CN210412812U - Broaching machine orienting device - Google Patents
Broaching machine orienting device Download PDFInfo
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- CN210412812U CN210412812U CN201921270201.8U CN201921270201U CN210412812U CN 210412812 U CN210412812 U CN 210412812U CN 201921270201 U CN201921270201 U CN 201921270201U CN 210412812 U CN210412812 U CN 210412812U
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- cavity
- broach
- clamping body
- broaching machine
- cutter clamping
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Abstract
The utility model relates to a broaching machine orienting device, which comprises a cutter clamping body, a cutter clamping body and a cutter clamping body, wherein the first cavity is used for the penetration of a front handle part of a broaching tool; the top cap is fixedly connected with the cutter clamping body and arranged at the first end part of the cutter clamping body, and the first end part is one end of the cutter clamping body close to a part to be milled; one end of each of the at least two directional pins is fixedly connected with the top cap, and the other end of each of the at least two directional pins is provided with a spline; and the orientation key is arranged on the inner wall of the first cavity and/or the second cavity and is used for guiding the axial movement of the front handle part of the broach. The utility model provides a broaching machine orienting device makes the part at the broaching in-process, no longer need operating personnel to go to aim at with the hand and utilize directional structure automatic alignment, eliminates the potential safety hazard, guarantees directional precision, makes the part production and processing qualified.
Description
Technical Field
The invention relates to an orienting device, in particular to an orienting device of a broaching machine.
Background
Before broaching machining is carried out on a part, an operator needs to align a spline tooth groove in the part with a guide tooth on a front handle part of a broach by using one hand and then operate equipment by using the other hand, and the sight of the operator needs to pay attention to the equipment and the part simultaneously. Potential safety hazards exist, but cannot be avoided. And because there is orientation error and unstability in manual alignment, can cause the part flank in the broaching process to be pulled and damaged, lead to scrapping, there is the quality phenomenon.
Disclosure of Invention
The invention provides a broaching machine orienting device for avoiding potential safety hazards and quality phenomena in the machining process, which can ensure the relative positions of a broaching tool and a part and ensure that the broaching tool realizes accurate broaching.
The technical scheme adopted by the invention is as follows: a broaching machine orientation device comprises
The broach body comprises a first cavity, the first cavity is used for penetrating a front handle part of a broach, and the first cavity is a cylindrical cavity;
the top cap is fixedly connected with the cutter clamping body and arranged at the first end part of the cutter clamping body, the first end part is one end, close to a part to be milled, of the cutter clamping body, a second cavity is arranged in the top cap, the second cavity is a cylindrical cavity, and the first cavity is communicated with the second cavity;
one end of each of the at least two directional pins is fixedly connected with the top cap, the other end of each of the at least two directional pins is provided with a spline, the splines of the directional pins are matched with the splines of the parts to be milled, and the direction of each of the directional pins is parallel to the axial direction of the first cavity and the second cavity;
and the orientation key is arranged on the inner wall of the first cavity and/or the second cavity and is used for guiding the axial movement of the front handle part of the broach.
Furthermore, the first cavity and the second cavity are coaxial, and the radius of the first cavity is equivalent to that of the second cavity.
Further, the top cap is fixed on the cutter clamping body through a screw.
Further, the front handle part side wall of the broach comprises an arc-shaped curved surface and a milling plane, the orientation plane of the orientation key is a plane, the milling plane of the broach moves along the orientation plane of the orientation key, and the arc-shaped curved surface of the broach is attached to the inner wall of the first cavity or the second cavity.
Further, the front handle part of the broach comprises a cylindrical handle part, one side of the cylindrical handle part is milled flat to form a milling plane, and the radius of the cylindrical handle part is equivalent to that of the first cavity and the second cavity.
Furthermore, the orientation key is of a cuboid structure, one side face of the cuboid structure is an orientation surface, the orientation surface faces the first cavity or the second cavity, and an edge of the orientation surface close to the part is polished to form an inclined surface.
Furthermore, the orientation key is arranged at the joint of the first cavity and the second cavity, a first groove and a second groove are respectively arranged on the top cap and the side wall of the cutter clamping body, and the orientation key is arranged in the groove formed by the first groove and the second groove.
Furthermore, be provided with the locating pin hole on the hood lateral wall, locating pin hole axial and second cavity axial are parallel, the locating pin hole is provided with three, directional round pin one end interference fit is in the locating pin hole.
The beneficial effects produced by the invention comprise: the broaching machine orienting device ensures that the part is automatically aligned by utilizing the orienting structure without aligning by hands of an operator in the broaching process, eliminates potential safety hazards, ensures the orienting precision and ensures that the part is qualified in production and processing.
Drawings
FIG. 1 is a sectional view of a device of a broaching machine orientation structure;
FIG. 2 is a top view of the broaching machine orientation feature;
FIG. 3 is a schematic perspective view of the overcap;
FIG. 4 is a front view of the overcap;
FIG. 5 is a top view of the overcap;
FIG. 6 is a schematic structural view of a locating pin;
FIG. 7 is a schematic perspective view of the orientation key;
FIG. 8 is a top view of the orientation key;
FIG. 9 is a side view of the orientation key;
fig. 10 is a schematic view of the structure of the broach.
In the figure, 1, a cutter clamping body, 101, a first cavity, 2, a top cap, 201, a second cavity, 202, a positioning pin hole, 203, a first screw counter bore, 204, a first groove, 3, an orientation pin, 301, a spline end, 4, an orientation key, 401, an orientation surface, 402, an inclined surface, 403, a second screw counter bore, 5, a part, 6, a broach, 601, a first cylinder structure, 602, a second cylinder structure, 603, a third cylinder structure, 604 and a milling plane.
Detailed Description
The present invention is explained in further detail below with reference to the drawings and the specific embodiments, but it should be understood that the scope of the present invention is not limited to the specific embodiments.
As shown in the figure, the broach 6 orienting device comprises a broach body 1, a top cap 2, an orienting pin 3 and an orienting key 4, wherein the broach body 1 comprises a first cavity 101, the first cavity 101 is used for penetrating a front handle part of the broach 6, the first cavity 101 is a cylindrical cavity, the top cap 2 is fixedly connected with the broach body 1 and arranged at a first end part of the broach body 1, the first end part is one end of the broach body 1 close to a part 5 to be milled, a second cavity 201 is arranged in the top cap 2, the second cavity 201 is a cylindrical cavity, the first cavity 101 is communicated with the second cavity 201, the first cavity 101 is coaxial with the second cavity 201, and the front handle part of the broach 6 penetrates through the second cavity 201 of the top cap 2 to enter the first cavity 101; directional pin 3 is provided with threely, be used for the location to wait to mill part 5, 3 circumference of three directional pin evenly set up in 2 week sides of hood, 3 one end fixed connection hood 2 of directional pin, the other end is spline end 301, spline end 301 is provided with the spline, and the spline of directional pin 3 cooperatees with the spline of waiting to mill part 5, 3 directions of directional pin and the axial direction parallel of first cavity 101 and second cavity 201, set up three location pinhole 202 at 2 lateral walls of hood in this embodiment, location pinhole 202 axial and second cavity 201 axial direction parallel, the one end interference fit of directional pin 3 connection hood 2 is in location pinhole 202, three directional pins 3 stretch out the same of height of hood 2. When the part 5 needs to be machined, the position of the part 5 is fixed after the splines at the ends of the three orientation pins 3 are matched with the splines of the part 5. Set up first screw counter bore 203 on hood 2, pass first screw counter bore 203 through the screw and assemble on pressing from both sides cutter body 1, specifically, set up the shoulder hole in pressing from both sides cutter body 1, the 2 excircle clearance fit of hood installs in the great aperture of shoulder hole, and first cavity 101 is the less aperture of shoulder hole.
The directional key 4 is arranged on the inner walls of the first cavity 101 and the second cavity 201 and is used for guiding the axial movement of the front handle part of the broach 6, the connection part of the first cavity 101 and the second cavity 201 is provided with an orientation key 4, specifically a first groove 204 is formed on the inner wall of one end of the top cap 2 connected with the cutter body 1, a second groove is arranged on the inner wall of one end of the cutter clamping body 1, which is connected with the top cap 2, the first groove 204 is communicated with the second groove, the directional key 4 is arranged in the first groove 204 and the second groove, the directional surface 401 of the directional key 4 faces to the inside of the cavity, the broaching tool 6 moves axially along the directional surface 401, the radial rotation cannot be generated under the action of the orientation surface 401, the orientation key 4 is provided with a second screw counter bore 403, a screw passes through the first screw counter bore 203 and the second screw counter bore 403 to assemble the top cap 2 on the clamp body, and a slot hole is formed by the combination of the first groove 204 and the second groove which are assembled through the screw. The sum of the lengths of the first groove 204 and the second groove is slightly larger than the height of the orientation key 4, so that the orientation key 4 is ensured to leave a small amount of axial clearance in the groove.
In this embodiment, the front handle portion of the cutter body 1 includes a first cylinder structure 601, a second cylinder structure 602 and a third cylinder structure 603, the second cylinder structure 602 is disposed between the first cylinder structure 601 and the third cylinder structure 603, one side of the front handle portion is milled flat to form a milling plane 604, the other sides are not processed, and the directional end surface of the directional key 4 is aligned with the end surface of the milled flat structure (milling plane 604) on the front handle portion of the broach 6 in a superposition manner, so that the broach 6 can only face a specific direction and cannot deflect greatly. The orientation key 4 is a cuboid whose one side surface is a positioning end surface and the positioning end surface side is provided with an inclined surface 402 structure. The inclined plane 402 is arranged to ensure that the front handle of the broach 6 smoothly enters the positioning end face, the radius of the first cylinder structure 601 is equal to the radius of the third cylinder structure 603 and is equal to the radius of the first cavity 101 and the radius of the second cavity 201, the radius of the second cylinder structure 602 is smaller than the radius of the first cylinder structure 601, and the milling plane 604 is at least arranged on the first cylinder structure 601, the second cylinder structure 602 and the third cylinder structure 603. When the front handle part of the broach 6 firstly enters the second cavity 201 of the top cap 2 and continuously moves towards the first cavity 101, the milling plane 604 of the front handle part of the broach 6 is overlapped and contacted with the positioning end surface on the orientation key 4, so that the broach 6 is oriented, the broach 6 cannot rotate circumferentially, and after the guide teeth of the broach 6 enter the part 5, the guide teeth just correspond to the internal spline tooth grooves of the part 5.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by using equivalent alternatives or equivalent variations fall within the scope of the present invention.
The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the content of the embodiment. It will be apparent to those skilled in the art that various changes and modifications can be made within the technical scope of the present invention, and any changes and modifications made are within the protective scope of the present invention.
Claims (8)
1. A broaching machine orienting device is characterized in that: comprises that
The broach body comprises a first cavity, the first cavity is used for penetrating a front handle part of a broach, and the first cavity is a cylindrical cavity;
the top cap is fixedly connected with the cutter clamping body and arranged at the first end part of the cutter clamping body, the first end part is one end, close to a part to be milled, of the cutter clamping body, a second cavity is arranged in the top cap, the second cavity is a cylindrical cavity, and the first cavity is communicated with the second cavity;
one end of each of the at least two directional pins is fixedly connected with the top cap, the other end of each of the at least two directional pins is provided with a spline, the splines of the directional pins are matched with the splines of the parts to be milled, and the direction of each of the directional pins is parallel to the axial direction of the first cavity and the second cavity;
and the orientation key is arranged on the inner wall of the first cavity and/or the second cavity and is used for guiding the axial movement of the front handle part of the broach.
2. The broaching machine orientation device of claim 1, wherein: the first cavity and the second cavity are coaxial, and the radius of the first cavity is equivalent to that of the second cavity.
3. The broaching machine orientation device of claim 1, wherein: the top cap is fixed on the cutter clamping body through a screw.
4. The broaching machine orientation device of claim 1, wherein: the side wall of the front handle part of the broach comprises an arc-shaped curved surface and a milling plane, the positioning end face of the orientation key is a plane, the milling plane of the broach moves along the positioning end face of the orientation key, and the arc-shaped curved surface of the broach is attached to the inner wall of the first cavity or the second cavity.
5. The broaching machine orientation device of claim 1, wherein: the front handle part of the broach comprises a cylindrical handle part, one side of the cylindrical handle part is milled flat to form a milling plane, and the radius of the cylindrical handle part is equivalent to that of the first cavity and the second cavity.
6. The broaching machine orientation device of claim 1, wherein: the orientation key is of a cuboid structure, one side face of the cuboid structure is a positioning end face, the positioning end face faces towards the first cavity or the second cavity, and a ridge of the positioning end face, which is close to the part, is polished to form an inclined plane.
7. The broaching machine orientation device of claim 1, wherein: the orientation key is arranged at the joint of the first cavity and the second cavity, a first groove and a second groove are respectively arranged on the top cap and the side wall of the cutter clamping body, and the orientation key is arranged in the groove formed by the first groove and the second groove.
8. The broaching machine orientation device of claim 1, wherein: the side wall of the top cap is provided with three through holes, the axial direction of each through hole is axially parallel to the axial direction of the second cavity, and one end of each orientation pin is in interference fit in each through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921270201.8U CN210412812U (en) | 2019-08-07 | 2019-08-07 | Broaching machine orienting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921270201.8U CN210412812U (en) | 2019-08-07 | 2019-08-07 | Broaching machine orienting device |
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| Publication Number | Publication Date |
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| CN210412812U true CN210412812U (en) | 2020-04-28 |
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| CN201921270201.8U Active CN210412812U (en) | 2019-08-07 | 2019-08-07 | Broaching machine orienting device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110340429A (en) * | 2019-08-07 | 2019-10-18 | 江苏上汽汽车变速器有限公司 | A kind of broaching machine orienting device |
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2019
- 2019-08-07 CN CN201921270201.8U patent/CN210412812U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110340429A (en) * | 2019-08-07 | 2019-10-18 | 江苏上汽汽车变速器有限公司 | A kind of broaching machine orienting device |
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