CN113732377A - Combined thread milling cutter with replaceable tooth pitch blades - Google Patents
Combined thread milling cutter with replaceable tooth pitch blades Download PDFInfo
- Publication number
- CN113732377A CN113732377A CN202111032092.8A CN202111032092A CN113732377A CN 113732377 A CN113732377 A CN 113732377A CN 202111032092 A CN202111032092 A CN 202111032092A CN 113732377 A CN113732377 A CN 113732377A
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- China
- Prior art keywords
- guide rod
- rod part
- blade assembly
- piece
- replaceable
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- 238000003801 milling Methods 0.000 title claims abstract description 20
- 230000000903 blocking effect Effects 0.000 claims abstract description 29
- 238000003825 pressing Methods 0.000 claims abstract description 24
- 230000004888 barrier function Effects 0.000 claims description 13
- 238000005266 casting Methods 0.000 claims description 2
- 238000005520 cutting process Methods 0.000 abstract description 16
- 238000003754 machining Methods 0.000 description 14
- 239000011295 pitch Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 7
- 229910045601 alloy Inorganic materials 0.000 description 5
- 239000000956 alloy Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/02—Milling-cutters characterised by the shape of the cutter
- B23C5/10—Shank-type cutters, i.e. with an integral shaft
- B23C5/109—Shank-type cutters, i.e. with an integral shaft with removable cutting inserts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/02—Milling-cutters characterised by the shape of the cutter
- B23C5/12—Cutters specially designed for producing particular profiles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23C—MILLING
- B23C5/00—Milling-cutters
- B23C5/16—Milling-cutters characterised by physical features other than shape
- B23C5/20—Milling-cutters characterised by physical features other than shape with removable cutter bits or teeth or cutting inserts
- B23C5/22—Securing arrangements for bits or teeth or cutting inserts
- B23C5/24—Securing arrangements for bits or teeth or cutting inserts adjustable
- B23C5/2475—Securing arrangements for bits or teeth or cutting inserts adjustable the adjusting means being distance elements, e.g. shims or washers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling Processes (AREA)
Abstract
The invention discloses a combined thread milling cutter with replaceable tooth pitch blades, which comprises: the guide rod part is in a step shape, and one end of the guide rod part is used for being clamped; at least one blade assembly connected to the guide rod part; at least one adjustable blocking piece connected to the guide rod part and sliding along the guide rod part to regulate the position of the blade assembly; the pressing piece is arranged at the end part of the other end of the guide rod part and used for blocking the blade assembly and the adjustable blocking piece; the locking piece is connected to the pressing piece, penetrates out of the pressing piece and is connected with the other end of the guide rod part, and the pressing piece is pressed tightly; therefore, the technical problems that the cutting speed is relatively slow, the processing time is relatively long, the cost is relatively high and the forming quality of threads is relatively poor when blind hole deep thread processing is carried out are solved.
Description
Technical Field
The invention relates to the technical field of machine tool cutters, in particular to a combined thread milling cutter with replaceable tooth pitch blades.
Background
With the development of scientific and technological technology, in the machining process, high-hardness materials such as titanium alloy, stainless steel, high-temperature alloy and the like are widely used in civil enterprises, and when the materials are machined, the problems of low cutting speed, long machining time, high cost, difficulty in chip breaking and removal, tool adhesion, over-high tool abrasion and the like exist; taking the machining material of 42CrMo4, the thread specification of M35 and the hole depth of 72mm (blind hole deep thread) as an example, if a screw tap is used for machining, the cutting speed is slow, the machining cost is high, the thread manufacturability is poor, if a single-tooth thread milling cutter is used for machining threads, the cutting speed is slow, the machining time is long, the cost is high, and if a full-tooth thread milling cutter is used for machining, the cutting speed is slow, the machining time is long, and the cost is high, so that a combined thread milling cutter with replaceable tooth pitch adjustable blades is needed.
Disclosure of Invention
Aiming at the defects in the prior art, the purpose is to provide the combined thread milling cutter with the replaceable tooth pitch blades, so as to solve the technical problems that the cutting speed is relatively slow, the processing time is relatively long, the cost is relatively high and the forming quality of threads is relatively poor in the process of processing blind holes and deep threads in the prior art.
The technical scheme for realizing the purpose is as follows: a variable pitch blade replaceable gang thread milling tool comprising:
the guide rod part is in a step shape, and one end of the guide rod part is used for being clamped;
at least one blade assembly connected to the guide rod part;
the adjustable blocking piece is connected to the guide rod part and slides along the guide rod part to adjust the position of the blade assembly;
a pressing member provided at the other end of the guide rod part, blocking the blade assembly and the adjustable barrier;
and the locking piece is connected to the pressing piece, penetrates out of the pressing piece and is connected with the other end of the guide rod part, and the pressing piece is pressed tightly.
Further: the guide bar portion includes: a cylinder to be clamped; a first step connected with the cylinder; and a second step, one end of which is connected with the first step and the other end of which is provided with a threaded hole, the threaded hole is used for connecting with the locking piece, and the first step and the second step are connected with the adjustable blocking piece and the blade assembly.
Further: the cross section of the first step is of a circular structure.
Further: the cross-sectional shape of the second step is a quadrilateral structure, and the cross-sectional area of the second step is smaller than that of the first step.
Further: the blade assembly comprises: a central portion connected to the guide rod portion; and the cutter heads are arranged on the excircle of the central part at intervals and protrude out of the adjustable blocking piece.
Further: the appearance of adjustable separation piece is circular structure, middle part with first ladder and/or the matching of second ladder cup joints.
Further: the appearance of casting die is circular structure, and the middle part has a shoulder hole, the shoulder hole with retaining member threaded connection, it is spacing the retaining member.
Further: the locking piece is an inner hexagon bolt.
By adopting the technical scheme, the method has the following beneficial effects: compared with the related technology, the combined thread milling cutter with the replaceable tooth pitch blades is provided with a guide rod part, a blade component, an adjustable blocking part, a pressing part and a locking part; the guide rod part is used for being clamped, and limits the blade assembly and the adjustable barrier piece together with the pressing piece and the locking piece, so that the installation and the replacement are convenient, and the use cost is relatively low; the adjustable blocking piece is used for adjusting the position of the blade assembly and combining the change of the number of the blade assembly, the adjustable blocking piece can adapt to the processing of threaded holes with different screw pitches, the cutting speed is relatively high, the processing time is relatively short, and the forming quality of threads is relatively high; therefore, the technical problems that the cutting speed is relatively slow, the processing time is relatively long, the cost is relatively high and the forming quality of the thread is relatively poor during blind hole deep thread processing are solved, the technical effects that the cutting speed is relatively fast, the processing time is relatively short, the cost is relatively low and the forming quality of the thread is relatively good are achieved, and the method is favorable for popularization and use.
Drawings
FIG. 1 is an exploded view of the assembly;
FIG. 2 is a schematic view of the assembled structure of FIG. 1;
FIG. 3 is a partial cross-sectional view of FIG. 2;
FIG. 4 is a schematic view of the structure of the guide rod part;
FIG. 5 is a schematic view of a blade assembly;
FIG. 6 is a schematic view of an adjustable barrier;
FIG. 7 is a schematic view of a compression element;
in the figure: 10. the adjustable blade assembly comprises a guide rod part, a cylinder body 11, a first step 12, a second step 13, a threaded hole 131, a blade assembly 20, a central part 21, a cutter head 22, a cutter head 30, an adjustable blocking part 40, a pressing part 41, a step hole 50 and a locking part.
Detailed Description
In order that the matter may be more readily and clearly understood, further details are set forth in the following description, taken in conjunction with the accompanying drawings, in which like reference numerals refer to like parts;
the utility model provides a changeable combination screw thread milling cutter of pitch-adjustable blade, has solved the blind hole deep thread processing among the correlation technique, and cutting speed is relatively slower, and process time is relatively longer, and the cost is relatively higher, the relatively poor technical problem of the shaping quality of screw thread, has reached that cutting speed is relatively faster, and process time is relatively shorter, and the cost is relatively lower, the shaping quality of screw thread positive effect better relatively, and the general thinking is as follows:
one embodiment is as follows:
as shown in fig. 1, 2, 3; a variable pitch blade replaceable gang thread milling tool comprising:
a guide rod part 10, the shape of which is step-shaped, and one end is used for being clamped;
three blade assemblies 20 connected to the guide rod part 10;
three adjustable blocking members 30 connected to the guide rod part 10 and sliding along the guide rod part 10 to adjust the position of the blade assembly 20;
a presser 40 provided at the other end of the guide bar part 10, blocking the blade assembly 20 and the adjustable barrier 30;
and a locking member 50 connected to the pressing member 40 and extending out of the pressing member 40 to be connected to the other end of the rod guide part 10, for pressing the pressing member 40;
specifically, in practice, guide bar portion 10, blade assembly 20, adjustable barrier 30, press 40 and retaining member 50 are provided; the guide rod part 10 is used for being clamped, and the pressing part 40 and the locking part 50 are used for limiting the blade assembly 20 and the adjustable barrier 30, so that the installation and the replacement are convenient, and the use cost is relatively low; the adjustable barrier 30 is used for adjusting the position of the blade assembly 20 and can adapt to the machining of threaded holes with different screw pitches by combining the change of the number of the blade assembly 20, the cutting speed is relatively high, the machining time is relatively short, and the forming quality of threads is relatively high;
in another embodiment:
