of friction of easy realization distortion, by the moment of torsion transmission between frictional force realization ring flange and cutterhead.Above-mentioned improvement makes the cutterhead dismounting easily, is convenient to the adjustment of cutterhead position;
The V-type groove of processing on the machine tool chief axis replaces original flat key keyway, and the damaged volume of main shaft is reduced, and strengthens the main shaft rigidity, is conducive to improve machining accuracy, and the service life of raising main shaft is low.
Description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is the A-A cutaway view of Fig. 1;
Fig. 3 is the flange plate structure schematic diagram;
Fig. 4 is the B-B cutaway view of Fig. 3;
Fig. 5 is Fig. 4 I place partial enlarged view.
Attached number in the figure is expressed as follows: 1. machine tool chief axis flange; 2. machine tool chief axis; 2-1.V shape groove; 3. ring flange; 3-1. stay bolt hole; 3-2. trip bolt hole; 3-3. cylinder cotter way; 3-4. straight pin is held groove tightly; 3-5. hold bolt hole tightly; 3-6. bolt erecting bed; 3-7. auxiliary deformation groove; 3-8. anti-skidding reticulate pattern; 4. cutterhead; 5. trip bolt; 6. stay bolt; 7. straight pin; 8. bent axle; 9. straight pin is held bolt tightly.
The specific embodiment
Referring to Fig. 1-3, the utility model comprises machine tool chief axis 2 and five groups of cutter head assemblies that are installed on the machine tool chief axis, each cutter head assembly is fixing with machine tool chief axis flange 1 through four stay bolts 6, and each organizes the working position of the corresponding processed bent axle 8 of cutterhead 4 difference in the cutter head assembly.Described each cutter head assembly comprises that ring flange 3, cutterhead 4, trip bolt 5, straight pin 7 and straight pin hold bolt 9 tightly, ring flange is arranged on the cutterhead both sides, ring flange and cutterhead are fixing by trip bolt 5, the flange plate structure that is positioned at the cutterhead left and right sides is slightly different, be positioned on the ring flange in cutterhead left side trip bolt hole 3-2 is set, be positioned on the ring flange of cutterhead right side side counter sink is set.Except the close ring flange of machine tool chief axis flange in the leftmost side, being provided with cross section at the center of each ring flange hole wall is semicircular cylinder cotter way 3-3, and half one of straight pin 7 is fixed in this groove; Be provided with vertically V-shaped groove 2-1 on the described machine tool chief axis 2, columniform in addition half one is positioned at V-shaped groove 2-1, is connected with V-shaped groove by straight pin that machine tool chief axis is connected with ring flange and connects.Machine tool chief axis 2 replaces original flat key keyway with V-shaped groove, and the damaged volume of main shaft is reduced, and has strengthened the main shaft rigidity.
Referring to Fig. 3, Fig. 4, ring flange 3 is step (except the close ring flange of machine tool chief axis flange in the leftmost side), its Correspondent cy linder cotter way place, minor diameter position is provided with holds bolt hole 3-5 tightly, the axis of holding bolt hole tightly is vertical with the center line of cylinder cotter way, and a side of holding bolt hole tightly is provided with the easy-to-mount bolt erecting bed 3-6 that holds bolt 9 tightly.Correspondent cy linder cotter way place, ring flange minor diameter position radially is provided with straight pin and holds groove 3-4 tightly, and straight pin is held groove tightly and is communicated with cylinder cotter way 3-3, and the groove width that straight pin is held groove tightly is the 3.5-4.5 millimeter.Centered by the cylinder cotter way, be provided with auxiliary deformation groove 3-7 between ring flange minor diameter position and the major diameter position, the groove depth of auxiliary deformation groove is the 65-75 millimeter, the groove depth direction along ring flange radially, the groove width of auxiliary deformation groove≤1 millimeter, the groove width direction is axial along ring flange.Said structure is held bolt 9 tightly and is tightened after placing cylinder cotter way 3-3 with cylindrical 7, and it is fixing that the strain at dependence ring flange minor diameter position makes the cylinder cotter way that straight pin is held tightly.Uniform four stay bolt hole 3-1 and four trip bolt hole 3-2(or four counter sinks on the ring flange).
Referring to Fig. 3, Fig. 5, be the frictional force between raising ring flange and cutterhead, thereby improve the reliability that ring flange is connected with cutterhead, end face is provided with anti-skidding reticulate pattern 3-8 at the major diameter position of ring flange 3.
