CN220993029U - High-precision thread milling cutter - Google Patents
High-precision thread milling cutter Download PDFInfo
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- CN220993029U CN220993029U CN202322563942.8U CN202322563942U CN220993029U CN 220993029 U CN220993029 U CN 220993029U CN 202322563942 U CN202322563942 U CN 202322563942U CN 220993029 U CN220993029 U CN 220993029U
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- connecting rod
- sliding sleeve
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- cutter
- milling cutter
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- 238000003801 milling Methods 0.000 title claims abstract description 72
- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 238000005520 cutting process Methods 0.000 claims abstract description 20
- 238000009434 installation Methods 0.000 claims abstract description 10
- 230000036346 tooth eruption Effects 0.000 claims description 11
- 230000000694 effects Effects 0.000 abstract description 15
- 238000003754 machining Methods 0.000 description 3
- 230000002349 favourable effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of milling cutters, in particular to a high-precision thread milling cutter which comprises a cutter handle, a cutter holder, a connecting rod, a mounting mechanism and a cutting mechanism, wherein the cutter holder is arranged on the cutter handle; the connecting rod is arranged at one end of the cutter handle, the cutter seat is positioned at one side of the connecting rod, the mounting mechanism is positioned between the cutter seat and the connecting rod, and the cutting mechanism is positioned at one end of the cutter handle away from the connecting rod; the installation mechanism comprises a connecting sleeve, a sliding sleeve, a tight supporting component and a limiting component, the tight supporting component is arranged, when the sliding sleeve is screwed with the connecting sleeve, the connecting rod can be inserted into the connecting sleeve, meanwhile, the sliding sleeve is screwed continuously, the oblique block can be inserted into the chute and tightly supports the connecting sleeve, the connecting sleeve can be tightly attached to the sliding sleeve, the phenomenon of sliding wire is difficult to occur between the connecting sleeve and the sliding sleeve, the fixing effect is good, the fixing effect of the cutter handle is good, the cutter handle is difficult to deviate when the cutter handle rotates at a high speed, and the precision of the milling cutter during processing is improved.
Description
Technical Field
The utility model relates to the technical field of milling cutters, in particular to a high-precision thread milling cutter.
Background
Milling tools are rotary tools for milling machining having one or more cutter teeth. When in operation, each cutter tooth cuts off the allowance of the workpiece intermittently in sequence. Milling cutters are mainly used for machining planes, steps, grooves, forming surfaces, cutting workpieces, etc. on milling machines.
The Chinese patent publication No. CN210548381U discloses a high-precision milling cutter, which comprises a sleeve, the top fixedly connected with blade holder of telescopic, and telescopic inside activity cup joints the milling cutter body, telescopic bottom passes through fixed establishment and milling cutter body's side fixed connection, and telescopic inside passes through clamping mechanism and milling cutter body's side fixed connection, milling cutter body's top fixed mounting has the fixture block, the fixture block activity cup joints in the inside of draw-in groove, the inside at the blade holder is seted up to the draw-in groove, the movable groove has been seted up to the inside of blade holder, the inside activity in movable groove has cup jointed the screw rod.
When the high-precision milling cutter is installed, firstly, the milling cutter body is inserted into the sleeve, the movable spring is utilized to realize preliminary propping, then the screw rod penetrates through the clamping block to realize secondary limiting, finally, the two fixing blocks are utilized to realize tertiary propping, and then the fixing of the milling cutter body is realized, so that the milling cutter body is more in installation steps, time and labor are wasted during installation, and the disassembly and assembly efficiency is low;
The screw rod passes the fixture block setting, does not set up positioning mechanism between screw rod and the fixture block, can only realize spacing to milling cutter body one end, and the other end relies on tightly to realize pressing from both sides tightly, so, when milling cutter high-speed rotation, the dead one end of unblock easily produces the slippage, easily causes the milling cutter body to take place the skew around the axis of screw pole, and fixed effect is poor, leads to when using, and the stable effect of milling cutter body is not good, influences the precision of milling cutter body, to above-mentioned problem, improves a high accuracy thread milling cutter now.
