CN211135569U - Blade mounting structure of lathe tool - Google Patents
Blade mounting structure of lathe tool Download PDFInfo
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- CN211135569U CN211135569U CN201922191987.0U CN201922191987U CN211135569U CN 211135569 U CN211135569 U CN 211135569U CN 201922191987 U CN201922191987 U CN 201922191987U CN 211135569 U CN211135569 U CN 211135569U
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- blade
- mounting groove
- mounting structure
- cutter arbor
- screw
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Abstract
The utility model belongs to the technical field of the technique of cutter and specifically relates to a blade mounting structure of lathe tool is related to, its technical scheme main points are: including the cutter arbor and set up in the tool bit of cutter arbor one end, the mounting groove has been seted up to one side of the upper surface of tool bit, two relative cell walls of mounting groove all are the slope setting, contained angle between the cell wall of mounting groove and the tank bottom of mounting groove is the acute angle, be provided with the blade in the mounting groove, the lateral wall of blade and the cell wall butt of mounting groove are provided with between blade and the cutter arbor and are used for fixing the fixed subassembly on the cutter arbor with the blade, this blade mounting structure has the effect that improves blade stability.
Description
Technical Field
The utility model belongs to the technical field of the technique of cutter and specifically relates to a blade mounting structure of lathe tool is related to.
Background
The turning tool is a tool used in turning, during the turning process, the turning tool cuts a rotating workpiece to change the shape and size of a workpiece blank, the turning tool plays an important role in the turning process, and most of workpieces with rotating surfaces can be machined by a turning method.
At present, chinese patent document with publication number CN205110830U discloses a novel turning tool, the key points of the technical scheme include: the cutting tool comprises a tool bar and a rhombic blade, wherein a tool bit is arranged at the front end of the tool bar, a rhombic blade mounting groove is formed in the upper surface of the tool bit, one end of the rhombic blade is mounted in the rhombic blade mounting groove, a main cutting edge and an auxiliary cutting edge are respectively arranged on two adjacent side edges of the rhombic blade, and the rhombic blade is fixed to the tool bar through a bolt.
However, in the process of cutting a workpiece by the turning tool, the tool bit is prone to vibration under the action of force, the blade is usually fixed in the blade mounting groove through a bolt, the stability of the blade is poor, and the blade is prone to loosening in the cutting process, so that improvement is needed.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a blade mounting structure of lathe tool, this blade mounting structure have the effect that improves blade stability.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a blade mounting structure of lathe tool, includes the cutter arbor and sets up in the tool bit of cutter arbor one end, the mounting groove has been seted up to one side of the upper surface of tool bit, two relative cell walls of mounting groove all are the slope setting, the cell wall of mounting groove with contained angle between the tank bottom of mounting groove is the acute angle, be provided with the blade in the mounting groove, the lateral wall of blade with the cell wall butt of mounting groove, the blade with be provided with between the cutter arbor and be used for with the blade is fixed subassembly on the cutter arbor.
Through adopting above-mentioned technical scheme, fixed subassembly fixes the blade in the mounting groove, and simultaneously, the contained angle between the cell wall of mounting groove and the tank bottom is the acute angle, so make two cell wall homogeneous phases that the mounting groove is relative be the slope setting for the tank bottom, the open-top portion's of mounting groove area is less than the groove bottom area, and the cell wall of mounting groove and the lateral wall butt of blade, the mounting groove supports the blade tightly in the mounting groove for the blade is difficult for the pine to take off in the mounting groove, has further promoted the stability of blade.
The utility model discloses further set up to: two relative cell walls of mounting groove certainly the one end orientation at tool bit place is kept away from the one end of tool bit is the binding off setting.
Through adopting above-mentioned technical scheme, two relative cell walls of mounting groove are the setting of closing up for the blade obtains the direction of the cell wall on the mounting groove, thereby the blade conveniently inserts in the mounting groove.