Still referring to Fig. 1, when the utility model used, cutterhead 4 was as a whole by 5 connections of four trip bolts with the ring flange 3 that is connected its both sides, relied on the frictional force transmitting torque of ring flange end face and cutterhead 4 binding faces, realized rotating synchronously.Ring flange 3 is held groove 3-4, auxiliary deformation groove 3-7 tightly by set cylinder cotter way 3-3, straight pin, hold the distortion that realizes self under the screwing force effect of bolt 9 tightly at straight pin, straight pin 7 is realized locking, the compactness that connects between assurance machine tool chief axis 2, straight pin 7, ring flange 3 threes realizes ring flange, cutterhead and machine tool chief axis synchronous rotary.Only need unclamp or tighten straight pin during the utility model dismounting cutterhead and hold bolt, stay bolt, trip bolt tightly and get final product, the connected mode dismounting of comparing former flat key interference fit is many easily.
Claims (4)
1. string facing cutter mounting structure, it is characterized in that: it comprises machine tool chief axis (2) and is installed in cutter head assembly on the machine tool chief axis, each cutter head assembly is fixing through stay bolt (6) and machine tool chief axis flange (1), described each cutter head assembly comprises ring flange (3), cutterhead (4), trip bolt (5), straight pin (7) and straight pin are held bolt (9) tightly, ring flange is arranged on the cutterhead both sides, ring flange and cutterhead are fixed by trip bolt, it is semicircular cylinder cotter way (3-3) that the center hole wall of described ring flange is provided with the cross section, and straight pin (7) is fixed in this groove; Be provided with vertically V-shaped groove (2-1) on the described machine tool chief axis (2), machine tool chief axis be connected with ring flange with V-shaped groove by straight pin and connect.
2. string facing cutter mounting structure according to claim 1, it is characterized in that: described ring flange (3) is step, its Correspondent cy linder cotter way place, minor diameter position is provided with holds bolt hole (3-5) tightly, and a side of holding bolt hole tightly is provided with bolt erecting bed (3-6); Correspondent cy linder cotter way place, ring flange minor diameter position radially is provided with straight pin and holds groove (3-4) tightly, and straight pin is held groove tightly and is communicated with cylinder cotter way (3-3); Be provided with auxiliary deformation groove (3-7) between ring flange minor diameter position and the major diameter position with centered by the cylinder cotter way, the groove depth direction of auxiliary deformation groove along ring flange radially, the groove width direction is axial along ring flange.
3. string facing cutter mounting structure according to claim 2, it is characterized in that: the major diameter position end face of described ring flange (3) is provided with anti-skidding reticulate pattern (3-8).
4. string facing cutter mounting structure according to claim 3, it is characterized in that: the groove width that described straight pin is held groove (3-4) tightly is the 3.5-4.5 millimeter; The groove depth of described auxiliary deformation groove (3-7) is 65-75 millimeter, groove width≤1 millimeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220555290 CN202877610U (en) | 2012-10-28 | 2012-10-28 | Installation structure for serial milling cutter disc |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220555290 CN202877610U (en) | 2012-10-28 | 2012-10-28 | Installation structure for serial milling cutter disc |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202877610U true CN202877610U (en) | 2013-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220555290 Expired - Fee Related CN202877610U (en) | 2012-10-28 | 2012-10-28 | Installation structure for serial milling cutter disc |
Country Status (1)
| Country | Link |
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| CN (1) | CN202877610U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103551644A (en) * | 2013-11-04 | 2014-02-05 | 无锡雨田精密工具有限公司 | Finish turning antiskid milling cutter |
| CN106041221A (en) * | 2016-08-12 | 2016-10-26 | 武汉钢铁股份有限公司 | Combined type tool for cutting tuyere second jacket of blast furnace |
| CN107175722A (en) * | 2017-06-13 | 2017-09-19 | 芜湖桑健电子科技有限公司 | Timber tonguing cutter has |
| CN107972186A (en) * | 2017-12-25 | 2018-05-01 | 北京北方车辆集团有限公司 | Processing method and combination forming milling cutter for rock wool decorative panel processing automatic line |
-
2012
- 2012-10-28 CN CN 201220555290 patent/CN202877610U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103551644A (en) * | 2013-11-04 | 2014-02-05 | 无锡雨田精密工具有限公司 | Finish turning antiskid milling cutter |
| CN106041221A (en) * | 2016-08-12 | 2016-10-26 | 武汉钢铁股份有限公司 | Combined type tool for cutting tuyere second jacket of blast furnace |
| CN106041221B (en) * | 2016-08-12 | 2019-07-12 | 武汉钢铁有限公司 | A kind of two sets of incisory modular cutting tool assemblies of blast-furnace tuyere |
| CN107175722A (en) * | 2017-06-13 | 2017-09-19 | 芜湖桑健电子科技有限公司 | Timber tonguing cutter has |
| CN107972186A (en) * | 2017-12-25 | 2018-05-01 | 北京北方车辆集团有限公司 | Processing method and combination forming milling cutter for rock wool decorative panel processing automatic line |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130417 Termination date: 20201028 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |