CN211028337U - Combined broach integrating key slot opening, trimming, chamfering and deburring - Google Patents
Combined broach integrating key slot opening, trimming, chamfering and deburring Download PDFInfo
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- CN211028337U CN211028337U CN201922254097.XU CN201922254097U CN211028337U CN 211028337 U CN211028337 U CN 211028337U CN 201922254097 U CN201922254097 U CN 201922254097U CN 211028337 U CN211028337 U CN 211028337U
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- deburring
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Abstract
The utility model relates to a collection keyway, trimming, chamfer and burring in compound broach of an organic whole, including cutter body (1), a plurality of broaching tooth (2), a plurality of chamfer tooth (3) and a plurality of deburring tooth (4), cutter body (1) includes pull head part (101) and broaching part (102) two sections, one side that broaching part (102) is close to pull head part (101) is provided with a plurality of broaching teeth (2), the afterbody of broaching part (102) is provided with a plurality of deburring teeth (4), a plurality of chamfer teeth (3) set up between broaching tooth (2) and deburring tooth (4). The utility model discloses with broaching, chamfer and burring collection in an organic whole, the back work piece need not further processing keyway and the burr of going the keyway side after broaching machine processing finishes, has improved production efficiency and has improved processingquality simultaneously to the degree of automation of whole course of working has been increased.
Description
Technical Field
The utility model relates to a broaching machine cutter technical field, especially a collect keyway, maintain, chamfer and burring in compound broach of an organic whole.
Background
When machining a groove in a workpiece, a broaching machine is generally used to machine the groove, particularly, an axial key groove is machined. The existing broaching machine for machining the key groove needs to chamfer the key groove after the broaching machine is used for machining the key groove, and needs to perform deburring treatment on the side surface of the key groove after the chamfering is finished. Wherein the chamfer is handled and the burring is manual processing, because the required precision of chamfer and burring is high, and artifical chamfer and burring mistake easily appears to there is work fatigue in the manual work, and the quality of chamfer and burring can obviously reduce after the staff is tired, can lead to the product to scrap when serious. Therefore, the prior key groove chamfering and deburring method has the problems of low working efficiency and poor quality.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's shortcoming, provide a collection keyway, maintain, chamfer and burring in compound broach of an organic whole.
The purpose of the utility model is realized through the following technical scheme: the utility model provides a collect keyway, repairment, chamfer and burring in compound broach of an organic whole, includes cutter body, a plurality of broaching tooth, a plurality of chamfer tooth and a plurality of deburring tooth, cutter body includes pull head part and broaching part two sections, and wherein the pull head part is convenient for will be drawn to fixed to the broaching machine on, one side that the broaching part is close to the pull head part is provided with a plurality of broaching teeth, and the broaching tooth carries out broaching processing to the workpiece surface and forms the groove, the afterbody of broaching part is provided with a plurality of deburring teeth, a plurality of chamfer teeth set up between broaching tooth and deburring tooth, and the chamfer tooth is used for carrying out the chamfer to the groove limit of broaching processing out, because burr can appear on the side of groove behind the chamfer, and deburring tooth carries out the burring to the side of groove behind the chamfer.
Preferably, the height of the broaching teeth is gradually increased from the slider portion toward the direction of the chamfered teeth. The tooth tops of the plurality of broaching teeth are positioned on the same straight line. The tooth tops of the broaching teeth are gradually raised at a fixed angle, so that the surface of the workpiece is gradually machined.
Preferably, the height of the chamfered teeth is gradually increased from the broaching teeth toward the deburring teeth. The tooth tops of the chamfer teeth are positioned on the same straight line. The tooth crest of the chamfering tooth gradually rises at a fixed angle, so that the groove edge on the workpiece is chamfered gradually.
Preferably, the cutter body is of a rectangular rod structure, the cross section of the chamfer tooth perpendicular to the long side direction of the rectangular rod structure is a trapezoidal surface, the bottom width of the trapezoidal surface is larger than the width of the bottom of the broaching tooth, the side edge of the trapezoidal surface contacts with the side line of the machined groove, a chamfer is formed under the moving action of the broach, the width of the top of the trapezoidal surface is smaller than the width of the top of the broaching tooth, the top of the chamfer tooth enters the machined groove, the side edge of the trapezoidal surface can contact with the side line of the machined groove, the horizontal plane is used as a reference, the maximum height of the chamfer tooth is not larger than the maximum height of the broaching tooth, and the chamfer tooth cannot contact with the bottom surface of the key groove to cause the change of the depth of the key groove.
Preferably, the cross-sections of the broaching teeth, the deburring teeth and the rectangular rod structure in the long side direction are rectangular surfaces, the widths of the broaching teeth and the deburring teeth are the same, the horizontal plane is used as a reference, the maximum height of the deburring teeth is not larger than the maximum height of the broaching teeth, and the deburring teeth cannot contact the bottom surface of the key groove to cause the change of the depth of the key groove.