The utility model discloses further set up to: the fixed subassembly is including seting up in the screw hole of tool bit and threaded connection in the screw hole's screw, run through on the blade and be provided with the confession the perforation that the screw passed.
Through adopting above-mentioned technical scheme, the fixed mode of screw makes the blade can follow and fixes on the cutter arbor, and in the cutting process, the blade is difficult not hard up.
The utility model discloses further set up to: the screw is a hexagon socket countersunk head screw.
Through adopting above-mentioned technical scheme, the overall dimension of cutter is less, and hexagon socket head cap countersunk screw is fit for constrictive installation occasion, has satisfied the operation requirement, and simultaneously, hexagon socket head cap countersunk screw has the fastening of being convenient for and is difficult to advantages such as slip angle, has satisfied the operating mode well.
The utility model discloses further set up to: the through hole is a countersunk hole matched with the inner hexagonal countersunk head screw.
By adopting the technical scheme, the head of the inner hexagonal countersunk head screw is accommodated in the countersunk hole by the countersunk hole, so that the surface of the blade is smooth.
The utility model discloses further set up to: the blade is kept away from one side of cutter arbor is equidistant to be provided with a plurality of cutting portion, cutting portion includes the main cutting edge and is located respectively the vice cutting edge of main cutting edge both sides, the vice cutting edge is the slope setting.
By adopting the technical scheme, the plurality of cutting parts can play a role of simultaneously cutting a plurality of grooves, and the cutting requirement of a specific workpiece is met.
The utility model discloses further set up to: the surface of the cutter bar is provided with an accommodating groove communicated with the mounting groove, and one end of the blade, which is far away from the cutting part, is positioned in the accommodating groove.
Through adopting above-mentioned technical scheme, at the in-process of blade cutting work piece, the one end that the cutting portion was kept away from to the blade can receive the cell wall extrusion force of mounting groove usually, thereby causes the wearing and tearing of blade to influence the installation location of blade, has seted up the holding tank, has reduced the wearing and tearing that the cutting portion one end was kept away from to the blade.
The utility model discloses further set up to: the cutting part and the body of the blade are in arc transition.
Through adopting above-mentioned technical scheme, the circular arc transition can increase the joint strength between cutting portion and the blade body between cutting portion and the body of blade.
To sum up, the utility model discloses a beneficial technological effect does:
1. the two opposite groove walls of the mounting groove are obliquely arranged relative to the groove bottom, so that the blade is tightly propped against the mounting groove by the mounting groove, the blade is not easy to loosen from the mounting groove, and the stability of the blade is further improved;
2. two relative cell walls of mounting groove are the binding off setting for the blade conveniently inserts the in-process of mounting groove and obtains the direction of the cell wall on the mounting groove, fixes a position the mounted position of blade more easily.
Drawings
Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;
fig. 2 is a schematic view of an assembly relationship in a first embodiment of the present invention;
fig. 3 is a schematic structural diagram of a blade according to a first embodiment of the present invention;
fig. 4 is a schematic view of another perspective structure of a blade according to a first embodiment of the present invention;
fig. 5 is a schematic structural diagram in the second embodiment of the present invention.
In the figure, 1, a cutter bar; 11. a cutter head; 2. mounting grooves; 21. a trench wall; 22. the bottom of the tank; 3. a blade; 31. a cutting portion; 311. a main cutting edge; 312. a secondary cutting edge; 32. perforating; 4. a containing groove; 5. a threaded hole; 6. a screw; 7. a magnet.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment is as follows: referring to fig. 1 and 2, for the utility model discloses a blade mounting structure of lathe tool, including cutter arbor 1 and set up in the tool bit 11 of cutter arbor 1 one end, cutter arbor 1 is the cuboid form, and mounting groove 2 has been seted up to one side of the upper surface of tool bit 11, and mounting groove 2 is respectively at the upper surface of cutter arbor 1 and the lateral wall department opening of cutter arbor 1, and mounting groove 2 is used for supplying blade 3 to provide the mounted position, and mounting groove 2 plays the effect of supporting blade 3 tight simultaneously.
