CN204912810U - Boring cutter head with rotary fixing device - Google Patents
Boring cutter head with rotary fixing device Download PDFInfo
- Publication number
- CN204912810U CN204912810U CN201520579803.7U CN201520579803U CN204912810U CN 204912810 U CN204912810 U CN 204912810U CN 201520579803 U CN201520579803 U CN 201520579803U CN 204912810 U CN204912810 U CN 204912810U
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- CN
- China
- Prior art keywords
- knife rest
- holddown groove
- boring
- locating slot
- cutterhead
- Prior art date
- 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 - Fee Related
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- 210000002421 cell wall Anatomy 0.000 claims description 8
- 238000009966 trimming Methods 0.000 claims description 7
- 238000009826 distribution Methods 0.000 claims description 6
- 230000013011 mating Effects 0.000 claims description 6
- 230000001154 acute effect Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 claims description 3
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 claims description 3
- 230000008859 change Effects 0.000 abstract description 4
- 230000006872 improvement Effects 0.000 abstract description 2
- 230000001737 promoting effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 6
- 238000005520 cutting process Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
Abstract
The utility model provides a boring cutter blade disc with rotatory fixing device, knife rest centre of a circle position still be equipped with the tang, the tang is a cylinder type through-hole, corresponds the spacing axle that boring head dabber terminal surface centre of a circle position set up, in spacing axle inserts the tang, still be provided with two constant head tanks on the knife rest, the constant head tank is the U type groove that central symmetry distributes with the tang as the axle center, and the opening direction in U type groove is opposite with the direction of rotation of knife rest inboard position that the constant head tank is close to the knife rest is provided with the boss b of U type structure, still is provided with two locating levers that have the pressure cap on the boring head dabber, and the locating lever position corresponds the setting. Boring cutter blade disc with rotatory fixing device, change the fixed mode of blade disc, saved the time and the step of dismouting blade disc, carried out simple improvement simultaneously on the basis of current blade disc, improved the work efficiency and the factor of safety of boring head, be worth promoting in industry.
Description
Technical field
The utility model relates to mechanical manufacturing field, is specially a kind of boring cutter cutterhead with rotary fixing device.
Background technology
In prior art, the fixed form of cutterhead is installed in boring head front end for processing tube blank inner wall, be with square seam and even number bolt, cutterhead is fixed on mandrel, when installation and removal, all need first bolt to be unloaded, horizontally outward firmly cutterhead is taken off again, waste time and energy, and square seam after used a period of time, due to the relation of wearing and tearing, the deviation that location can cause cutterhead to install, and this deviation can directly cause the cutter head on cutterhead to the processing effect of tube blank inner wall.
For processing the boring head of tube blank inner wall, the general bindiny mechanism all comprising cutterhead, mandrel, retainer and afterbody, existing cutterhead, usually can only install a cutter head, cutting diameter is regulated by adjusting bolt, and cutter head moves in a circle with cutterhead, tube blank inner wall is cut, cutterhead rotates a circle, and cutter head completes the cutting of a circle, and operating efficiency is relatively low.Cutterhead is provided with the holddown groove of fixing knife bar, in existing technology, orthogonal groove offered by holddown groove, knife bar is placed in holddown groove and is undertaken fastening by puller bolt, but boring cutter is when the work rapidly rotated, if puller bolt is slightly loosening, there is the knife bar slippage that certain risk makes in holddown groove, cause the accident.
Therefore, be badly in need of a kind of positional accuracy high and can Fast Installation dismounting, operating efficiency significantly improve and in use procedure safety and stability cutterhead.
Utility model content
The purpose of this utility model is to provide a kind of boring cutter cutterhead with rotary fixing device, by using the fixed mode of square seam and fastening bolt to change the fixed mode of circular seam and U-shaped locating slot into original cutterhead, realize technique effect that is quick and dismounting cutterhead, change quantity and the mode of cutterhead being fixed boring cutter simultaneously, cutterhead is made to rotate the repeatedly cutting that once can realize tube blank inner wall, and the connected mode improved between holddown groove and knife bar, make knife bar when cutterhead rapidly rotates, also the situation occurring slippage is not easy, improve security when lathe runs.