Preferably, a distance exists between adjacent broaching teeth and chamfer teeth on the broaching portion, the length of the distance is larger than the thickness of a workpiece to be machined, the chamfer teeth are prevented from contacting the workpiece while the broaching teeth work, so that errors occur in the depth of the key groove and the size of the chamfer, a distance exists between adjacent chamfer teeth and deburring teeth on the broaching portion, the length of the distance is larger than the thickness of the workpiece to be machined, and the deburring teeth are prevented from contacting the workpiece while the chamfer teeth work, so that errors occur in the size of the chamfer are prevented from being influenced.
The utility model has the advantages of it is following:
with broaching, chamfer and burring collection in an organic whole, the back work piece need not further processing keyway and goes the burr of keyway side after broaching machine processing finishes, has improved production efficiency and has improved processingquality simultaneously to the degree of automation of whole course of working has been increased.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 is a top view of the present invention;
in the figure: 1-cutter body, 2-broaching teeth, 3-chamfering teeth, 4-deburring teeth, 101-puller part and 102-broaching part.
Detailed Description
The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.
As shown in fig. 1, a composite broach integrating keyway opening, trimming, chamfering and deburring comprises a broach body 1, a plurality of broaching teeth 2, a plurality of chamfering teeth 3 and a plurality of deburring teeth 4, wherein the broach body 1 comprises a puller part 101 and a broaching part 102, the puller part 101 is convenient to be pulled and fixed on a broaching machine, one side of the broaching part 102 close to the puller part 101 is provided with the plurality of broaching teeth 2, the broaching teeth 2 perform broaching processing on the surface of a workpiece to form grooves, the tail part of the broaching part 102 is provided with the plurality of deburring teeth 4, the plurality of chamfering teeth 3 are arranged between the broaching teeth 2 and the deburring teeth 4, the chamfering teeth 3 are used for chamfering the edges of the broached grooves, and the deburring teeth 4 deburr the side surfaces of the chamfered grooves.
Preferably, the height of the broaching teeth 2 is gradually increased from the slider portion 101 to the direction of the chamfering teeth 3. The tops of the plurality of broaching teeth 2 are located on the same line. The tooth tips of the broaching teeth 2 are gradually raised at a fixed angle to facilitate the gradual machining of the surface of the workpiece.
Preferably, the height of the chamfer teeth 3 increases gradually from the broach teeth 2 in the direction of the deburring teeth 4. The tooth tops of the chamfer teeth 3 are positioned on the same straight line. The tooth crest of the chamfering tooth 3 gradually rises at a fixed angle, so that the groove edge on the workpiece is chamfered gradually.
Preferably, the cutter body 1 is of a rectangular rod structure, the cross section of the chamfer tooth 3 perpendicular to the long side direction of the rectangular rod structure is a trapezoidal surface, the bottom width of the trapezoidal surface is larger than the width of the bottom of the broaching tooth 2, the side edge of the trapezoidal surface contacts with the side line of the machined groove, a chamfer is formed under the moving action of the broach, the width of the top of the trapezoidal surface is smaller than the width of the top of the broaching tooth 2, the top of the chamfer tooth 3 enters the machined groove, the side edge of the trapezoidal surface can contact with the side line of the machined groove, the horizontal plane is used as a reference, the maximum height of the chamfer tooth 3 is not larger than the maximum height of the broaching tooth 2, and the chamfer tooth 3 cannot contact with the bottom surface of the key groove to cause the change of the depth of the key groove.
Preferably, the broaching teeth 2 and the deburring teeth 4 are rectangular surfaces on the cross sections perpendicular to the long side direction of the rectangular rod structure, the broaching teeth 2 and the deburring teeth 4 are the same in width, the horizontal plane is used as a reference, the maximum height of the deburring teeth 4 is not larger than the maximum height of the broaching teeth 2, and the deburring teeth 4 cannot contact the bottom surface of the key groove to cause the change of the depth of the key groove.
Preferably, a distance exists between the adjacent broaching teeth 2 and chamfer teeth 3 on the broaching portion 102, the length of the distance is greater than the thickness of the workpiece to be machined, the chamfer teeth 3 are prevented from contacting the workpiece while the broaching teeth 2 work, so that errors occur in the depth of the key groove and the size of the chamfer, a distance exists between the adjacent chamfer teeth 3 and deburring teeth 4 on the broaching portion 102, the length of the distance is greater than the thickness of the workpiece to be machined, and the deburring teeth 4 are prevented from contacting the workpiece while the chamfer teeth 3 work, so that errors occur in the size of the chamfer are prevented from being influenced.
