CN212793236U - High-hardness spliced milling cutter - Google Patents
High-hardness spliced milling cutter Download PDFInfo
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- CN212793236U CN212793236U CN202021397135.3U CN202021397135U CN212793236U CN 212793236 U CN212793236 U CN 212793236U CN 202021397135 U CN202021397135 U CN 202021397135U CN 212793236 U CN212793236 U CN 212793236U
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- tool bit
- milling cutter
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Abstract
The utility model belongs to the milling cutter field specifically is a high rigidity concatenation formula milling cutter, including outer tool bit, circular recess has been seted up at the left middle part of outer tool bit, the first screw that is located circular recess right side has been seted up to the inside of outer tool bit, the chip groove has been seted up at the edge of outer tool bit, the inside joint of circular recess has the blade disc, the right side of blade disc is connected with first screw rod. Through outer tool bit, well tool bit and interior tool bit loop through the screw rod and connect, the concatenation formula equipment has been realized, and the equipment is comparatively simple and convenient, and novel in design is reasonable, the tool bit is made through powder metallurgy method by refractory metal carbide TiC and metal binder Co in addition, intensity is higher, on the other hand a plurality of tool bits are surely milled simultaneously, the degree of surely milling that single tool bit bore has been reduced, and then the normal life of tool bit has been guaranteed, avoided producing the influence to follow-up machining precision and machining efficiency, thereby milling cutter's surely mills effect has been improved, and the convenience is popularized and used.
Description
Technical Field
The utility model relates to a milling cutter field specifically is a high rigidity concatenation formula milling cutter.
Background
Milling cutters, which are rotary tools used for milling and having one or more teeth, are used for machining planes, steps, grooves, formed surfaces, cutting off workpieces and the like on milling machines, and the teeth cut off the allowance of the workpiece intermittently in sequence during operation.
Traditional milling cutter more or less all has certain shortcoming in the in-service use in-process, for example milling cutter is general formula structure as an organic whole, need change whole milling cutter after local damage or wearing and tearing, required cost is higher, most ordinary milling cutter is single tool bit in addition, this just leads to single tool bit load to cross and the loss of high acceleration bit, and then produces the influence to follow-up machining precision and machining efficiency, surely mills the effect relatively poor, therefore we have proposed a high rigidity concatenation formula milling cutter.
SUMMERY OF THE UTILITY MODEL
Objects of the invention
For solving the technical problem who exists among the background art, the utility model provides a high rigidity concatenation formula milling cutter has the design of concatenation formula and surely mills effectual characteristics.
(II) technical scheme
In order to solve the technical problem, the utility model provides a high-hardness splicing type milling cutter, which comprises an outer cutter head, wherein a circular groove is arranged in the middle of the left side of the outer cutter head, a first screw hole positioned on the right side of the circular groove is arranged in the outer cutter head, a chip groove is arranged on the edge of the outer cutter head, a cutter head is clamped in the circular groove, a first screw rod is connected with the right side of the cutter head, the first screw rod is in threaded connection with the inside of the first screw hole, a middle cutter head is arranged on the left side of the cutter head, a crushing cutter head positioned on the outer side of the cutter head is arranged on the left side of the outer cutter head, a second screw hole is arranged in the middle of the cutter head, the inner thread of the second screw hole is connected with a second screw rod, one end of the outer side of the second screw rod is connected with an inner, the right end of the rotating shaft is connected with a connecting block, and an anti-slip ring is arranged on the outer side of the rotating shaft.
Preferably, the left side of the outer cutter head is of an inclined groove-shaped structure, and the chip discharge grooves are arc-shaped through grooves.
Preferably, the middle cutter head is provided with at least two groups of twelve cutter heads, two milling surfaces of the middle cutter head are provided, and cutter points are arranged between the milling surfaces.
Preferably, the crushing cutter head is of a convex ring structure, and a broken groove is formed in the middle of the crushing cutter head in a partition mode.
Preferably, a cross-shaped groove is formed in the left end of the rotating shaft, the first screw is connected in the cross-shaped groove in a threaded mode, a bolt is connected to the right side of the cross-shaped groove in a threaded mode, and the bolt is inserted into the inserting hole.
Preferably, the middle part of the connecting block is provided with an assembly hole, and the right side of the connecting block is connected with a rectangular fixing rod.
Preferably, the inner cutter head is provided with an arc-shaped groove, and the cutting and milling blades on one side of the arc-shaped groove are arranged in the same direction.
Preferably, the outer cutter head, the middle cutter head and the inner cutter head are all made of refractory metal carbide TiC and metal binder Co through a powder metallurgy method.
The above technical scheme of the utility model has following profitable technological effect: through outer tool bit, well tool bit and interior tool bit loop through the screw rod and connect, the concatenation formula equipment has been realized, and the equipment is comparatively simple and convenient, and novel in design is reasonable, the tool bit is made through powder metallurgy method by refractory metal carbide TiC and metal binder Co in addition, intensity is higher, on the other hand a plurality of tool bits are surely milled simultaneously, the degree of surely milling that single tool bit bore has been reduced, and then the normal life of tool bit has been guaranteed, avoided producing the influence to follow-up machining precision and machining efficiency, thereby milling cutter's surely mills effect has been improved, and the convenience is popularized and used.