Referring to fig. 2 and 3, specifically, an included angle between the groove wall 21 of the mounting groove 2 and the groove bottom 22 of the mounting groove 2 is an acute angle, and in this embodiment, the included angle is 80 °, so that the two opposite groove walls 21 of the mounting groove 2 are both arranged in an inclined manner, and the area of the opening at the top of the mounting groove 2 is smaller than the area of the groove bottom 22. The installation groove 2 is provided with the blade 3, one side of the blade 3 away from the cutter bar 1 is provided with a plurality of cutting parts 31 for cutting a workpiece at equal intervals, in the embodiment, the number of the cutting parts 31 is 4, and the plurality of cutting parts 31 can play a role of cutting a plurality of grooves simultaneously. Each cutting portion 31 includes a main edge 311 and sub-edges 312 respectively located at two sides of the main edge 311, and the sub-edges 312 are inclined with respect to the main edge 311, so that the main edge 311 and the sub-edges 312 form a cutting edge, and the vibration of the blade 3 can be reduced during cutting. In addition, the cutting part 31 and the body of the blade 3 are in circular arc transition, so that the connection strength between the cutting part 31 and the body of the blade 3 is increased.
The body of the insert 3 here means the body of the insert 3 excluding the cutting portion 31.
Referring to fig. 3 and 4, the lateral wall of blade 3 is the slope setting, and the lateral wall inclination angle of blade 3 is unanimous with the inclination angle of contained angle, and the lateral wall of blade 3 and two relative cell walls 21 butts of mounting groove 2 (combine fig. 2), so make blade 3 and mounting groove 2 looks adaptation, two relative cell walls 21 of slope make mounting groove 2 support blade 3 tightly in mounting groove 2 for blade 3 is difficult for taking off in mounting groove 2.
Referring to fig. 2 and 3, two opposite slot walls 21 of the mounting groove 2 are closed up from the one end where the tool bit 11 of the tool bar 1 is located toward the one end far away from the tool bit 11, and correspondingly, the body of the blade 3 is closed up, and in the process of placing the blade 3 into the mounting groove 2, the two slot walls 21 that are closed up make the blade 3 obtain the guide of the slot walls 21 on the mounting groove 2, so that the blade 3 is conveniently inserted into the mounting groove 2.
Referring to fig. 1 and 2, the upper surface of the cutter bar 1 is provided with a containing groove 4 communicated with the mounting groove 2, specifically, the containing groove 4 is communicated with the receiving end of the mounting groove 2, one end of the blade 3 far away from the cutting part 31 is located in the containing groove 4, and the containing groove reduces the abrasion of one end of the blade 3 far away from the cutting part 31.
Referring to fig. 1 and 2, a fixing assembly for fixing the blade 3 to the tool holder 1 is provided between the blade 3 and the tool holder 1. Wherein, fixed subassembly is including seting up in the screw hole 5 of tool bit 11 and threaded connection in the screw 6 of screw hole 5, and screw 6 is socket head cap countersunk screw, because the whole size of cutter is less, and socket head cap countersunk screw is fit for constrictive installation occasion, has satisfied operation requirement. Meanwhile, the threaded hole 5 is located at the bottom 22 of the mounting groove 2, a through hole 32 for an inner hexagonal countersunk head screw to pass through is arranged on the blade 3 in a penetrating manner, the through hole 32 is a countersunk hole matched with the inner hexagonal countersunk head screw, and the countersunk hole enables the head of the inner hexagonal countersunk head screw to be accommodated in the countersunk hole, so that the surface of the blade 3 is smooth. On the one hand, make blade 3 fix on the tool bit 11 of cutter arbor 1 through hexagon socket head countersunk screw, in the cutting process, blade 3 is difficult not hard up, and on the other hand takes off hexagon socket head countersunk screw in screw hole 5, can realize the unblock of blade 3 for tool bit 11 to make blade 3 removable.
Example two: referring to fig. 5, the difference between the first embodiment and the second embodiment is that a magnet 7 is installed in the accommodating groove 4, the magnet 7 is an alnico magnet, and the alnico magnet has the advantage of high remanence, when the blade 3 is installed on the tool bit 11, one side of the blade 3 abuts against the magnet 7, and the magnet 7 applies an attractive force to the blade 3, so that the blade 3 is more stable.
The above embodiments are merely illustrative of the present invention, and are not intended to limit the present invention, and those skilled in the art can make modifications of the present embodiments without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent law within the scope of the present invention.
Claims (8)
1. The utility model provides a blade mounting structure of lathe tool, includes cutter arbor (1) and sets up in tool bit (11) of cutter arbor (1) one end, its characterized in that: mounting groove (2) have been seted up to one side of the upper surface of tool bit (11), two relative cell walls (21) of mounting groove (2) all are the slope setting, cell wall (21) of mounting groove (2) with contained angle between tank bottom (22) of mounting groove (2) is the acute angle, be provided with blade (3) in mounting groove (2), the lateral wall of blade (3) with cell wall (21) butt of mounting groove (2), blade (3) with be provided with between cutter arbor (1) and be used for with blade (3) are fixed subassembly on cutter arbor (1).
2. The insert mounting structure of a turning tool according to claim 1, wherein: two relative cell walls (21) of mounting groove (2) certainly the one end orientation at tool bit (11) place is kept away from the one end of tool bit (11) is the setting of binding off.
3. The insert mounting structure of a turning tool according to claim 1, wherein: the fixing assembly comprises a threaded hole (5) formed in the cutter head (11) and a screw (6) in threaded connection with the threaded hole (5), and a through hole (32) for the screw (6) to penetrate through is formed in the blade (3).
4. The insert mounting structure of a turning tool according to claim 3, wherein: the screw (6) is an inner hexagonal countersunk head screw.
5. The insert mounting structure of a turning tool according to claim 4, wherein: the through hole (32) is a countersunk hole matched with the inner hexagonal countersunk head screw.
6. The insert mounting structure of a turning tool according to claim 1, wherein: the utility model discloses a cutter arbor (1) for the cutting edge, including blade (3) keep away from one side equidistant a plurality of cutting portion (31) of cutter arbor (1), cutting portion (31) include main blade (311) and are located respectively vice blade (312) of main blade (311) both sides, vice blade (312) are the slope setting.
7. The insert mounting structure of a turning tool according to claim 6, wherein: the surface of the cutter bar (1) is provided with a containing groove (4) communicated with the mounting groove (2), and one end of the blade (3) far away from the cutting part (31) is positioned in the containing groove (4).
8. The insert mounting structure of a turning tool according to claim 6, wherein: the cutting part (31) and the body of the blade (3) are in arc transition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922191987.0U CN211135569U (en) | 2019-12-09 | 2019-12-09 | Blade mounting structure of lathe tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922191987.0U CN211135569U (en) | 2019-12-09 | 2019-12-09 | Blade mounting structure of lathe tool |
Publications (1)
| Publication Number | Publication Date |
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| CN211135569U true CN211135569U (en) | 2020-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922191987.0U Active CN211135569U (en) | 2019-12-09 | 2019-12-09 | Blade mounting structure of lathe tool |
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| CN (1) | CN211135569U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114309685A (en) * | 2022-01-25 | 2022-04-12 | 东莞市国瑞切削工具有限公司 | Turning tool |
-
2019
- 2019-12-09 CN CN201922191987.0U patent/CN211135569U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114309685A (en) * | 2022-01-25 | 2022-04-12 | 东莞市国瑞切削工具有限公司 | Turning tool |
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