The working process of the utility model is as follows: when the groove is machined on the workpiece, the broaching tool moves under the action of the broaching machine, and the broaching teeth 2 are gradually subjected to broaching machining on the surface of the workpiece due to the fact that the broaching teeth 2 are arranged at a certain angle, so that the groove is machined on the surface of the workpiece. After the broaching tooth 2 is machined, the side edge of the chamfer tooth 3 is in contact with the side line of the machined groove, and the chamfer tooth 3 is gradually machined into a chamfer on the groove because the height of the chamfer tooth 3 is arranged at a certain angle. Because the side of the groove can generate burrs when the groove is chamfered, after the chamfer tooth 3 is machined, the side edge of the deburring tooth 4 is contacted with the side of the groove to remove the burrs on the side of the groove.
Claims (8)
1. The utility model provides a collect keyway, maintain, chamfer and burring in compound broach of an organic whole which characterized in that: the tool comprises a tool body (1), wherein the tool body (1) comprises a pull head part (101) and two broaching parts (102), one side, close to the pull head part (101), of the broaching part (102) is provided with a plurality of broaching teeth (2), the tail part of the broaching part (102) is provided with a plurality of deburring teeth (4), and a plurality of chamfering teeth are arranged between the broaching teeth (2) and the deburring teeth (4).
2. The composite broach integrating keyway opening, trimming, chamfering and deburring as claimed in claim 1, wherein: the height of the broaching teeth (2) gradually increases from the slider part (101) to the direction of the chamfering teeth (3).
3. The composite broach integrating keyway opening, trimming, chamfering and deburring as claimed in claim 2, wherein: the tooth tops of the plurality of broaching teeth (2) are positioned on the same straight line.
4. The composite broach integrating keyway opening, trimming, chamfering and deburring as claimed in claim 1, wherein: the height of the chamfer tooth (3) gradually increases from the broaching tooth (2) to the deburring tooth (4).
5. The composite broach integrating keyway opening, trimming, chamfering and deburring as claimed in claim 4, wherein: the tooth tops of the chamfering teeth (3) are positioned on the same straight line.
6. The composite broach integrating keyway opening, trimming, chamfering and deburring as claimed in claim 1, wherein: the broach is characterized in that the cutter body (1) is of a rectangular rod structure, the cross section of the chamfer tooth (3) perpendicular to the long edge direction of the rectangular rod structure is a trapezoidal surface, the bottom width of the trapezoidal surface is larger than the width of the bottom of the broaching tooth (2), the width of the top of the trapezoidal surface is smaller than the width of the top of the broaching tooth (2), the horizontal plane is used as a reference, and the maximum height of the chamfer tooth (3) is not larger than the maximum height of the broaching tooth (2).
7. The composite broach integrating keyway opening, trimming, chamfering and deburring as claimed in claim 6, wherein: the broaching teeth (2) and the deburring teeth (4) are rectangular surfaces on the sections perpendicular to the long side direction of the rectangular rod structure, the broaching teeth (2) and the deburring teeth (4) are the same in width, the horizontal plane is used as a reference, and the maximum height of the deburring teeth (4) is not greater than the maximum height of the broaching teeth (2).
8. The composite broach integrating keyway opening, trimming, chamfering and deburring as claimed in claim 1, wherein: a space exists between adjacent broaching teeth (2) and chamfer teeth (3) on the broaching part (102), the length of the space between adjacent broaching teeth (2) and chamfer teeth (3) is greater than the thickness of a workpiece to be machined, a space exists between adjacent chamfer teeth (3) and deburring teeth (4) on the broaching part (102), and the length of the space between adjacent chamfer teeth (3) and deburring teeth (4) is greater than the thickness of the workpiece to be machined.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922254097.XU CN211028337U (en) | 2019-12-16 | 2019-12-16 | Combined broach integrating key slot opening, trimming, chamfering and deburring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922254097.XU CN211028337U (en) | 2019-12-16 | 2019-12-16 | Combined broach integrating key slot opening, trimming, chamfering and deburring |
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| Publication Number | Publication Date |
|---|---|
| CN211028337U true CN211028337U (en) | 2020-07-17 |
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| CN201922254097.XU Active CN211028337U (en) | 2019-12-16 | 2019-12-16 | Combined broach integrating key slot opening, trimming, chamfering and deburring |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110834120A (en) * | 2019-12-16 | 2020-02-25 | 四川德恩精工科技股份有限公司 | Combined broach integrating key slot opening, trimming, chamfering and deburring |
| CN113600914A (en) * | 2021-08-27 | 2021-11-05 | 四川德恩精工科技股份有限公司 | Combined broach |
-
2019
- 2019-12-16 CN CN201922254097.XU patent/CN211028337U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110834120A (en) * | 2019-12-16 | 2020-02-25 | 四川德恩精工科技股份有限公司 | Combined broach integrating key slot opening, trimming, chamfering and deburring |
| CN113600914A (en) * | 2021-08-27 | 2021-11-05 | 四川德恩精工科技股份有限公司 | Combined broach |
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