Disclosure of utility model
The present utility model is directed to a high precision thread milling cutter that solves the problems set forth in the background art.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
The high-precision thread milling cutter comprises a cutter handle, a cutter seat, a connecting rod, a mounting mechanism and a cutting mechanism;
The connecting rod is arranged at one end of the cutter handle, the cutter seat is positioned at one side of the connecting rod, the mounting mechanism is positioned between the cutter seat and the connecting rod, and the cutting mechanism is positioned at one end of the cutter handle away from the connecting rod;
The installation mechanism comprises a connecting sleeve, a sliding sleeve, a propping component and a limiting component, wherein the connecting sleeve is fixed on the surface of the tool apron, one end of the connecting rod is inserted into the middle of the connecting sleeve, an external thread is arranged on the outer surface of the connecting sleeve, the sliding sleeve is sleeved on the outer side of the connecting sleeve, an internal thread matched with the external thread is arranged on the inner wall of the sliding sleeve, the propping component is located on the inner side of the sliding sleeve, and the limiting component is located on the outer side of the sliding sleeve.
As a further scheme of the utility model: the cutting mechanism comprises a discharge groove, four milling edges and a plurality of cutting teeth, wherein the four milling edges are fixed at one end of the cutter handle, the surfaces of the four milling edges are provided with the plurality of cutting teeth, and the discharge groove is formed between the four milling edges and the plurality of cutting teeth.
As a further scheme of the utility model: the tight subassembly of support includes pushing part, chute and sloping block, and one side that the blade holder was kept away from to the adapter sleeve is equipped with the chute, and the outside cover of connecting rod is equipped with sloping block and chute matched with sloping block, and the sloping block slides and sets up on the connecting rod, and the lateral wall of sloping block offsets tightly with the inside wall of chute, and the one end that the blade holder was kept away from to the sloping block is equipped with pushing part, and pushing part is fixed in on the connecting rod, and the sloping block is close to pushing part's one end and pushing part looks butt, pushing part's outer wall and the inner wall fixed connection of slip cap.
As a further scheme of the utility model: the limiting assembly comprises an outer ring, a plurality of counter bores and a plurality of positioning components, the outer ring is positioned on the outer side of the sliding sleeve, one end of the outer ring is fixedly connected with the tool apron, the counter bores are equidistantly formed in the surface of the outer ring, and each positioning component is positioned in one counter bore.
As a further scheme of the utility model: each positioning component comprises a positioning hole, a perforation, a positioning rod, a pulling plate and two springs;
The perforation is located one side of counter bore and communicates with the counter bore, and the locating hole is located one side of perforation and sets up in the surface of slip cap, and the locating lever slides and sets up in the inside of perforation, and the inside of locating hole is located in the one end of locating lever, and the pulling plate is fixed in the other end of locating lever, and two springs symmetry set up in the both sides of locating lever, and the both ends of every spring are respectively with pulling plate, counter bore fixed connection.
As a further scheme of the utility model: one side of the locating rod, which is located at one end of the locating hole and is far away from the tool apron, is provided with a chamfer.
Compared with the prior art, the utility model has the beneficial effects that:
1. According to the high-precision thread milling cutter, the abutting component is arranged, the connecting rod can be inserted into the connecting sleeve in the screwing process of the sliding sleeve and the connecting sleeve, and meanwhile, the inclined block can be inserted into the chute and continuously abuts against the connecting sleeve along with the continuous screwing of the sliding sleeve, so that the connecting sleeve can be tightly attached to the sliding sleeve, the phenomenon of sliding wire is not easy to occur between the connecting sleeve and the sliding sleeve, the fixing effect is good, the fixing effect of the cutter handle is good, the cutter handle is not easy to deviate during high-speed rotation, and the precision of the milling cutter during processing is improved.
2. According to the high-precision thread milling cutter, the positioning mechanism is arranged, the positioning rod and the positioning hole are clamped with each other, so that the sliding sleeve can be positioned again, after the sliding sleeve is screwed, the positioning rod can be clamped into the outer thread, the sliding sleeve and the cutter holder can be connected and fixed again, the cutter handle can be fixed again, the stability of the cutter handle during installation is improved, the fixing effect of the cutter handle is further improved, the working precision of the milling cutter can be further improved, and the high-precision thread milling cutter is convenient to use.
3. According to the high-precision thread milling cutter, when the milling cutter is installed, the sliding sleeve is directly screwed to the surface of the connecting sleeve, so that threaded connection between the connecting sleeve and the sliding sleeve is realized, the milling cutter can be installed and fixed, the installation steps are fewer, time and labor are saved during installation, and the disassembly and assembly efficiency of the milling cutter is improved.
