CN220761261U - Clamp suitable for chamfering external spline of shaft part - Google Patents
Clamp suitable for chamfering external spline of shaft part Download PDFInfo
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- CN220761261U CN220761261U CN202322246930.2U CN202322246930U CN220761261U CN 220761261 U CN220761261 U CN 220761261U CN 202322246930 U CN202322246930 U CN 202322246930U CN 220761261 U CN220761261 U CN 220761261U
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- 230000008602 contraction Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 12
- 230000000007 visual effect Effects 0.000 abstract description 6
- 238000003754 machining Methods 0.000 description 7
- 238000005553 drilling Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model relates to a tooth aligning clamp, which aims to solve the problems that in the prior art, when teeth are aligned in the chamfering process, a visual alignment method is usually adopted, but the visual alignment method is not accurate enough, so that the quality of a processed part is not easy to reach the standard, and provides a clamp suitable for chamfering external splines of shaft parts. The fixture suitable for chamfering the external spline of the shaft part comprises a cylindrical base, a conical expansion sleeve embedded in the base, a tooth alignment base arranged on the outer wall of the base, a turning plate clamped on one side of the tooth alignment base close to the front end of the base, and a tooth alignment pin arranged through the front end of the turning plate; the outer wall of the base is provided with a flange plate; the flange plate is provided with a connecting piece connected with other equipment. The utility model has the functions of clamping the shaft part to be processed and aligning teeth, the aligning teeth range is adjustable, the ball head of the aligning tooth pin is replaceable, and the consistency of processing positions is ensured.
Description
Technical Field
The utility model relates to a tooth aligning clamp, in particular to a clamp suitable for chamfering external splines of shaft parts.
Background
In machining, the end face of the combined tooth of the shaft part is required to be rounded, the tooth is required to be aligned before rounding, namely, the external spline of the shaft part to be machined is fixed, and other cutters are prevented from striking the shaft part to be machined. In the prior art, when the teeth are aligned in the process of chamfering, a visual alignment method is generally adopted, but the visual alignment method is not accurate enough, so that the quality of the machined part is not easy to reach the standard.
Chinese patent CN218983975U discloses a floating positioning tooth aligning drilling fixture, comprising a supporting seat, a long connecting rod, a short connecting rod, a tooth aligning member and a hinge shaft; the support seat comprises an annular seat body; the annular seat body is sleeved on the quick-change body; the lower end of the long connecting rod is hinged with one end of the short connecting rod through a hinge shaft; the other end of the short connecting rod is connected with the base; the tooth aligning piece is connected with the upper end of the long connecting rod. However, the clamping process of the floating positioning tooth aligning drilling clamp is very complex, and tooth aligning work during chamfering cannot be completed.
Disclosure of Invention
The utility model aims to solve the problem that the quality of a processed part is difficult to reach the standard because a visual alignment method is usually adopted in the tooth alignment process of chamfering in the prior art, but the visual alignment method is not accurate enough, and provides a clamp suitable for chamfering external splines of shaft parts.
In order to achieve the above purpose, the technical solution provided by the present utility model is:
the utility model provides a fixture suitable for external spline chamfer of axle type part which characterized in that:
the device comprises a cylindrical base, a conical expansion sleeve embedded in the base, a tooth alignment base arranged on the outer wall of the base, a turning plate clamped on one side of the tooth alignment base close to the front end of the base, and a tooth alignment pin arranged through the front end of the turning plate; the front end of the inner wall of the base is a conical surface with the large end outwards, and the rear end of the inner wall is stepped; the conical expansion sleeve is a combination body formed by splicing a conical frustum and a cylinder, wherein the cylinder is divided into a large cylinder section and a small cylinder section, the small end of the conical frustum is connected with the end face of the large cylinder section, and at least four strip-shaped expansion and contraction grooves extending along the axial direction are uniformly distributed on the conical frustum in the circumferential direction; the tooth aligning gauge base comprises an arc-shaped plate and a U-shaped connecting plate vertically arranged on one side of the arc-shaped plate, which is close to the front end of the base; the arc-shaped plate is provided with a waist-shaped hole, and is arranged on the outer wall of the base through a first screw penetrating through the waist-shaped hole; the turning plate is arranged between the two wall plates of the U-shaped connecting plate through a connecting bolt, the tail end of the connecting bolt is provided with a mounting nut, and the middle part of the turning plate is provided with a positioning groove extending along the axis direction parallel to the conical expansion sleeve; the tooth aligning pin is divided into an upper part and a lower part, the upper end of the upper part is provided with a positioning nut, the diameter of the upper part is smaller than that of the lower part, the joint of the upper part and the lower part is provided with a positioning step, and the upper part is positioned and installed in the positioning groove through the positioning nut and the positioning step; the lower end of the lower part is connected with a ball head through a truncated cone.
Further, gaskets are arranged between the mounting nut and the turning plate and between the positioning nut and the turning plate, so that the looseness of the mounting nut or the positioning nut can be prevented.
Further, the conical surface taper of the base is 1:3, the depth of the conical surface is 40mm.
Further, a flange plate is arranged on the outer wall of the base; the flange plate is provided with a second screw connected with other equipment.
Further, the lengths of the strip-shaped grooves arranged on the conical expansion sleeve are 76mm, and the widths of the strip-shaped grooves are 2mm.
Further, the radius of the toothed pin ball head is 4.5mm, and the ball head can be replaced according to actual requirements.
Compared with the prior art, the utility model has the beneficial effects that:
1. the conical expansion sleeve is provided with the function of clamping the shaft part to be processed; the gear setting gauge base, the turning plate and the gear setting pin are arranged, the gear setting gauge has a gear setting function, the gear setting range can be adjusted by adjusting the positions of the gear setting gauge base and the turning plate, the ball head of the gear setting pin can be replaced, and the consistency of the machining positions of parts can be ensured;
2. by adopting the fixture suitable for the external spline rounding of the shaft part, the part machining production takt can be set to be 10s, and batch machining of the external spline rounding of the shaft part is realized.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a view in the B direction of FIG. 2;
FIG. 4 is an axial view of a base in an embodiment of the utility model;
FIG. 5 is a C-C cross-sectional view of FIG. 4;
FIG. 6 is a schematic view of a conical expansion sleeve according to an embodiment of the present utility model;
FIG. 7 is an axial view of FIG. 6;
FIG. 8 is a schematic view of a structure of a tooth gauge base according to an embodiment of the present utility model;
FIG. 9 is a D-D sectional view of FIG. 8;
FIG. 10 is a schematic view of a structure of a tooth gauge base according to an embodiment of the present utility model;
fig. 11 is a schematic structural view of a flap according to an embodiment of the present utility model;
FIG. 12 is a sectional E-E view of FIG. 11;
FIG. 13 is a schematic view of a tooth aligning pin according to an embodiment of the present utility model;
FIG. 14 is a side view of a tooth aligning pin in an embodiment of the present utility model;
reference numerals illustrate: 1-a base; 2-conical expansion sleeve and 201-strip expansion groove; 3-tooth gauge bases, 31-arc-shaped plates, 3101-kidney-shaped holes and 32-U-shaped connecting plates; 4-turning plates and 401-positioning grooves; 5-tooth pin pairs; 61-first screw, 62-connecting bolt, 63-second screw; 71-mounting nuts, 72-positioning nuts; 8-a gasket; 9-flange plate.
Detailed Description
The utility model will be further described with reference to the drawings and specific examples.