as shown in fig. 1, 2, 3, 4; in practice, the guide rod part 10 includes: a cylinder 11 for being clamped; a first step 12 connected to the cylinder 11; and a second step 13, one end of which is connected with the first step 12, and the other end of which is provided with a threaded hole 131, wherein the threaded hole 131 is used for being connected with the retaining member 50, and the adjustable blocking member 30 and the blade assembly 20 are connected at the first step 12 and the second step 13; the guide rod part 10 is made of hard alloy and is machined to form a cylinder 11, a first step 12 and a second step 13; the cylinder 11 is beneficial to being clamped, and the installation and the disassembly are more convenient; the section of the first step 12 is in a circular structure, the section of the second step 13 is in a quadrilateral structure, the section area of the second step 13 is smaller than that of the first step 12, the blade assembly 20 and the adjustable blocking piece 30 are installed and arranged conveniently, the second step 13 also plays a role in preventing the blade assembly 20 and the adjustable blocking piece 30 from rotating, the blade assembly 20 and the adjustable blocking piece 30 can synchronously rotate with the guide rod part 10, and the cutting quality is indirectly improved;
in another embodiment:
as shown in fig. 1, 2, 3, 4; in implementation, the central lines of the cylinder 11, the first step 12 and the second step 13 are on the same straight line, after the adjustable blocking member 30 and the blade assembly 20 are arranged, the concentricity of the guide rod part 10 and the adjustable blocking member 30 and the blade assembly 20 is better, and the rotary cutting effect is relatively better;
in another embodiment:
as shown in fig. 1, 2, 3, 5; in practice, blade assembly 20 includes: a center portion 21 connected to the guide rod portion 10; the cutter heads 22 are arranged on the outer circle of the central part 21 at intervals and protrude out of the adjustable barrier 30; the central part 21 and the cutter head 22 are integrally formed and made of hard alloy; the middle part of the central part 21 is provided with a square through hole for clamping with the second step 13, so that the blade assembly 20 can be reliably limited; the number of the tool bits 22 is ten, and the tool bits are uniformly distributed on the excircle of the central part 21; the section of the cutter head 22 is triangular, rectangular and the like and is provided with a cutting edge, the shape of the cutter head 22 is designed according to the thread size parameters, namely the shape of the cutter head 22 is changed along with the change of the processing thread size parameters, and the position of the blade assembly 20 is adjusted by changing the length size of the adjustable barrier member 30, so that the cutter head is suitable for processing threaded holes with different thread pitches, and the operation is convenient;
in another embodiment:
as shown in fig. 1, 2, 3, 6; in implementation, the shape of the adjustable blocking piece 30 is a circular structure, and the middle part of the adjustable blocking piece is in matched sleeve joint with the first step 12 and/or the second step 13; the adjustable blocking piece 30 is made of hard alloy and is connected to the guide rod part 10, so that the purposes of limiting and adjusting the position of the blade assembly 20 are achieved, different distances can be formed between the blade assembly 20, the adjustable blocking piece is suitable for machining threaded holes with different screw pitches, and the use flexibility is good;
in another embodiment:
as shown in fig. 1, 2, 3, 7; in implementation, the pressing member 40 has a circular shape, a stepped hole 41 is formed in the middle, and the stepped hole 41 is in threaded connection with the locking member 50 to limit the locking member 50; the pressing member 40 is made of hard alloy, forms a stop, and limits the adjustable barrier 30 and the blade assembly 20 together with the locking member 50;
the locking piece 50 is a hexagon socket head cap screw, is in threaded connection with the stepped hole 41 and the guide rod part 10, and locks the pressing piece 40, so that the adjustable blocking piece 30 and the blade assembly 20 are reliably limited on the guide rod part 10, and the assembly and disassembly are convenient;
the working principle is as follows: the guide rod part 10 is used for being clamped, and the pressing part 40 and the locking part 50 are used for limiting the blade assembly 20 and the adjustable barrier 30, so that the installation and the replacement are convenient, and the use cost is relatively low; the adjustable barrier 30 is used for adjusting the position of the blade assembly 20 and can adapt to the machining of threaded holes with different screw pitches by combining the change of the number of the blade assembly 20, the cutting speed is relatively high, the machining time is relatively short, and the forming quality of threads is relatively high;
in the description, it is to be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on the positional relationships illustrated in the drawings, and are only for convenience of description or simplicity of description, but do not indicate that a particular orientation must be provided; the operation process described in the embodiment is not an absolute use step, and corresponding adjustment can be made during actual use;
unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art; the use of "first," "second," and the like in the description and in the claims does not denote any order, quantity, or importance, but rather the terms "a" and "an" and the like are used to distinguish one element from another, and likewise, no limitation of quantity is implied, but rather at least one is implied, as is determined by the context of the embodiment;
the above description is only for the preferred embodiment, but the scope of protection is not limited thereto, and any equivalent replacement or change based on the technical solution and the inventive concept within the technical scope of the disclosure of the person skilled in the art should be covered by the scope of protection.