4. According to the high-precision thread milling cutter, the four milling edges are arranged at one end of the cutter handle, when the cutter handle rotates, the milling edges can be used for cutting the bottom hole on the surface of a workpiece, along with the penetration of the milling edges, the cutting teeth can be used for cutting threads on the inner wall of the bottom hole, and the cut chips can be discharged through the discharge groove, so that a needed threaded hole can be cut directly in the whole cutting process, tool changing is not needed, and the processing efficiency is improved.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a front view of the present utility model.
Fig. 3 is a cross-sectional view of the mounting mechanism of the present utility model.
Fig. 4 is an enlarged schematic view of the portion a of fig. 3 according to the present utility model.
Fig. 5 is an enlarged schematic view of the portion B of fig. 3 according to the present utility model.
Wherein: 11. a knife handle; 12. milling the edge; 13. cutting teeth; 14. a discharge chute; 15. a tool apron; 16. a connecting rod; 17. connecting sleeves; 18. an external thread; 19. a sliding sleeve; 20. an internal thread; 21. a chute; 22. a sloping block; 23. a pushing part; 24. an outer ring; 25. countersink; 26. penetrating; 27. a positioning rod; 28. positioning holes; 29. a spring; 30. pulling the plate.
Detailed Description
The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.
The present utility model provides the following preferred embodiments:
1-5, a high-precision thread milling cutter comprises a cutter handle 11, a cutter holder 15, a connecting rod 16, a mounting mechanism and a cutting mechanism;
The connecting rod 16 is arranged at one end of the tool holder 11, the tool apron 15 is positioned at one side of the connecting rod 16, the mounting mechanism is positioned between the tool apron 15 and the connecting rod 16, the cutting mechanism is positioned at one end of the tool holder 11 far away from the connecting rod 16, the mounting mechanism is used for connecting the tool apron 15 and the connecting rod 16, and then the connection between the tool holder 11 and the milling cutter can be realized, and the cutting mechanism is used for cutting on a workpiece;
The mounting mechanism comprises a connecting sleeve 17, a sliding sleeve 19, a propping component and a limiting component, wherein the connecting sleeve 17 is fixed on the surface of the tool apron 15, one end of a connecting rod 16 is inserted in the middle of the connecting sleeve 17, an external thread 18 is arranged on the outer surface of the connecting sleeve 17, the sliding sleeve 19 is sleeved on the outer side of the connecting sleeve 17, an internal thread 20 matched with the external thread 18 is arranged on the inner wall of the sliding sleeve 19, the propping component is positioned on the inner side of the sliding sleeve 19, and the limiting component is positioned on the outer side of the sliding sleeve 19;
When installing handle of a knife 11, utilize the screw-thread fit between external screw thread 18 and the internal screw thread 20, can revolve sliding sleeve 19 to the adapter sleeve 17 outside, the tip of connecting rod 16 can insert the middle part of adapter sleeve 17 this moment, realize preliminary connection between connecting rod 16 and the blade holder 15, simultaneously when screwing, support tight subassembly can realize supporting between adapter sleeve 17 and the sliding sleeve 19 tightly, reduce the condition that appears the sliding wire between adapter sleeve 17 and the sliding sleeve 19, improve fixed effect, make milling cutter installation fixed effect good, be difficult for appearing not hard up, after the sliding sleeve 19 screws to adapter sleeve 17, utilize spacing subassembly can realize the spacing to sliding sleeve 19, further guarantee the stability of sliding sleeve 19, make difficult and the adapter sleeve 17 between take place not hard up, and then guaranteed the stability of milling cutter and then be favorable to improving the precision when this milling cutter processing.
As shown in fig. 1 to 5, the cutting mechanism comprises a discharge groove 14, four milling edges 12 and a plurality of cutting teeth 13, wherein the four milling edges 12 are fixed at one end of the cutter handle 11, the surfaces of the four milling edges 12 are provided with the plurality of cutting teeth 13, and the discharge groove 14 is formed between the four milling edges 12 and the plurality of cutting teeth 13;
Through setting up four milling edges 12 in the one end of handle of a knife 11, when handle of a knife 11 is rotatory, utilize milling edge 12 to cut out a bottom hole on the surface of work piece, along with milling edge 12 go deep, utilize cutting tooth 13 to cut out the screw thread on the inner wall of bottom hole, and the piece of cutting out can discharge through discharge groove 14, can directly cut out the screw hole of required in whole cutting process, need not the tool change, be favorable to improving machining efficiency.