In order to solve existing cutterhead installing/dismounting inconvenience and cutterhead inefficiency, run the technical problem that there is security risk, the technical scheme that the utility model adopts is:
A kind of boring cutter cutterhead with rotary fixing device, comprise discoid knife rest and be connected to the boring cutter on knife rest, knife rest medial surface is fixed on boring head mandrel, lateral surface offers centrosymmetric boss a, boss a arranges multiple holddown groove, described boring cutter comprises knife bar and is connected to the cutter head of knife bar one end, one end of cutter head protrude knife rest outer diameter face and with knife rest synchronous rotary, and cutter head is arranged in same plane, described knife rest home position is also provided with seam, seam is a column type through hole, the limit shaft that corresponding boring head end face of mandrel home position is arranged, limit shaft inserts in seam, knife rest is also provided with two locating slots, described locating slot be with seam be axle center be centrosymmetric distribution U-type groove, the opening direction of U-type groove is contrary with the direction of rotation of knife rest, at described locating slot, the inner side of knife rest is provided with the boss b of U-shaped structure, boring head mandrel is also provided with two backstays with pressure cap, the corresponding locating slot in backstay position is arranged, the width in locating slot bottom boss b gap and the diameter of backstay match, one end of described backstay upper pressing cap is fastened on boss b, the other end screws in the screwed hole of boring head mandrel, by locating slot and backstay mating reaction to realize clamping knife rest, described locating slot and backstay be positioned at same with the center of seam for the center of circle circumferentially.
Described knife bar afterbody is plugged in holddown groove, holddown groove is the at right angles trapezoidal groove of cross section, described holddown groove medium dip cell wall and the angle of bottom land are acute angle, insert the shape of knife bar in holddown groove and the mating shapes of holddown groove, one end of puller bolt is through the vertical cell wall of holddown groove and the side held out against at knife bar, and one end of trimming bolt is through the sidewall of holddown groove and the tail end face held out against at knife bar; Described each group trimming bolt, puller bolt, holddown groove and boring cutter are all centrosymmetric distribution centered by the knife rest center of circle.
Described holddown groove, the angle of its inclination cell wall and bottom land is 80-85 °.
Compared with prior art, the utility model has following beneficial effect:
A kind of boring cutter cutterhead with rotary fixing device described in the utility model, one, by using the fixed mode of square seam and fastening bolt to change the fixed mode of circular seam and U-shaped locating slot into original cutterhead, eliminate the step of demounting bolt during dismounting cutterhead, simultaneously, the circular beater plate rotated adopts circular seam to position, improve the accuracy of location, square seam simultaneously before contrast, reduce the degree of wearing and tearing, after changing circular seam and U-shaped locating slot into, circular seam is only needed to pack in the limit shaft of mandrel central authorities during installation, rotating cutter-head again, U-shaped locating slot is stuck on the backstay that mandrel is arranged, the object of fixation cutter head can be realized, again because locating slot opening direction is contrary with the direction of rotation of cutterhead, ensure that cutterhead can not be deviate from when rotating along with mandrel, improve the security of equipment use.
They are two years old, by arranging the boring cutter of multiple arrangement that is centrosymmetric on cutterhead, achieve cutterhead to rotate once to the technique effect that tube blank inner wall repeatedly cuts, improve operating efficiency, improve the connected mode between holddown groove and knife bar, make knife bar when cutterhead rapidly rotates, be also not easy the situation occurring slippage, improve security when lathe runs.