Drawings
FIG. 1 is a schematic sectional view of the structure of the present invention;
FIG. 2 is a schematic side view of the structure of the present invention;
FIG. 3 is a schematic structural view of the present invention;
fig. 4 is a schematic view of the structure fixing rod of the present invention.
Reference numerals:
1. an outer cutter head; 2. a circular groove; 3. a first screw hole; 4. a chip groove; 5. a cutter head; 6. a first screw; 7. a middle cutter head; 8. crushing a cutter head; 81. breaking the groove; 9. a second screw hole; 10. a second screw; 11. an inner cutter head; 12. a jack; 13. a rotating shaft; 131. a cross-shaped groove; 132. a bolt; 14. connecting blocks; 141. an assembly hole; 142. fixing the rod; 15. and (4) an anti-slip ring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in figures 1-4, the utility model provides a high hardness splicing type milling cutter, which comprises an outer cutter head 1, a circular groove 2 is arranged in the middle of the left side of the outer cutter head 1, a first screw hole 3 positioned on the right side of the circular groove 2 is arranged in the outer cutter head 1, a chip groove 4 is arranged on the edge of the outer cutter head 1, a cutter head 5 is clamped in the circular groove 2, a first screw rod 6 is connected with the right side of the cutter head 5, the first screw rod 6 is in threaded connection with the inside of the first screw hole 3, a middle cutter head 7 is arranged on the left side of the cutter head 5, a crushing cutter head 8 positioned on the outer side of the cutter head 5 is arranged on the left side of the outer cutter head 1, a second screw hole 9 is arranged in the middle of the cutter head 5, a second screw rod 10 is in threaded connection with the inner screw rod 9, one end of the outer side of the second screw rod 10 is, the right end of the rotating shaft 13 is connected with a connecting block 14, and the outer side of the rotating shaft 13 is provided with an anti-slip ring 15.
In order to solve the problems of high use cost and unsatisfactory cutting and milling effects of the existing milling cutter, the outer cutter head 1, the middle cutter head 7 and the inner cutter head 11 are sequentially connected through the screw, splicing type assembly is achieved, the assembly is simple and convenient, the design is novel and reasonable, in addition, the cutter head 1 is made of refractory metal carbide TiC and metal binder Co through a powder metallurgy method, the strength is high, on the other hand, multiple cutter heads are used for cutting and milling simultaneously, the cutting and milling force borne by a single cutter head is reduced, the normal service life of the cutter head is further ensured, the influence on the subsequent processing precision and the processing efficiency is avoided, the cutting and milling effects of the milling cutter are improved, and the milling cutter is convenient to popularize and use.
Further, the left side of outer tool bit 1 is slope recess column structure to chip groove 4 is the arc shape through-groove form, and the left side through outer tool bit 1 can be regular to the machined part driling, stereotypes the aperture, has certain surely to mill the effect simultaneously, and chip groove 4 can so that surely mill the piece that produces and discharge through chip groove 4 in addition, thereby has improved the rationality of device.
It should be noted that at least two groups of twelve middle tool bits 7 are arranged, two milling surfaces of the middle tool bits 7 are provided, and the cutting edges are arranged between the milling surfaces, the number and the position of the middle tool bits 7 can be adjusted according to actual requirements, the more the number is, the better the milling effect is, in addition, the direction of the cutting edges of the middle tool bits 7 is the same as that of the milling edges on the inner tool bits 11, and the machined part can be milled along the rotation of the rotating shaft 13, so that the milling effect of the device is improved.
Further, broken tool bit 8 is the bulge loop structure, and the middle part of broken tool bit 8 cuts off and is equipped with disconnected groove 81, sets up disconnected groove 81 on broken tool bit 8 and can make remaining arch play the subsidiary effect to milling, makes the piece refine to the rationality of device has been improved.
It should be noted that a cross-shaped groove 131 is formed at the left end of the rotating shaft 13, the first screw 6 is in threaded connection with the cross-shaped groove 131, a bolt 132 is in threaded connection with the right side of the cross-shaped groove 131, and the bolt 132 is inserted into the insertion hole 12, so that the connection strength can be effectively improved by inserting the bolt 132, the phenomenon of thread slipping or reverse rotation is avoided, and the stability and reliability of the device are improved.
Further, an assembly hole 141 is formed in the middle of the connecting block 14, a rectangular fixing rod 142 is connected to the right side of the connecting block 14, and the assembly hole 141 and the fixing rod 142 are both connected with the auxiliary rotating shaft 13, so that the device is connected with rotating equipment, and the feasibility of the device is improved.
Further, the inner cutter head 11 is provided with an arc-shaped groove, the cutting and milling edges on one side of the arc-shaped groove are arranged in the same direction, and the arc-shaped groove can help cutting and milling, so that the cutting and milling effect of the device is improved.