As shown in fig. 1-5, the abutting component comprises a pushing part 23, a chute 21 and an inclined block 22, the chute 21 is arranged on one side of the connecting sleeve 17 far away from the tool apron 15, the inclined block 22 matched with the chute 21 is sleeved on the outer side of the connecting rod 16, the inclined block 22 is slidably arranged on the connecting rod 16, the outer side wall of the inclined block 22 abuts against the inner side wall of the chute 21, one end of the inclined block 22 far away from the tool apron 15 is provided with the pushing part 23, the pushing part 23 is fixed on the connecting rod 16, one end of the inclined block 22 close to the pushing part 23 abuts against the pushing part 23, and the outer wall of the pushing part 23 is fixedly connected with the inner wall of the sliding sleeve 19;
When the sliding sleeve 19 rotates on the connecting sleeve 17, the sliding sleeve 19 can drive the pushing part 23 to move, the pushing part 23 can push the inclined block 22 to move, the inclined block 22 can move to the inside of the chute 21, and along with the continuous movement of the sliding sleeve 19, the inclined block 22 can continuously squeeze the connecting sleeve 17, so that the connecting sleeve 17 can be tightly attached to the sliding sleeve 19, and the phenomenon of sliding wires is reduced.
As shown in fig. 1-5, the limiting assembly comprises an outer ring 24, a plurality of counter bores 25 and a plurality of positioning components, wherein the outer ring 24 is positioned at the outer side of the sliding sleeve 19, one end of the outer ring 24 is fixedly connected with the tool apron 15, the plurality of counter bores 25 are equidistantly arranged on the surface of the outer ring 24, and each positioning component is positioned in one counter bore 25;
The positioning component can be used for repositioning the sliding sleeve 19, so that the cutter handle 11 can be fixed again, the stability of the cutter handle 11 during installation is improved, the fixing effect of the cutter handle 11 is further improved, the precision of the milling cutter during operation can be further improved, and the milling cutter is convenient to use.
As shown in fig. 1-5, each positioning member includes a positioning hole 28, a perforation 26, a positioning rod 27, a pulling plate 30, and two springs 29;
The perforation 26 is positioned on one side of the counter bore 25 and is communicated with the counter bore 25, the positioning hole 28 is positioned on one side of the perforation 26 and is arranged on the surface of the sliding sleeve 19, the positioning rod 27 is arranged in the perforation 26 in a sliding way, one end of the positioning rod 27 is inserted into the positioning hole 28, the pulling plate 30 is fixed on the other end of the positioning rod 27, the two springs 29 are symmetrically arranged on two sides of the positioning rod 27, and two ends of each spring 29 are fixedly connected with the pulling plate 30 and the counter bore 25 respectively;
When the sliding sleeve 19 is screwed below the outer ring 24, under the extrusion of the sliding sleeve 19, the positioning rod 27 is firstly contracted into the through hole 26, at the moment, the spring 29 is deformed and elongated, along with the continued movement of the sliding sleeve 19, when the sliding sleeve 19 is completely screwed on the connecting sleeve 17, the positioning hole 28 can move to one side of the through hole 26, at the moment, the pulling plate 30 can be driven to reset under the action of the spring 29, and then the positioning rod 27 can be driven to reset, so that the positioning rod 27 can be clamped into the positioning hole 28, the positioning of the sliding sleeve 19 is realized, the sliding sleeve 19 is not easy to separate from the connecting sleeve 17, the fixing effect of the sliding sleeve 19 is improved, the fixing effect of the milling cutter is further improved, the precision of the milling cutter during working is further improved, and the use requirement is met;
Meanwhile, when the cutter handle 11 is dismounted, the pulling plate 30 is pulled, the pulling plate 30 drives the positioning rod 27 to move, so that the positioning rod 27 can be separated from the inside of the positioning hole 28, and then the sliding sleeve 19 is unscrewed from the connecting sleeve 17 to realize dismounting;
When the locating rod 27 is clamped into the locating hole 28, the pulling plate 30 is located in the counter bore 25 and cannot be arranged in a protruding mode, the situation of false collision is reduced, meanwhile, the cross-sectional area of the pulling plate 30 is smaller than that of the counter bore 25, and pulling of the pulling plate 30 is facilitated.
