CN219786765U - Round hole broaching tool with single key teeth - Google Patents
Round hole broaching tool with single key teeth Download PDFInfo
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- CN219786765U CN219786765U CN202223455830.2U CN202223455830U CN219786765U CN 219786765 U CN219786765 U CN 219786765U CN 202223455830 U CN202223455830 U CN 202223455830U CN 219786765 U CN219786765 U CN 219786765U
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- tooth
- cutting
- round hole
- teeth
- broaching
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- 238000005520 cutting process Methods 0.000 claims abstract description 54
- 238000005498 polishing Methods 0.000 claims abstract description 7
- 230000007704 transition Effects 0.000 claims abstract description 7
- 238000001514 detection method Methods 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 238000003754 machining Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
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- Milling, Broaching, Filing, Reaming, And Others (AREA)
Abstract
The utility model discloses a round hole broaching tool with single key teeth, which comprises a handle part, a neck part, a transition cone, a leading part, a round cutting tooth part, a plane tooth part, a finish cutting and calibrating part, a trailing part, a supporting part and the like. The cutter body part consists of a handle part, a neck part, a transition cone, a front guide part, a rear guide part and a support part, wherein the handle part, the neck part, the transition cone and the front guide part are arranged at the front end, and the rear guide part and the support part are arranged at the rear end; round cutting tooth portion, plane tooth portion, smart cutting and calibration portion constitute round hole broaching structural portion, locate on the cutter body, and round cutting tooth portion is used for cutting the round hole, and plane tooth portion is used for cutting the single bond, and smart cutting and calibration portion are used for correcting and polishing the round hole size of single bond tooth that has been processed. The utility model can realize the one-time clamping and broaching of the round hole with the single key tooth, does not need to replace a cutter in the operation process, has reasonable design, simple structure, easy implementation, convenient use and high precision, and improves the processing efficiency.
Description
Technical Field
The utility model belongs to the technical field of machining tools, and particularly relates to a round hole broaching tool with single-key teeth, which is suitable for machining round hole structures with single-key teeth in various specifications.
Background
In real life, when processing the round hole with single key tooth (as shown in fig. 1), need many times processing, many times clamping, produce the error easily, lead to inefficiency.
Disclosure of Invention
The utility model provides a round hole broaching tool with single-key teeth, which realizes the completion of one-time clamping and broaching of round holes with single-key teeth.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a take round hole broaching tool of single bond tooth, includes the cutter body and locates the round hole broaching structure on the cutter body, round hole broaching structure includes circle gear cutting portion, plane gear cutting portion, smart cutting and calibration portion, and wherein circle gear cutting portion is used for cutting the round hole, and plane gear cutting portion is used for cutting the single bond, and smart cutting and calibration portion are used for correcting and polishing the round hole size of single bond tooth that has processed.
Preferably, the cutter body includes a shank portion, a neck portion, a transition cone, a leading portion, a trailing portion and a support portion.
As a preferable mode of the scheme, the circular cutting tooth part is used for carrying out layered broaching on the circular hole and pre-cutting the single-key tooth part, the diameter D1 of the circular cutting tooth is determined according to the size of the leading part, the broaching allowance and the number of tooth rows, and the tooth lift amount between each row of cutter teeth is 0.04-0.05mm; the reserved allowance of the single key tooth part is controlled by ball detection.
As a preferable mode of the scheme, the planar tooth part is used for processing single bonds through layered cutting, and the diameter D2 size of the single bond broaching positioning excircle optical axis knot of the planar tooth part is consistent with the size of the last row of teeth D1 of the circular cutting tooth part; the height H is determined according to the broaching allowance of single-key teeth and the number of rows of teeth, and the tooth lift between each row of cutter teeth is 0.04-0.05mm; the width B dimension is designed according to the single bond width dimension of the workpiece.
As the optimization of the scheme, the fine cutting and calibrating part is divided into two parts, the front half part is a round tooth fine cutting part, the number of tooth rows is 3-5, the tooth lift is 0.01-0.02mm, and the diameter D3 size is determined according to the round hole diameter broaching allowance and the number of tooth rows; the latter half is round hole and single piece size processing calibration, polishing, tooth row number 3-5, no tooth lift.
Due to the structure, the utility model has the beneficial effects that:
the utility model can realize the one-time clamping and broaching of the round hole with the single key tooth, does not need to replace a cutter in the operation process, has reasonable design, simple structure, easy implementation, convenient use and high precision, and improves the processing efficiency.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are required to be used in the description of the embodiments will be briefly described below.
FIG. 1 is a schematic view of a circular hole structure with single-key teeth;
FIG. 2 is a schematic diagram of the overall structure of the present utility model;
FIG. 3 is a schematic cross-sectional view of a circular cutting tooth portion of the present utility model;
FIG. 4 is a schematic cross-sectional view of a planar tooth portion of the present utility model;
FIG. 5 is a schematic cross-sectional view of the finishing and calibration part of the present utility model.