The outer cutter head 1, the middle cutter head 7 and the inner cutter head 11 are all made of refractory metal carbide TiC and metal binder Co through a powder metallurgy method, the hardness of the cutter head can be effectively improved through the hard alloy, the hard alloy has the properties of high melting point, high hardness, good chemical stability and good thermal stability, the hardness, the wear resistance and the thermal property are all very high, HRA 89-93 can also bear cutting at 800-1000 ℃, the durability is dozens of times higher than that of steel, and when the durability is the same, the cutting speed can be improved by 4-10 times.
The utility model discloses a theory of operation and use flow: firstly, the first screw rod 6 is in threaded connection with the inside of the first screw hole 3, the cutter head 5 is located inside the circular groove 2, then the second screw rod 10 is in threaded connection with the inside of the second screw hole 9, then the rotating shaft 13 is in threaded connection with the right end of the first screw rod 6, the bolt 132 penetrates through the first screw rod 6 and is fixed with the rotating shaft 13, then the rotating shaft 13 is installed on rotating equipment through the assembling hole 141 and the fixing rod 142, cutting and milling are carried out, during cutting and milling, the inner cutter head 11 firstly drills a hole from the middle part, then the outer cutter head 1 is in contact with the inner cutter head and then carries out sizing on the hole diameter, at the moment, the middle cutter head 7, the crushing cutter head 8 and the inner cutter head 11 carry out deep cutting and milling on a machined part, and generated chips.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (8)
1. The utility model provides a high rigidity concatenation formula milling cutter, includes outer tool bit (1), its characterized in that, circular recess (2) have been seted up at the left middle part of outer tool bit (1), first screw (3) that are located circular recess (2) right side have been seted up to the inside of outer tool bit (1), chip groove (4) have been seted up at the edge of outer tool bit (1), the inside joint of circular recess (2) has blade disc (5), the right side of blade disc (5) is connected with first screw rod (6), first screw rod (6) threaded connection is in the inside of first screw (3), well tool bit (7) are installed in the left side of blade disc (5), the left side of outer tool bit (1) is equipped with broken tool bit (8) that are located the blade disc (5) outside, second screw (9) have been seted up at the middle part of blade disc (5), the inside threaded connection of second screw hole (9) has second screw rod (10), one end in second screw rod (10) outside is connected with interior tool bit (11), jack (12) have been seted up to the right-hand member of first screw rod (6), the right-hand member threaded connection of first screw rod (6) has pivot (13), the right-hand member of pivot (13) is connected with connecting block (14), the outside of pivot (13) is equipped with anti-skidding ring (15).
2. A high hardness splice milling cutter according to claim 1, wherein the left side of the outer cutter head (1) is of an inclined groove-like configuration, and the chip flutes (4) are of an arc-shaped through-groove shape.
3. A high hardness split milling cutter according to claim 1, wherein at least two sets of twelve cutting heads (7) are provided, two cutting faces of the cutting heads (7) are provided, and the cutting edges are arranged between the cutting faces.
4. High hardness split milling cutter according to claim 1, wherein the crushing head (8) is of a convex ring structure and the middle partition of the crushing head (8) is provided with a breaking groove (81).
5. The high-hardness spliced milling cutter as claimed in claim 1, wherein a cross-shaped groove (131) is formed at the left end of the rotating shaft (13), the first screw (6) is screwed in the cross-shaped groove (131), a bolt (132) is screwed on the right side of the cross-shaped groove (131), and the bolt (132) is inserted in the insertion hole (12).
6. The high-hardness splicing type milling cutter according to claim 1, wherein a mounting hole (141) is formed in the middle of the connecting block (14), and a rectangular fixing rod (142) is connected to the right side of the connecting block (14).
7. The high-hardness split milling cutter according to claim 1, wherein the inner cutter head (11) is provided with an arc-shaped groove, and the milling cutting edges on one side of the arc-shaped groove are all arranged in the same direction.
8. A high hardness split milling cutter according to claim 1, wherein the outer cutter head (1), the middle cutter head (7) and the inner cutter head (11) are made of refractory metal carbide TiC and metal binder Co by powder metallurgy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021397135.3U CN212793236U (en) | 2020-07-15 | 2020-07-15 | High-hardness spliced milling cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021397135.3U CN212793236U (en) | 2020-07-15 | 2020-07-15 | High-hardness spliced milling cutter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212793236U true CN212793236U (en) | 2021-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021397135.3U Active CN212793236U (en) | 2020-07-15 | 2020-07-15 | High-hardness spliced milling cutter |
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| CN (1) | CN212793236U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113523384A (en) * | 2021-06-21 | 2021-10-22 | 芜湖市零一精密工具制造有限公司 | Integrated milling cutter set for blind hole machining and blind hole machining method |
-
2020
- 2020-07-15 CN CN202021397135.3U patent/CN212793236U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113523384A (en) * | 2021-06-21 | 2021-10-22 | 芜湖市零一精密工具制造有限公司 | Integrated milling cutter set for blind hole machining and blind hole machining method |
| CN113523384B (en) * | 2021-06-21 | 2024-05-28 | 芜湖市零一精密工具制造有限公司 | Integrated milling cutter set for blind hole machining and blind hole machining method |
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