As shown in fig. 1 to 5, the positioning rod 27 is provided with a chamfer at one end inside the positioning hole 28 and at a side remote from the holder 15.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model, but rather to enable any modification, equivalent replacement, improvement or the like to be made within the spirit and principles of the utility model.
Claims (6)
1. The high-precision thread milling cutter comprises a cutter handle (11) and is characterized by further comprising a cutter holder (15), a connecting rod (16), a mounting mechanism and a cutting mechanism;
The connecting rod (16) is arranged at one end of the knife handle (11), the knife holder (15) is positioned at one side of the connecting rod (16), the mounting mechanism is positioned between the knife holder (15) and the connecting rod (16), and the cutting mechanism is positioned at one end of the knife handle (11) far away from the connecting rod (16);
The installation mechanism comprises a connecting sleeve (17), a sliding sleeve (19), a propping component and a limiting component, wherein the connecting sleeve (17) is fixed on the surface of a tool apron (15), one end of a connecting rod (16) is inserted in the middle of the connecting sleeve (17), an external thread (18) is arranged on the outer surface of the connecting sleeve (17), the sliding sleeve (19) is sleeved on the outer side of the connecting sleeve (17), an internal thread (20) matched with the external thread (18) is arranged on the inner wall of the sliding sleeve (19), the propping component is located on the inner side of the sliding sleeve (19), and the limiting component is located on the outer side of the sliding sleeve (19).
2. The high-precision thread milling cutter according to claim 1, wherein the cutting mechanism comprises a discharge groove (14), four milling edges (12) and a plurality of cutting teeth (13), the four milling edges (12) are fixed at one end of the shank (11), the surfaces of the four milling edges (12) are provided with the plurality of cutting teeth (13), and the discharge groove (14) is formed between the four milling edges (12) and the plurality of cutting teeth (13).
3. The high-precision thread milling cutter according to claim 2, wherein the abutting component comprises a pushing part (23), a chute (21) and an inclined block (22), the side, away from the tool holder (15), of the connecting sleeve (17) is provided with the chute (21), the outer side of the connecting rod (16) is sleeved with the inclined block (22) matched with the chute (21), the inclined block (22) is slidably arranged on the connecting rod (16), the outer side wall of the inclined block (22) abuts against the inner side wall of the chute (21), one end, away from the tool holder (15), of the inclined block (22) is provided with the pushing part (23), the pushing part (23) is fixed on the connecting rod (16), one end, close to the pushing part (23), of the inclined block (22) abuts against the pushing part (23), and the outer wall of the pushing part (23) is fixedly connected with the inner wall of the sliding sleeve (19).
4. A high precision thread milling cutter according to claim 3, characterized in that the limiting assembly comprises an outer ring (24), a plurality of counter bores (25) and a plurality of positioning members, the outer ring (24) is located on the outer side of the sliding sleeve (19), one end of the outer ring (24) is fixedly connected with the tool holder (15), the plurality of counter bores (25) are equidistantly formed in the surface of the outer ring (24), and each positioning member is located in one counter bore (25).
5. A high precision thread milling cutter as claimed in claim 4, wherein each positioning member comprises a positioning hole (28), a perforation (26), a positioning rod (27), a pulling plate (30) and two springs (29);
Perforation (26) are located one side of counter bore (25) and communicate with counter bore (25), locating hole (28) are located one side of perforation (26) and set up in the surface of slip cap (19), locating lever (27) slip sets up in the inside of perforation (26), the inside of locating hole (28) is inserted to one end of locating lever (27), pulling plate (30) is fixed in the other end of locating lever (27), two spring (29) symmetry set up in the both sides of locating lever (27), the both ends of every spring (29) respectively with pulling plate (30), counter bore (25) fixed connection.
6. A high precision thread milling cutter as claimed in claim 5, wherein the locating bar (27) is provided with a chamfer at one end of the locating hole (28) at the side remote from the seat (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322563942.8U CN220993029U (en) | 2023-09-20 | 2023-09-20 | High-precision thread milling cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322563942.8U CN220993029U (en) | 2023-09-20 | 2023-09-20 | High-precision thread milling cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220993029U true CN220993029U (en) | 2024-05-24 |
Family
ID=91117256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322563942.8U Active CN220993029U (en) | 2023-09-20 | 2023-09-20 | High-precision thread milling cutter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220993029U (en) |
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2023
- 2023-09-20 CN CN202322563942.8U patent/CN220993029U/en active Active
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