The utility model changes the fixed form of cutterhead, saves time and the step of dismounting cutterhead, has carried out simple improvement simultaneously, improve operating efficiency and the safety coefficient of boring head on the basis of existing cutterhead, is worth in industry promoting.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of boring cutter cutterhead with rotary fixing device of the utility model;
Fig. 2 is a kind of end face of mandrel structural representation corresponding with the boring cutter cutterhead of rotary fixing device of the utility model;
Fig. 3 is locating slot and the backstay position relationship schematic diagram of a kind of boring cutter cutterhead with rotary fixing device of the utility model;
To be that the holddown groove of a kind of boring cutter cutterhead with rotary fixing device of the utility model and knife bar coupling part are perpendicular cut open structural representation to Fig. 4;
Mark in figure: 1, knife rest, 101, trimming bolt, 102, top bolt, 103, holddown groove, 2, boring cutter, 201, knife bar, 202, cutter head, 3, seam, 4, locating slot, 5, backstay, 501, pressure cap, 6, limit shaft.
Detailed description of the invention
Below in conjunction with accompanying drawing, by detailed description of the invention, the utility model is further described.
As shown in the figure, a kind of boring cutter cutterhead with rotary fixing device described in the utility model, the boring cutter 2 comprising discoid knife rest 1 and be connected on knife rest 1, knife rest 1 medial surface is fixed on boring head mandrel, lateral surface offers centrosymmetric boss a, lateral surface offers centrosymmetric boss a, the width of boss a is arranged according to actual needs, because cutterhead and accessory structure thereof are metal material, heavier mass, so cutterhead is comparatively difficult in the process of dismounting, be provided with boss a, make whole cutterhead in the process of handling, more convenient and swift, boss a is arranged multiple holddown groove 103, described boring cutter 2 comprises knife bar 201 and is connected to the cutter head 202 of knife bar 201 one end, one end of cutter head 202 protrude knife rest 1 outer diameter face and with knife rest 1 synchronous rotary, and cutter head 202 is arranged in same plane, described knife rest 1 home position is also provided with seam 3, seam 3 is a column type through hole, the limit shaft 6 that corresponding boring head end face of mandrel home position is arranged, limit shaft 6 inserts in seam 3, knife rest 1 is also provided with two locating slots 4, described locating slot 4 be with seam 3 for axle center be centrosymmetric distribution U-type groove, the opening direction of U-type groove is contrary with the direction of rotation of knife rest 1, at described locating slot 4, the inner side of knife rest 1 is provided with the boss b of U-shaped structure, boring head mandrel is also provided with two backstays 5 with pressure cap 501, the corresponding locating slot 4 in backstay 5 position is arranged, the width in locating slot 4 bottom boss b gap and the diameter of backstay 5 match, one end of described backstay 5 upper pressing cap 501 is fastened on boss b, the other end screws in the screwed hole of boring head mandrel, by locating slot 4 and backstay 5 mating reaction to realize clamping knife rest 1, described locating slot 4 and backstay 5 be positioned at same with the center of seam 3 for the center of circle circumferentially.
During practical operation, first the circular seam 3 at knife rest 1 center is aimed at the locating shaft 6 at mandrel center, then be center of circle rotating turret 1 with locating shaft 6, on knife rest 1 two locating slots 4 are made to be fastened on the backstay 5 of mandrel, because locating slot 4 inwall is provided with boss b, then backstay 5 is while clamping locating slot 4, pressure cap 501 on backstay 5 is fastened on the upper surface of boss b, thus knife rest 1 is stuck on end face of mandrel accurately, and because the opening direction of locating slot 4 is contrary with the rotation direction of mandrel, so when mandrel band movable knife rack 1 rotates, knife rest 1 is rigidly mounted can not slippage on mandrel.
