CN219766889U - Quick-change head cutting tool connection structure - Google Patents
Quick-change head cutting tool connection structure Download PDFInfo
- Publication number
- CN219766889U CN219766889U CN202320579904.9U CN202320579904U CN219766889U CN 219766889 U CN219766889 U CN 219766889U CN 202320579904 U CN202320579904 U CN 202320579904U CN 219766889 U CN219766889 U CN 219766889U
- Authority
- CN
- China
- Prior art keywords
- unit
- cutting tool
- cutter
- connecting unit
- head cutting
- 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.)
- Active
Links
- 238000005520 cutting process Methods 0.000 title claims abstract description 18
- 230000008859 change Effects 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims 3
- 238000010168 coupling process Methods 0.000 claims 3
- 238000005859 coupling reaction Methods 0.000 claims 3
- 239000000956 alloy Substances 0.000 abstract description 6
- 229910045601 alloy Inorganic materials 0.000 abstract description 6
- 229910000831 Steel Inorganic materials 0.000 abstract description 3
- 239000010959 steel Substances 0.000 abstract description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000005493 welding type Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Milling Processes (AREA)
Abstract
The utility model discloses a quick-change head cutting tool connecting structure which comprises a tool bit unit, a connecting unit and a tool bar unit; the connecting unit is in threaded connection with the inside of the cutter bar unit; and one part of the cutter head unit extends into the cutter bar unit and is connected with the connecting unit in a concave-convex structure. The utility model realizes the effective connection of the hard alloy cutter head unit and the steel cutter bar unit, can ensure a specific high-precision, high-rigidity and high-stability cutter structure on the basis of reducing the cost, and simultaneously realizes quick cutter replacement in a machine.
Description
Technical Field
The utility model relates to a hard alloy end mill structure, in particular to a quick-change head cutting tool connecting structure.
Background
The cemented carbide end mill structure can be divided into a monolithic structure, a welded-on structure and a mechanically clamped indexable structure.
1. The precision of the integral structure cutter is high, the cutting process is stable, but the cost is higher;
2. the insert welding type end mill cutter has high precision, but when welding or sharpening is improper, cracks are easy to generate and even the cutter is scrapped;
3. the machine clamping indexable hard alloy end milling cutter has no defects of a welding-type end milling cutter, the cutter body can be reused, the cost is lower, the cutter body is limited by the position of the space occupied by the clamping element, and the diameter of the cutter is generally in the range of 12-125 mm.
Therefore, the hard alloy end mill structure in the prior art cannot realize the functions of low cost, high strength and large cutter diameter range at the same time, so that the application range is small.
Disclosure of Invention
In order to solve the defects in the prior art, the utility model provides the quick-change head cutting tool connecting structure, which is used for effectively connecting the hard alloy tool bit unit and the steel tool bar unit, ensuring a high-precision, high-rigidity and high-stability tool structure and realizing quick tool change in a machine on the basis of reducing cost.
In order to achieve the technical purpose, the utility model adopts the following technical scheme: a quick-change head cutting tool connecting structure comprises a tool bit unit, a connecting unit and a tool bar unit;
the connecting unit is in threaded connection with the inside of the cutter bar unit;
and one part of the cutter head unit extends into the cutter bar unit and is connected with the connecting unit in a concave-convex structure.
Further, one end of the connecting unit is provided with a first external thread, and the cutter bar unit is internally provided with a first internal thread; the cutter bar unit is characterized in that a first accommodating groove is formed in one end of the cutter bar unit, and after the connecting unit stretches into the first accommodating groove, the first external thread is connected with the first internal thread.
Further, the tool bit unit is of a convex structure, and the connecting unit is of a concave structure.
Further, one end of the tool bit unit is provided with a first embedded block which can extend into the first accommodating groove, the outer end part of the first embedded block is provided with a first protruding block, one end of the connecting unit is provided with a first groove, and the first protruding block is embedded in the first groove to form connection between the tool bit unit and the connecting unit.