Claims (8)
1. A combination thread milling tool with replaceable pitch inserts, comprising:
the guide rod part (10) is in a step shape, and one end of the guide rod part is clamped;
at least one blade assembly (20) connected to the guide bar portion (10);
at least one adjustable blocking member (30) connected to said guide bar portion (10) for adjusting the position of said blade assembly (20) along the sliding position of said guide bar portion (10);
a pressing member (40) provided at the other end of the guide rod part (10) to block the blade assembly (20) and the adjustable barrier (30);
and the locking piece (50) is connected to the pressing piece (40), penetrates out of the pressing piece (40) and is connected with the other end of the guide rod part (10), and presses the pressing piece (40).
2. A combination screw milling tool with replaceable pitch inserts as set forth in claim 1 wherein: the guide rod part (10) comprises: a cylindrical body (11) for being clamped; a first step (12) connected to the cylinder (11); and a second step (13), one end of which is connected with the first step (12), and the other end of which is provided with a threaded hole (131), wherein the threaded hole (131) is used for being connected with the locking piece (50), and the first step (12) and the second step (13) are connected with the adjustable blocking piece (30) and the blade assembly (20).
3. A combination screw milling tool with replaceable pitch inserts according to claim 2 wherein: the cross section of the first step (12) is in a circular structure.
4. A combination screw milling tool with replaceable pitch inserts according to claim 3 wherein: the cross section of the second step (13) is in a quadrilateral structure, and the cross section area of the second step (13) is smaller than that of the first step (12).
5. A combination screw milling tool with replaceable pitch inserts as set forth in claim 1 wherein: the blade assembly (20) comprises: a center part (21) connected to the guide rod part (10); and the cutter heads (22) are arranged on the excircle of the central part (21) at intervals and protrude out of the adjustable blocking piece (30).
6. A combination screw milling tool with replaceable pitch inserts according to claim 2 wherein: the adjustable blocking piece (30) is of a circular structure in shape, and the middle part of the adjustable blocking piece is in matched sleeved connection with the first step (12) and/or the second step (13).
7. A combination screw milling tool with replaceable pitch inserts as set forth in claim 1 wherein: the appearance of casting die (40) is circular structure, and the middle part has a shoulder hole (41), shoulder hole (41) with retaining member (50) threaded connection, spacing retaining member (50).
8. The indexable combination thread milling tool according to claim 7, wherein: the locking piece (50) is an inner hexagon bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111032092.8A CN113732377A (en) | 2021-09-03 | 2021-09-03 | Combined thread milling cutter with replaceable tooth pitch blades |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111032092.8A CN113732377A (en) | 2021-09-03 | 2021-09-03 | Combined thread milling cutter with replaceable tooth pitch blades |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113732377A true CN113732377A (en) | 2021-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111032092.8A Pending CN113732377A (en) | 2021-09-03 | 2021-09-03 | Combined thread milling cutter with replaceable tooth pitch blades |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113732377A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205237251U (en) * | 2015-12-28 | 2016-05-18 | 台州中天工具有限公司 | Machine presss from both sides formula thread fraise |
| US20170129029A1 (en) * | 2014-06-13 | 2017-05-11 | Walter Ag | Thread milling cutter |
| CN110899871A (en) * | 2019-11-26 | 2020-03-24 | 成都比扬精密机械有限公司 | Deep hole thread milling cutter |
| CN111215679A (en) * | 2019-11-05 | 2020-06-02 | 合肥百恒设备模具有限公司 | Reverse milling cutter structure |
| CN215698601U (en) * | 2021-09-03 | 2022-02-01 | 常州机电职业技术学院 | Combined thread milling cutter with replaceable tooth pitch blades |
-
2021
- 2021-09-03 CN CN202111032092.8A patent/CN113732377A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170129029A1 (en) * | 2014-06-13 | 2017-05-11 | Walter Ag | Thread milling cutter |
| CN205237251U (en) * | 2015-12-28 | 2016-05-18 | 台州中天工具有限公司 | Machine presss from both sides formula thread fraise |
| CN111215679A (en) * | 2019-11-05 | 2020-06-02 | 合肥百恒设备模具有限公司 | Reverse milling cutter structure |
| CN110899871A (en) * | 2019-11-26 | 2020-03-24 | 成都比扬精密机械有限公司 | Deep hole thread milling cutter |
| CN215698601U (en) * | 2021-09-03 | 2022-02-01 | 常州机电职业技术学院 | Combined thread milling cutter with replaceable tooth pitch blades |
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