The fixture suitable for the external spline rounding of the shaft part comprises a cylindrical base 1, a conical expansion sleeve 2 embedded in the base 1, a tooth alignment base 3 arranged on the outer wall of the base 1, a turning plate 4 clamped on one side of the tooth alignment base 3 close to the front end of the base 1, and a tooth alignment pin 5 arranged through the front end of the turning plate 4, wherein the turning plate is provided with a plurality of grooves; the front end of the inner wall of the base 1 is a conical surface with the large end outwards, and the rear end of the inner wall is stepped; the conical expansion sleeve 2 is a combination formed by splicing a conical frustum and a cylinder, wherein the cylinder is divided into a large cylinder section and a small cylinder section, the small end of the conical frustum is connected with the end face of the large cylinder section, and at least four strip-shaped expansion and contraction grooves 201 extending along the axial direction are uniformly distributed on the conical frustum in the circumferential direction; the tooth aligning gauge base 3 comprises an arc-shaped plate 31 and a U-shaped connecting plate 32 vertically arranged on one side of the arc-shaped plate 31 close to the front end of the base 1; the arc plate 31 is provided with a waist-shaped hole 3101, and the arc plate 31 is arranged on the outer wall of the base 1 through a first screw 61 penetrating through the waist-shaped hole 3101; the turning plate 4 is arranged between the two wall plates of the U-shaped connecting plate 32 through a connecting bolt 62, the tail end of the connecting bolt 62 is provided with a mounting nut 71, and the middle part of the turning plate 4 is provided with a positioning groove 401 extending along the axis direction parallel to the conical expansion sleeve 2; the tooth aligning pin 5 is divided into an upper part and a lower part, the upper end of the upper part is provided with a positioning nut 72, the diameter of the upper part is smaller than that of the lower part, the joint of the upper part and the lower part is a positioning step, and the upper part is positioned and installed in the positioning groove 401 through the positioning nut 72 and the positioning step; the lower end of the lower part is connected with a ball head through a truncated cone.
Washers 8 are arranged between the mounting nut 71 and the turning plate 4 and between the positioning nut 72 and the turning plate 4, so that the looseness of the mounting nut 71 or the positioning nut 72 can be prevented.
The conical surface taper of the base 1 is 1:3, the depth of the conical surface is 40mm.
A flange 9 is arranged on the outer wall of the base 1; the flange 9 is provided with second screws 63 for connection with other equipment.
The length of the strip-shaped grooves arranged on the conical expansion sleeve 2 is 76mm, and the width is 2mm.
The radius of the ball head of the toothed pin 5 is 4.5mm, and the ball head can be replaced according to actual requirements.
Meanwhile, the embodiment also provides a use method of the fixture suitable for chamfering the external spline of the shaft part, which comprises the following steps:
step 1, assembling a fixture suitable for chamfering external splines of shaft parts;
step 2, mounting a fixture suitable for chamfering external splines of shaft parts on a machine tool; mounting the shaft part to be processed into the conical expansion sleeve 2 so that the shaft part to be processed is clamped;
step 3, replacing a proper ball head for the tooth aligning pin 5 according to spline tooth part parameters of the shaft part to be processed;
step 4, adjusting the positions of the tooth gauge base 3 and the turning plate 4; loosening the positioning nut 72, adjusting the position of the tooth aligning pin 5 to enable the tooth groove of the shaft part to be processed to be in contact fit with the ball head of the tooth aligning pin 5, and locking the positioning nut 72;
step 5, starting the machine tool, wherein the chamfering tool starts to process the first tooth, and automatically rotating the machine tool by a set angle after the processing is completed to drive the shaft part to be processed to rotate by a tooth angle; repeating the operation until all tooth surfaces of the shaft part to be machined are machined;
and 6, loosening a main shaft of the machine tool to separate the conical expansion sleeve 2 from the shaft part to be machined, and taking out the shaft part to be machined.