Further, the diameter of the first bump starts to trend from the outer wall of the first embedded block from large to small to large to small, and the outer wall of the first bump is a plane; the shape of the first groove matches the shape of the first bump.
Further, the inner wall of the first accommodating groove is a conical surface, the first outer wall of the first embedded block is a conical surface, and the second outer wall of the connecting unit is a conical surface.
Further, the tool bit unit is of a concave structure, and the connecting unit is of a convex structure.
Further, one end of the tool bit unit is provided with a second embedded block which can extend into the first accommodating groove, the outer end of the second embedded block is provided with a second groove, one end of the connecting unit is provided with a second lug, and the second lug is embedded in the second groove to form connection between the tool bit unit and the connecting unit.
Further, the diameter of the second bump tends to be from large to small to large, and the outer wall of the second bump is a plane; the shape of the second groove matches the shape of the second bump.
Further, the inner wall of the first accommodating groove is a conical surface, and the third outer wall of the second embedded block is a conical surface.
In summary, the present utility model achieves the following technical effects:
according to the utility model, different connection modes can be selected according to the diameter of the cutter, so that the cost is reduced, and the stability and strength of connection are ensured;
the utility model adopts a central symmetrical tensioning structure design, realizes axial stress of the rotation center of the cutter in the tensioning process, and effectively controls radial runout of the cutter in the processing process;
the utility model realizes quick tool changing in the machine tool, the length of the tool is controlled within 0.02mm, the jump of the tool is controlled within 0.012, the time for tool changing and equipment debugging is effectively saved, and the production efficiency is improved.
Drawings
Fig. 1 is a first case of a cutter head unit provided by an embodiment of the present utility model;
fig. 2 is a connection unit of the first case;
FIG. 3 is a cutter bar unit of the first case;
FIG. 4 is a schematic diagram of the connection state of the first case;
fig. 5 shows a cutter head unit according to a second aspect of the present utility model;
fig. 6 is a connection unit of the second case;
fig. 7 is a cutter bar unit of the second case;
fig. 8 is a schematic diagram of the connection state of the second case.
Detailed Description
The present utility model will be described in further detail with reference to the accompanying drawings.
The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
Examples:
as shown in fig. 1 to 8, a quick-change head cutting tool connection structure comprises a tool bit unit 1, a connection unit 2 and a tool bar unit 3; the connecting unit 2 is in threaded connection with the inside of the cutter bar unit 3; a part of the bit unit 1 extends into the cutter bar unit 3 and is connected to the connection unit 2 in a concave-convex structure.
Specifically, as shown in fig. 2, one end of the connection unit 2 is provided with a first external thread 22, and as shown in fig. 3, the inside of the cutter bar unit 3 is provided with a first internal thread 32; the first holding groove 31 has been seted up to the one end of cutter arbor unit 3, and after the connecting unit 2 stretched into first holding groove 31, first external screw thread 22 was connected with first internal screw thread 32, accomplishes the connecting unit 2 and the connection of cutter arbor unit 3.
The utility model provides two different connection modes, namely two different modes of concave-convex structures of the cutter head unit 1 and the connection unit 2:
(1) The tool bit unit 1 is of a convex structure, and the connecting unit 2 is of a concave structure.
As shown in fig. 1, one end of the tool bit unit 1 is provided with a first insert 11 capable of extending into the first accommodating groove 31, the outer end of the first insert 11 is provided with a first bump 12, as shown in fig. 2, one end of the connecting unit 2 is provided with a first groove 21, and the first bump 12 is embedded in the first groove 21 to form connection between the tool bit unit 1 and the connecting unit 2, and the secondary connection structure can be seen from fig. 4.
The diameter of the first bump 12 starts to trend from big to small to big to small from the outer wall of the first embedded block 11, and the outer wall of the first bump 12 is a plane; the shape of the first recess 21 matches the shape of the first bump 12. The outer diameter of the first bump 12 is set to be different in variation trend, so that the first bump 12 is provided with a big head and a thin neck, and when the first bump is connected with the first groove 21, the connection strength can be enhanced by the form of the big head and the thin neck, and meanwhile, the size requirement of the smaller diameter of the cutter is met.