Described knife bar 201 afterbody is plugged in holddown groove 103, holddown groove 103 is the at right angles trapezoidal groove of cross section, described holddown groove 103 medium dip cell wall and the angle of bottom land are acute angle, optimized angle is 80-85 °, wherein with 85 ° of optimums, insert the shape of knife bar 201 in holddown groove 103 and the mating shapes of holddown groove 103, one end of puller bolt 102 through holddown groove 103 vertical cell wall and hold out against in the side of knife bar 201, one end of trimming bolt 101 is through the sidewall of holddown groove 103 and the tail end face held out against at knife bar 201; Described each group trimming bolt 101, puller bolt 102, holddown groove 103 and boring cutter 2 are all centrosymmetric distribution centered by knife rest 1 center of circle, guarantee that cutterhead keeps balance in the process rotated, wearing and tearing can not be produced because of the cheap of centrifugal force, and cutter head 202 is positioned at same plane, namely a cutter head is only had to carry out the cutting plane processed before, the multiple cutter head of present use cuts, and cutting rate significantly improves, and quality is also better comparatively before.
Claims (3)
1. the boring cutter cutterhead with rotary fixing device, comprise discoid knife rest (1) and be connected to the boring cutter (2) on knife rest (1), knife rest (1) medial surface is fixed on boring head mandrel, lateral surface offers centrosymmetric boss a, boss a is arranged multiple holddown groove (103), described boring cutter (2) comprises knife bar (201) and is connected to the cutter head (202) of knife bar (201) one end, one end of cutter head (202) protrude knife rest (1) outer diameter face and with knife rest (1) synchronous rotary, and cutter head (202) is arranged in same plane, it is characterized in that: described knife rest (1) home position is also provided with seam (3), seam (3) is a column type through hole, the limit shaft (6) that corresponding boring head end face of mandrel home position is arranged, limit shaft (6) inserts in seam (3), knife rest (1) is also provided with two locating slots (4), described locating slot (4) be with seam (3) for axle center be centrosymmetric distribution U-type groove, the opening direction of U-type groove is contrary with the direction of rotation of knife rest (1), the boss b of U-shaped structure is provided with at the inner side of the close knife rest (1) of described locating slot (4), boring head mandrel is also provided with two backstays with pressure cap (501) (5), the corresponding locating slot (4) in backstay (5) position is arranged, the width in locating slot (4) bottom boss b gap and the diameter of backstay (5) match, one end of described backstay (5) upper pressing cap (501) is fastened on boss b, the other end screws in the screwed hole of boring head mandrel, by locating slot (4) and backstay (5) mating reaction to realize clamping knife rest (1), described locating slot (4) and backstay (5) be positioned at the same center with seam (3) be the center of circle circumferentially.
2. a kind of boring cutter cutterhead with rotary fixing device as claimed in claim 1, it is characterized in that: described knife bar (201) afterbody is plugged in holddown groove (103), holddown groove (103) is the at right angles trapezoidal groove of cross section, described holddown groove (103) medium dip cell wall and the angle of bottom land are acute angle, insert the shape of knife bar (201) in holddown groove (103) and the mating shapes of holddown groove (103), one end of puller bolt (102) is through the vertical cell wall of holddown groove (103) and the side held out against in knife bar (201), one end of trimming bolt (101) is through the sidewall of holddown groove (103) and the tail end face held out against in knife bar (201), described each group trimming bolt (101), puller bolt (102), holddown groove (103) and boring cutter (2) are all centrosymmetric distribution centered by knife rest (1) center of circle.
3. a kind of boring cutter cutterhead with rotary fixing device as claimed in claim 2, it is characterized in that: described holddown groove (103), the angle of its inclination cell wall and bottom land is 80-85 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520579803.7U CN204912810U (en) | 2015-08-05 | 2015-08-05 | Boring cutter head with rotary fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520579803.7U CN204912810U (en) | 2015-08-05 | 2015-08-05 | Boring cutter head with rotary fixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204912810U true CN204912810U (en) | 2015-12-30 |
Family
ID=54961994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520579803.7U Expired - Fee Related CN204912810U (en) | 2015-08-05 | 2015-08-05 | Boring cutter head with rotary fixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204912810U (en) |
-
2015
- 2015-08-05 CN CN201520579803.7U patent/CN204912810U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151230 Termination date: 20160805 |