Detailed Description
The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 2, the present embodiment provides a round hole broaching tool with single key teeth, which comprises a shank portion 1, a neck portion 2, a transition cone 3, a leading portion 4, a round cutting tooth portion 5, a plane tooth portion 6, a fine cutting and calibrating portion 7, a rear leading portion 8, a supporting portion 9 and other 9 portions. The cutter body part consists of a handle part 1, a neck part 2, a transition cone 3, a front guide part 4, a rear guide part 8 and a support part 9 which are arranged at the front end, and is of a broach general structure and is designed according to relevant standards; round cutting tooth portion 5, plane tooth portion 6, smart cutting and calibration portion 7 constitute round hole broaching structural portion, locate on the cutter body, and round cutting tooth portion 5 is used for cutting the round hole, and plane tooth portion 6 is used for cutting the single bond, and smart cutting and calibration portion 7 are used for correcting and polishing the round hole size of single bond tooth that has been processed, and tooth row number n takes value according to the design of processing product surplus.
As shown in fig. 3, the circular cutting tooth portion 5 is configured to perform layered broaching on the circular hole, and pre-cut the single-key tooth portion, where the diameter D1 of the circular cutting tooth is determined according to the size of the leading portion 4, the broaching allowance and the number of rows of teeth, and the tooth lift between the rows of cutter teeth is 0.04-0.05mm; the reserved allowance of the single key tooth part is controlled by ball detection.
As shown in fig. 4, the planar tooth portion 6 is designed as a planar tooth, and is used for machining a single bond through layered cutting, and the diameter D2 of the single bond broaching positioning excircle optical axis node of the planar tooth portion 6 is consistent with the size of the last row of teeth D1 of the circular cutting tooth portion 5; the height H is determined according to the broaching allowance of single-key teeth and the number of rows of teeth, and the tooth lift between each row of cutter teeth is 0.04-0.05mm; the width B dimension is designed according to the single bond width dimension of the workpiece.
As shown in fig. 5, the fine cutting and calibrating part 7 is divided into two parts, the front half part is a round tooth fine cutting, the number of tooth rows is 3-5, the tooth lift is 0.01-0.02mm, and the diameter D3 size is determined according to the round hole diameter broaching allowance and the number of tooth rows; the latter half is round hole and single piece size processing calibration, polishing, tooth row number 3-5, no tooth lift.
The working principle of the structure is as follows:
during processing, a round hole workpiece with single-key teeth is fixed, the cutter body is clamped and fixed through the two ends of the handle part 1 and the supporting part 9, then the cutter body starts to move, and the position is determined through the leading part 4; during broaching, the first part of circular cutting tooth part 5 firstly processes a circular hole and pre-cuts single-key teeth; then the second part of the plane tooth part 6 cuts the key slot, and the single-key tooth is subjected to fine cutting tooth forming in a layered cutting mode; and finally, the third part fine cutting and calibrating part 7 corrects and trims the size of the round hole and the single key of the workpiece.
The utility model can realize the completion of one-time clamping and broaching of the round hole with the single key tooth, does not need to change a cutter in the operation process, has convenient operation and improves the production efficiency.
The above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (5)
1. A round hole broaching tool with single key teeth is characterized in that: including the cutter body with locate the round hole broaching structure on the cutter body, round hole broaching structure includes round cutting tooth portion (5), plane tooth portion (6), smart cutting and calibration portion (7), wherein round cutting tooth portion (5) are used for cutting the round hole, and plane tooth portion (6) are used for cutting the single bond, and smart cutting and calibration portion (7) are used for correcting and polishing the round hole size of single bond tooth that has processed.
2. A round hole broaching tool with single key teeth according to claim 1, wherein: the cutter body comprises a handle part (1) arranged at the front end, a neck part (2), a transition cone (3), a front guide part (4), a rear guide part (8) arranged at the rear end and a supporting part (9).
3. A round hole broaching tool with single key teeth according to claim 1, wherein: the circular cutting tooth part (5) is used for carrying out layered broaching on the round hole and pre-cutting the single-key tooth part, the diameter D1 of the circular cutting tooth is determined according to the size of the leading part (4), the broaching allowance and the number of tooth rows, and the tooth lift amount between each row of cutter teeth is 0.04-0.05mm; the reserved allowance of the single key tooth part is controlled by ball detection.
4. A round hole broaching tool with single key teeth according to claim 1, wherein: the plane tooth part (6) is used for processing single bonds through layered cutting, and the diameter D2 of the single bond broaching positioning excircle optical axis knot of the plane tooth part (6) is consistent with the size of the last row of teeth D1 of the circular cutting tooth part (5); the height H is determined according to the broaching allowance of single-key teeth and the number of rows of teeth, and the tooth lift between each row of cutter teeth is 0.04-0.05mm; the width B dimension is designed according to the single bond width dimension of the workpiece.
5. A round hole broaching tool with single key teeth according to claim 1, wherein: the fine cutting and calibrating part (7) is divided into two parts, the front half part is finely cut by round teeth, the number of the teeth is 3-5, the tooth lift is 0.01-0.02mm, and the diameter D3 size is determined according to the round hole diameter broaching allowance and the number of the teeth; the latter half is round hole and single piece size processing calibration, polishing, tooth row number 3-5, no tooth lift.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223455830.2U CN219786765U (en) | 2022-12-23 | 2022-12-23 | Round hole broaching tool with single key teeth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223455830.2U CN219786765U (en) | 2022-12-23 | 2022-12-23 | Round hole broaching tool with single key teeth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219786765U true CN219786765U (en) | 2023-10-03 |
Family
ID=88150434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223455830.2U Active CN219786765U (en) | 2022-12-23 | 2022-12-23 | Round hole broaching tool with single key teeth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219786765U (en) |
-
2022
- 2022-12-23 CN CN202223455830.2U patent/CN219786765U/en active Active
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