The inner wall of the first accommodating groove 31 is a conical surface, the first outer wall 13 of the first embedded block 11 is a conical surface, the second outer wall 23 of the connecting unit 2 is a conical surface, and the first outer wall 13 and the second outer wall 23 are butted in the structure shown in fig. 4 and can be matched with the inner wall of the first accommodating groove 31. The form of the tapered surface can improve the stability of the connection.
(2) The tool bit unit 1 is of a concave structure, and the connecting unit 2 is of a convex structure.
As shown in fig. 5, one end of the tool bit unit 1 is provided with a second embedded block 14 capable of extending into the first accommodating groove 31, the outer end of the second embedded block 14 is provided with a second groove 15, as shown in fig. 6, one end of the connecting unit 2 is provided with a second bump 24, and the second bump 24 is embedded in the second groove 15 to form connection between the tool bit unit 1 and the connecting unit 2.
As shown in fig. 6, the diameter of the second bump 24 tends to be from large to small to large, and the outer wall of the second bump 24 is a plane; the shape of the second recess 15 matches the shape of the second bump 24. The second lug 24 is in a long neck shape, meets the requirement of a large size of the cutter, and improves the stability of connection.
The inner wall of the first receiving groove 31 is a tapered surface, the third outer wall 16 of the second insert 14 is a tapered surface, and the two tapered surfaces are matched with each other.
The connection tension in the form of the insertion of the head unit 1 into the connection unit 2 is shown in fig. 4, and the connection tension in the form of the insertion of the connection unit 2 into the head unit 1 is shown in fig. 8. Both structures enable a connection between the cutter head unit 1 and the connection unit 2.
The utility model realizes the effective connection of the hard alloy cutter head unit and the steel cutter bar unit, and can ensure a specific cutter structure with high precision, high rigidity and high stability on the basis of reducing the cost. Meanwhile, quick tool changing in the machine is realized, the length of the tool is controlled within 0.02mm, and the jump of the tool is controlled within 0.012. The developed product can be applied to general processing of electronic information, aviation, molds, automobiles, medical treatment and other industries.
The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model in any way, and any simple modification, equivalent variation and modification made to the above embodiments according to the technical principles of the present utility model are within the scope of the technical solutions of the present utility model.
Claims (10)
1. A quick-change head cutting tool connection structure, characterized in that: comprises a tool bit unit (1), a connecting unit (2) and a tool bar unit (3);
the connecting unit (2) is in threaded connection with the inside of the cutter bar unit (3);
part of the cutter head unit (1) stretches into the cutter bar unit (3) and is connected with the connecting unit (2) in a concave-convex structure.
2. A quick change head cutting tool attachment as defined in claim 1, wherein: one end of the connecting unit (2) is provided with a first external thread (22), and the cutter bar unit (3) is internally provided with a first internal thread (32); a first accommodating groove (31) is formed in one end of the cutter bar unit (3), and after the connecting unit (2) stretches into the first accommodating groove (31), the first external thread (22) is connected with the first internal thread (32).
3. A quick change head cutting tool attachment as defined in claim 2, wherein: the tool bit unit (1) is of a convex structure, and the connecting unit (2) is of a concave structure.
4. A quick change head cutting tool attachment as defined in claim 3, wherein: one end of the tool bit unit (1) is provided with a first embedded block (11) which can extend into the first accommodating groove (31), the outer end part of the first embedded block (11) is provided with a first protruding block (12), one end of the connecting unit (2) is provided with a first groove (21), and the first protruding block (12) is embedded in the first groove (21) to form the connection of the tool bit unit (1) and the connecting unit (2).
5. The quick change head cutting tool attachment as defined in claim 4, wherein: the diameter of the first protruding block (12) starts to trend from the outer wall of the first embedded block (11) from large to small to large to small, and the outer wall of the first protruding block (12) is a plane; the shape of the first groove (21) matches the shape of the first bump (12).