The conical expansion sleeve 2 is arranged, and has the function of clamping the shaft part to be processed; the tooth aligning gauge base 3, the turning plate 4 and the tooth aligning pin 5 are arranged, the tooth aligning function is realized, the tooth aligning range is adjustable, the ball head of the tooth aligning pin 5 is replaceable, and the consistency of the machining positions of parts can be ensured; by adopting the fixture suitable for the external spline rounding of the shaft part, the part machining production takt can be set to be 10s, and batch machining of the external spline rounding of the shaft part is realized.
Claims (6)
1. Clamp suitable for chamfering external splines of shaft parts, and is characterized in that:
the device comprises a cylindrical base (1), a conical expansion sleeve (2) embedded in the base (1), a tooth alignment base (3) arranged on the outer wall of the base (1), a turning plate (4) clamped on one side of the tooth alignment base (3) close to the front end of the base (1), and a tooth alignment pin (5) arranged through the front end of the turning plate (4);
the front end of the inner wall of the base (1) is a conical surface with the large end outwards, and the rear end of the inner wall is stepped; the conical expansion sleeve (2) is a combined body formed by splicing a conical frustum and a cylinder, wherein the cylinder is divided into a large cylinder section and a small cylinder section, the small end of the conical frustum is connected with the end face of the large cylinder section, and at least four strip-shaped expansion and contraction grooves (201) extending along the axial direction are uniformly distributed on the conical frustum in the circumferential direction; the tooth aligning gauge base (3) comprises an arc-shaped plate (31) and a U-shaped connecting plate (32) vertically arranged on one side of the arc-shaped plate (31) close to the front end of the base (1); the arc-shaped plate (31) is provided with a kidney-shaped hole (3101), and the arc-shaped plate (31) is arranged on the outer wall of the base (1) through a first screw (61) penetrating through the kidney-shaped hole (3101); the turning plate (4) is arranged between two wall plates of the U-shaped connecting plate (32) through a connecting bolt (62), the tail end of the connecting bolt (62) is provided with a mounting nut (71), and the middle part of the turning plate (4) is provided with a positioning groove (401) extending along the axis direction parallel to the conical expansion sleeve (2); the tooth aligning pin (5) is divided into an upper part and a lower part, the upper end of the upper part is provided with a positioning nut (72), the diameter of the upper part is smaller than that of the lower part, the joint of the upper part and the lower part is a positioning step, and the upper part is positioned and installed in the positioning groove (401) through the positioning nut (72) and the positioning step; the lower end of the lower part is connected with a ball head through a truncated cone.
2. The fixture for rounding external splines of shaft parts according to claim 1, wherein:
washers (8) are arranged between the mounting nut (71) and the turning plate (4) and between the positioning nut (72) and the turning plate (4).
3. The fixture for rounding external splines of shaft parts according to claim 1, wherein:
the conical surface taper of the base (1) is 1:3, the depth of the conical surface is 40mm.
4. A fixture for external spline rounding of shaft-like parts according to claim 3, characterized in that:
a flange (9) is arranged on the outer wall of the base (1); the flange plate (9) is provided with a second screw (63) connected with other equipment.
5. The fixture for rounding external splines of shaft parts according to claim 4, wherein:
the length of the strip-shaped grooves arranged on the conical expansion sleeve (2) is 76mm, and the width of the strip-shaped grooves is 2mm.
6. The fixture for rounding external splines of shaft parts according to claim 1, wherein:
the radius of the ball head of the tooth aligning pin (5) is 4.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322246930.2U CN220761261U (en) | 2023-08-21 | 2023-08-21 | Clamp suitable for chamfering external spline of shaft part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322246930.2U CN220761261U (en) | 2023-08-21 | 2023-08-21 | Clamp suitable for chamfering external spline of shaft part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220761261U true CN220761261U (en) | 2024-04-12 |
Family
ID=90614108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322246930.2U Active CN220761261U (en) | 2023-08-21 | 2023-08-21 | Clamp suitable for chamfering external spline of shaft part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220761261U (en) |
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2023
- 2023-08-21 CN CN202322246930.2U patent/CN220761261U/en active Active
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