6. The quick change head cutting tool attachment of claim 5, wherein: the inner wall of the first accommodating groove (31) is a conical surface, the first outer wall (13) of the first embedded block (11) is a conical surface, and the second outer wall (23) of the connecting unit (2) is a conical surface.
7. A quick change head cutting tool attachment as defined in claim 2, wherein: the tool bit unit (1) is of a concave structure, and the connecting unit (2) is of a convex structure.
8. The quick change head cutting tool coupling structure according to claim 7, wherein: one end of the tool bit unit (1) is provided with a second embedded block (14) which can extend into the first accommodating groove (31), the outer end part of the second embedded block (14) is provided with a second groove (15), one end of the connecting unit (2) is provided with a second lug (24), and the second lug (24) is embedded in the second groove (15) to form the connection of the tool bit unit (1) and the connecting unit (2).
9. The quick change head cutting tool coupling structure according to claim 8, wherein: the diameter of the second bump (24) tends to be from large to small to large, and the outer wall of the second bump (24) is a plane; the shape of the second groove (15) matches the shape of the second bump (24).
10. The quick change head cutting tool coupling structure according to claim 9, wherein: the inner wall of the first accommodating groove (31) is a conical surface, and the third outer wall (16) of the second embedded block (14) is a conical surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320579904.9U CN219766889U (en) | 2023-03-22 | 2023-03-22 | Quick-change head cutting tool connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320579904.9U CN219766889U (en) | 2023-03-22 | 2023-03-22 | Quick-change head cutting tool connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219766889U true CN219766889U (en) | 2023-09-29 |
Family
ID=88110772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320579904.9U Active CN219766889U (en) | 2023-03-22 | 2023-03-22 | Quick-change head cutting tool connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219766889U (en) |
-
2023
- 2023-03-22 CN CN202320579904.9U patent/CN219766889U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5089616B2 (en) | Cutting inserts and milling tools | |
| EP2883640B1 (en) | Cutting tool with abutment members and toolholder and cutting insert therefor | |
| US20120201622A1 (en) | Multiteeth Indexable Insert with Locating Means and Material Removal Tool with Same | |
| US10220450B2 (en) | Vertically-mounted milling cutter insert and multitooth milling cutter | |
| JPWO2013146882A1 (en) | Tip changeable cutting tool | |
| KR20040095785A (en) | tool holder assembly for multifunctional machining and adapter for the same | |
| CN109475944B (en) | Turning insert | |
| CN109531073B (en) | Method for machining inner hole of thin-walled part of pump valve body | |
| CN114051436A (en) | Insert adapter and turning tool comprising the same | |
| US7264425B1 (en) | Tool | |
| CN219766889U (en) | Quick-change head cutting tool connection structure | |
| CN101172329A (en) | Holder for cutting tool | |
| CN110899800B (en) | Single cutting blade replaceable type finish milling ball head cutter | |
| CN210334475U (en) | Large-diameter deep hole drill without tool holder | |
| CN209565495U (en) | Slot knife blade, slot knife and numerically controlled lathe | |
| US7806633B2 (en) | Cutting insert with threaded hole and cutting tool therefor | |
| JPWO2014181842A1 (en) | Blade adjustment mechanism | |
| JP5430069B2 (en) | Milling tool and cutting method using the same | |
| CN211028274U (en) | Fixing device of milling cutter | |
| CN209565496U (en) | Slot knife knife bar, slot knife and numerically controlled lathe | |
| CN213257145U (en) | Machine tool thimble | |
| CN211278002U (en) | Grinding tool for taper shank with replaceable tool bit | |
| KR100296445B1 (en) | Indexable boring tool for cutting an internal surface of a small size's hole | |
| CN219402483U (en) | Milling cutter for wheel blank positioning surface | |
| KR200211403Y1 (en) | Indexable boring tool for cutting an internal surface of a small size's hole |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |