Shaft part indexing key groove machining and positioning device

Abstract

The utility model relates to the technical field of shaft part machining and positioning devices, in particular to a shaft part indexing key groove machining and positioning device. Structures such as a supporting seat, an indexing plate, a dial indicator and a pressing mechanism with specific structures and position relations are designed; the indexing plate is provided with corresponding positioning planes for a first key groove and a second key groove of a shaft part body, the first key groove and the second key groove are different in angle, a three-axis moving mechanism on a boring machine main shaft is matched with a dial indicator to align the positioning planes, and multiple times of fine adjustment of the shaft part body is guided. Therefore, angle positioning can be carried out on machining parts of key grooves with different angles of shaft parts more accurately.

Description

Technical Field

[0001] The utility model relates to the technical field of shaft part processing and positioning devices, in particular to a shaft part indexing keyway processing and positioning device. Background Art

[0002] During the processing of shaft parts, it is necessary to open multiple indexing keyways with different angles on the side of the shaft parts; including the first keyway and the second keyway with different angle distributions. Such keyways generally need to be processed on a boring machine or a gantry CNC machine tool. The existing processing method requires marking the position where the keyway needs to be opened on the shaft part, and then aligning the marked position to mill the keyway. This processing method has low processing accuracy and it is difficult to meet the indexing accuracy requirements of the drawing design.

[0003] Therefore, there is an urgent need to provide a shaft part indexing keyway processing positioning device that can more accurately perform angular positioning on the processing parts of keyways at different angles of shaft parts. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a device for machining and positioning indexing keyways of shaft parts, which can more accurately perform angular positioning on machining parts of keyways of shaft parts at different angles.

[0005] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0006] A device for machining and positioning indexing keyways of shaft parts, comprising:

[0007] frame;

[0008] Support seats, two or more support seats are arranged along the X direction, used to support the shaft parts body, so that the axial direction of the shaft parts in the supported state is the X direction;

[0009] A dividing plate, the dividing plate being fixed to one end of the shaft component body by screws, the dividing plate comprising a first positioning plane for locating the position of the first keyway, and a second positioning plane for locating the position of the second keyway, the first positioning plane being perpendicular to the axial direction of the first keyway relative to the shaft component body, and the second positioning plane being perpendicular to the axial direction of the second keyway relative to the shaft component body;

[0010] A boring machine spindle, wherein the boring machine spindle is connected to the frame via an XYZ three-axis moving module;

[0011] A dial indicator connected to the main shaft of the boring machine through a connecting mechanism;

[0012] A clamping mechanism is connected to the frame and is used to press against the shaft part body for clamping and positioning the shaft part body.

[0013] Furthermore, in the structure of the above-mentioned indexing keyway processing and positioning device for shaft parts, the support seat is a V-shaped support seat.

[0014] Furthermore, the above-mentioned shaft parts indexing keyway processing and positioning device structure further includes:

[0015] Angle adjustment bolts: two angle adjustment bolts are connected to the end of the shaft part body away from the dividing plate;

[0016] An adjusting rod is arranged between two angle adjusting bolts.

[0017] Furthermore, the above-mentioned shaft parts indexing keyway processing and positioning device structure further includes:

[0018] The fine-tuning bracket includes a column, and a first positioning plate and a second positioning plate connected to the side of the column. The first positioning plate is threadedly connected to a first positioning bolt, and the second positioning plate is threadedly connected to a second positioning bolt.

[0019] Furthermore, in the structure of the indexing keyway processing and positioning device for shaft parts, the connecting mechanism includes:

[0020] An L-shaped connecting frame, one end of which is detachably connected to the main shaft of the boring machine, and the micrometer is detachably connected to the other end of the L-shaped connecting frame.

[0021] Furthermore, in the structure of the indexing keyway processing and positioning device for shaft parts, the connecting mechanism includes:

[0022] A first connecting rod and a second connecting rod are vertically connected, wherein the first connecting rod is rotatably connected to the main shaft of the boring machine through a bearing seat, and the axial direction of the first connecting rod is parallel to the axial direction of the main shaft of the boring machine;

[0023] The dial indicator is connected to the second connecting rod;

[0024] It also includes a driving mechanism, which is in transmission connection with the first connecting rod and is used to drive the first connecting rod to rotate;

[0025] In the positioning processing method, in S6 or S12, transferring the dial indicator specifically includes: controlling the driving mechanism to drive the first connecting rod to rotate, so that the second connecting rod and the dial indicator rotate to above the first connecting rod.

[0026] Furthermore, in the above-mentioned indexing keyway processing and positioning device structure for shaft parts, in the indexing and positioning device structure, the driving mechanism includes a motor, a first bevel gear and a second bevel gear, the motor is connected to the main shaft of the boring machine, the first bevel gear is connected to the output shaft of the motor, the second bevel gear is coaxially sleeved on the first connecting rod, and the first bevel gear is engaged with the second bevel gear.

[0027] The beneficial effects of the present invention are as follows: by designing structures such as a support seat, a dividing plate, a micrometer, and a clamping mechanism with specific structures and positional relationships; the dividing plate sets corresponding positioning planes for the first keyway and the second keyway at two different angles of the shaft part body, and the three-axis moving mechanism on the boring machine spindle is used in conjunction with the micrometer to align the positioning planes, guiding multiple fine-tuning of the shaft part body, thereby enabling more accurate angular positioning of the processing parts of the keyways at different angles of the shaft part. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 A Y-axis schematic diagram of a shaft-type component body according to a specific embodiment of the present invention;

[0029] Figure 2 for Figure 1 AA cross-section diagram;

[0030] Figure 3 for Figure 1 BB cross-section diagram;

[0031] Figure 4 This is a Y-axis view of a shaft part indexing keyway processing and positioning device according to a specific embodiment of the utility model when it is connected to the shaft part body;

[0032] Figure 5 This is a Y-axis schematic diagram of a shaft part indexing keyway machining and positioning device according to a specific embodiment of the utility model, in which the adjusting rod is rotated to adjust the angle of the shaft part until the first positioning plane is perpendicular to the main shaft of the boring machine when the adjusting rod is rotated to adjust the angle of the shaft part;

[0033] Figure 6 This is a Y-axis schematic diagram of the state of the adjustment rod when fine-tuning the first positioning plane when the indexing keyway processing and positioning device for shaft parts is connected to the shaft part body according to a specific embodiment of the utility model;

[0034] Figure 7 This is a schematic diagram of an X-axis direction of a positioning device for machining indexing keyways of shaft parts according to a specific embodiment of the present invention in an alignment state on a first positioning plane;

[0035] Figure 8 This is an X-axis schematic diagram of a shaft-type component indexing keyway machining and positioning device in an alignment state on a second positioning plane according to a specific embodiment of the utility model;

[0036] Figure 9 This is a schematic diagram of a shaft part indexing keyway machining and positioning device according to a specific embodiment of the utility model, in which the adjusting rod is rotated to adjust the angle of the shaft part until the second positioning plane is perpendicular to the Y direction of the boring machine spindle when the adjusting rod is connected to the shaft part body;

[0037] Figure 10 This is a Y-axis schematic diagram of a shaft part indexing keyway machining and positioning device connected to a shaft part body according to a specific embodiment of the utility model, when the adjusting rod is fine-tuning the alignment of the second positioning plane;

[0038] Figure 11 This is a schematic diagram of the X-axis position of an adjustment rod of a shaft part indexing keyway machining and positioning device in an alignment state on the first positioning plane according to a specific embodiment of the utility model;

[0039] Figure 12 This is a schematic diagram of the X-axis position of an adjustment rod of a shaft part indexing keyway machining and positioning device in an alignment state on a second positioning plane according to a specific embodiment of the utility model;

[0040] Description of labels:

[0041] 1. Frame;

[0042] 2. Support seat;

[0043] 3. Indexing plate; 31. First positioning plane; 32. Second positioning plane;

[0044] 4. Boring machine spindle;

[0045] 5. Micrometer;

[0046] 6. Connecting mechanism; 61. L-shaped connecting frame; 62. First connecting rod; 63. Second connecting rod; 64. Motor; 65. First bevel gear; 66. Second bevel gear;

[0047] 7. Clamping mechanism;

[0048] 8. Shaft body; 81. Angle adjustment bolt; 82. First keyway; 83. Second keyway;

[0049] 9. Adjustment rod;

[0050] 10. Fine-tuning bracket; 101. First positioning plate; 102. First positioning bolt; 103. Second positioning plate; 104. Second positioning bolt. DETAILED DESCRIPTION

[0051] In order to explain the technical content, achieved objectives and effects of the present invention in detail, the following description is given in conjunction with the embodiments and the accompanying drawings.

[0052] Please refer to Figures 1 to 12 The specific embodiment of the utility model relates to a device for machining and positioning indexing keyways of shaft parts, comprising:

[0053] Rack 1;

[0054] Support seats 2, more than two support seats 2 are arranged and distributed along the X direction, for supporting the shaft part body 8, so that the axial direction of the shaft part in the supported state is the X direction;

[0055] A dividing plate 3 is fixed to one end of the shaft body 8 by screws. The dividing plate 3 includes a first positioning plane 31 for locating the position of the first key groove 82 and a second positioning plane 32 for locating the position of the second key groove 83. The first positioning plane 31 is perpendicular to the axial direction of the first key groove 82 relative to the shaft body 8, and the second positioning plane 32 is perpendicular to the axial direction of the second key groove 83 relative to the shaft body 8.

[0056] The boring machine spindle 4 is connected to the frame 1 through an XYZ three-axis moving module;

[0057] A dial gauge 5 connected to the boring machine spindle 4 via a connecting mechanism 6;

[0058] A pressing mechanism 7, which is connected to the frame 1 and is used to press against the shaft part body 8 to press and position the shaft part body 8;

[0059] The positioning method of the above-mentioned shaft part indexing keyway processing and positioning device comprises the following steps:

[0060] S1: Position the shaft parts on the support seat 2 so that the axial direction of the shaft parts is the X direction;

[0061] S2: Control the rotation of the shaft parts so that the first positioning plane 31 of the indexing plate 3 is close to perpendicular to the axial direction of the boring machine spindle 4;

[0062] S3: The boring machine spindle 4 moves along the X direction until the probe of the micrometer 5 is close to the upper end or the lower end of the first positioning plane 31;

[0063] S4: Control the boring machine spindle 4 to move in the Z direction or in the reverse direction of the Z direction, use the micrometer 5 to obtain the reading difference between the upper end and the lower end of the first positioning plane 31, and fine-tune the rotation angle of the boring machine spindle 4 according to the reading difference;

[0064] Repeat S4 until the difference between the readings of the upper end and the lower end of the first positioning plane 31 obtained by the micrometer 5 is less than a preset threshold, and the positioning is completed;

[0065] S5: Control the pressing mechanism 7 to press and position the upper part of the shaft component body 8;

[0066] S6: moving the micrometer 5, controlling the boring machine spindle 4 to move to the processing position of the first keyway 82 of the shaft part body 8, and controlling the boring machine spindle 4 to process the first keyway 82;

[0067] S7: Control the clamping mechanism 7 to release the shaft part body 8;

[0068] S8: Control the shaft component body 8 to rotate so that the second positioning plane 32 of the indexing plate 3 is close to perpendicular to the axial direction of the boring machine spindle 4;

[0069] S9: The boring machine spindle 4 moves along the X direction until the probe of the micrometer 5 is close to the upper end or the lower end of the second positioning plane 32;

[0070] S10: Control the boring machine spindle 4 to move in the Z direction or in the reverse direction of the Z direction, use the micrometer 5 to obtain the reading difference between the upper end and the lower end of the second positioning plane 32, and fine-tune the rotation angle of the boring machine spindle 4 according to the reading difference;

[0071] Repeat S10 until the difference between the readings of the upper end and the lower end of the second positioning plane 32 obtained by the micrometer 5 is less than a preset threshold, and the positioning is completed;

[0072] S11: Control the pressing mechanism 7 to press and position the upper part of the shaft component body 8;

[0073] S12: Transfer the micrometer 5, control the boring machine spindle 4 to move to the processing position of the second keyway 83 of the shaft part body 8, and control the boring machine spindle 4 to process the second keyway 83.

[0074] In the above embodiment, the clamping mechanism 7 can include a pressure plate arranged above the support seat 2, which can be moved in the vertical direction by a moving mechanism (such as a screw guide rail assembly or a cylinder) to achieve the purpose of clamping or loosening the shaft part body 8.

[0075] In the above embodiment, a special positioning plate structure is connected by bolts to the end of the shaft part body 8 with keyways of different angles to be processed. The positioning plate can be set with a corresponding positioning plane in advance according to the requirements of the keyway angle. The XYZ three-axis moving module of the boring machine spindle 4 is used in conjunction with the micrometer 5 connected to the boring machine spindle 4 to align the corresponding positioning plane of the positioning plate. The angle of the shaft part body 8 is fine-tuned by the reading of the micrometer 5, replacing the traditional marking positioning, thereby improving the keyway processing positioning accuracy.

[0076] As a preferred embodiment, in the structure of the indexing and positioning device, the support seat 2 is a V-shaped support.

[0077] Reference Figure 7 By supporting the shaft part body 8 at two points through the V-shaped support and cooperating with the upper clamping mechanism 7, the three-point stable positioning of the shaft part body 8 can be achieved.

[0078] As a preferred embodiment, the indexing and positioning device structure further includes:

[0079] Angle adjustment bolts 81, two angle adjustment bolts 81 are connected to the end of the shaft component body 8 away from the portion of the indexing plate 3;

[0080] The adjusting rod 9 is mounted between the two angle adjusting bolts 81 .

[0081] As a preferred embodiment, the indexing and positioning device structure further includes:

[0082] A fine-tuning bracket 10, comprising a column, and a first positioning plate 101 and a second positioning plate 103 connected to the side of the column, wherein the first positioning plate 101 is threadedly connected to a first positioning bolt 102, and the second positioning plate 103 is threadedly connected to a second positioning bolt 104;

[0083] In the positioning processing method,

[0084] S2 specifically comprises: placing the adjusting rod 9 between the two angle adjusting bolts 81, controlling the adjusting rod 9 to rotate to drive the shaft parts to rotate, so that the first positioning plane 31 of the indexing plate 3 is close to perpendicular to the axial direction of the boring machine spindle 4, then controlling the adjusting rod 9 to move a short distance in the X direction, so that one end of the adjusting rod 9 moves to the bottom of the first positioning plate 101, and controlling the first positioning bolt 102 to rotate until the lower end abuts against the adjusting rod 9;

[0085] S4 specifically comprises: controlling the boring machine spindle 4 to move in the Z direction or in the reverse direction of the Z direction, using the micrometer 5 to obtain the reading difference between the upper end and the lower end of the first positioning plane 31, and fine-tuning the rotation of the first positioning bolt 102 according to the reading difference, so as to cause the adjusting rod 9 to swing slightly, thereby driving the fine-tuning of the rotation angle of the boring machine spindle 4;

[0086] S8 specifically comprises: placing the adjusting rod 9 between the two angle adjusting bolts 81, controlling the adjusting rod 9 to rotate to drive the shaft parts to rotate, so that the second positioning plane 32 of the indexing plate 3 is close to perpendicular to the axial direction of the boring machine spindle 4, then controlling the adjusting rod 9 to move a short distance in the X direction, so that one end of the adjusting rod 9 moves to the bottom of the second positioning plate 103, and controlling the second positioning bolt 104 to rotate until the lower end abuts against the adjusting rod 9;

[0087] S10 is specifically as follows: controlling the boring machine spindle 4 to move in the Z direction or in the reverse direction of the Z direction, using the micrometer 5 to obtain the reading difference between the upper and lower ends of the second positioning plane 32, and fine-tuning the rotation of the second positioning bolt 104 according to the reading difference, so that the adjusting rod 9 swings slightly, thereby driving the fine-tuning of the rotation angle of the boring machine spindle 4.

[0088] In the above embodiment, referring to Figures 5 to 12 , using the adjustment rod 9 to be set between the two angle adjustment bolts 81, the lever principle can be used to drive the shaft part body 8 to rotate more effortlessly, refer to Figure 5and Figure 9 , in the process of rotating until the corresponding positioning plane approaches perpendicular to the boring machine spindle 4, the adjusting rod 9 moves a short distance in the opposite direction of the X direction (close to the direction of the shaft parts) to avoid interference with the first positioning plate 101 and the second positioning plate 103 during rotation. When the rotation is in place, the adjusting rod 9 moves a short distance in the opposite direction of the X direction, refer to Figure 6 and Figure 10 , so that the adjusting rod 9 rests against the corresponding positioning bolt, and then the rotation angle of the corresponding positioning bolt can be fine-tuned according to the reading of the micrometer 5, so that the positioning bolt drives the adjusting rod 9 and the shaft part body 8 to fine-tune the angle.

[0089] As one example, refer to Figure 8 In the structure of the indexing and positioning device, the connecting mechanism 6 includes:

[0090] An L-shaped connecting frame 61 , one end of which is detachably connected to the boring machine spindle 4 , and the dial indicator 5 is detachably connected to the other end of the L-shaped connecting frame 61 ;

[0091] In the positioning processing method, in S6 or S12, transferring the micrometer 5 specifically includes: removing the L-shaped connecting frame 61 from the boring machine spindle 4;

[0092] The steps before S6 include: installing the L-shaped connecting frame 61 to the boring machine spindle 4;

[0093] The steps before S12 include: installing the L-shaped connecting frame 61 to the boring machine spindle 4.

[0094] As another example, refer to Figure 7 In the structure of the indexing and positioning device, the connecting mechanism 6 includes:

[0095] A first connecting rod 62 and a second connecting rod 63 are vertically connected, wherein the first connecting rod 62 is rotatably connected to the boring machine spindle 4 through a bearing seat, and the axial direction of the first connecting rod 62 is parallel to the axial direction of the boring machine spindle 4;

[0096] The micrometer 5 is connected to the second connecting rod 63;

[0097] It also includes a driving mechanism, which is in transmission connection with the first connecting rod 62 and is used to drive the first connecting rod 62 to rotate;

[0098] In the positioning processing method, in S6 or S12, transferring the dial indicator 5 specifically includes: controlling the driving mechanism to drive the first connecting rod 62 to rotate, so that the second connecting rod 63 and the dial indicator 5 rotate to the top of the first connecting rod 62;

[0099] The steps before S6 include: controlling the driving mechanism to drive the first connecting rod 62 to rotate, so that the second connecting rod 63 and the dial indicator 5 rotate to the bottom of the first connecting rod 62;

[0100] The steps before S12 include: controlling the driving mechanism to drive the first connecting rod 62 to rotate, so that the second connecting rod 63 and the dial indicator 5 rotate to the bottom of the first connecting rod 62.

[0101] In the above embodiment, by driving the first connecting rod 62 to rotate, and then driving the second connecting rod 63 and the micrometer 5 to move, when the boring machine spindle 4 processes the corresponding keyway, interference with shaft parts can be avoided without disassembling the micrometer 5. When the micrometer 5 needs to be used to detect the positioning plane, the first connecting rod 62 can be rotated to move it to a position close to the corresponding positioning plane.

[0102] Preferably, in the structure of the indexing positioning device, the driving mechanism includes a motor 64, a first bevel gear 65 and a second bevel gear 66, the motor 64 is connected to the boring machine spindle 4, the first bevel gear 65 is connected to the output shaft of the motor 64, the second bevel gear 66 is coaxially sleeved on the first connecting rod 62, and the first bevel gear 65 is engaged with the second bevel gear 66.

[0103] As a preferred embodiment, the included angle between the first positioning plate 101 and the second positioning plate 103 is equal to the included angle between the first positioning plane 31 and the second positioning plane 32 .

[0104] The above description is merely an embodiment of the present invention and does not limit the patent scope of the present invention. Any equivalent transformations made using the contents of the description and drawings of the present invention, or directly or indirectly applied in the relevant technical field, are also included in the patent protection scope of the present invention.

Claims

1. A device for machining and positioning indexing keyways of shaft parts, characterized in that: include: frame; Support seats, two or more support seats are arranged along the X direction, used to support the shaft parts body, so that the axial direction of the shaft parts in the supported state is the X direction; A dividing plate, the dividing plate being fixed to one end of the shaft component body by screws, the dividing plate comprising a first positioning plane for locating the position of the first keyway, and a second positioning plane for locating the position of the second keyway, the first positioning plane being perpendicular to the axial direction of the first keyway relative to the shaft component body, and the second positioning plane being perpendicular to the axial direction of the second keyway relative to the shaft component body; A boring machine spindle, wherein the boring machine spindle is connected to the frame via an XYZ three-axis moving module; A dial indicator connected to the main shaft of the boring machine through a connecting mechanism; A clamping mechanism is connected to the frame and is used to press against the shaft part body for clamping and positioning the shaft part body.

2. The indexing keyway processing and positioning device for shaft parts according to claim 1, characterized in that: The support seat is a V-shaped support seat.

3. The indexing keyway processing and positioning device for shaft parts according to claim 1, characterized in that: Also includes: Angle adjustment bolts: two angle adjustment bolts are connected to the end of the shaft part body away from the dividing plate; An adjusting rod is arranged between two angle adjusting bolts.

4. The indexing keyway processing and positioning device for shaft parts according to claim 3, characterized in that: Also includes: The fine-tuning bracket includes a column, and a first positioning plate and a second positioning plate connected to the side of the column. The first positioning plate is threadedly connected to a first positioning bolt, and the second positioning plate is threadedly connected to a second positioning bolt.

5. The indexing keyway processing and positioning device for shaft parts according to claim 1, characterized in that: The connecting mechanism comprises: An L-shaped connecting frame, one end of which is detachably connected to the main shaft of the boring machine, and the micrometer is detachably connected to the other end of the L-shaped connecting frame.

6. The indexing keyway processing and positioning device for shaft parts according to claim 1, characterized in that: The connecting mechanism comprises: A first connecting rod and a second connecting rod are vertically connected, wherein the first connecting rod is rotatably connected to the main shaft of the boring machine through a bearing seat, and the axial direction of the first connecting rod is parallel to the axial direction of the main shaft of the boring machine; The dial indicator is connected to the second connecting rod; It also includes a driving mechanism, which is in transmission connection with the first connecting rod and is used to drive the first connecting rod to rotate.

7. The indexing keyway processing and positioning device for shaft parts according to claim 6, characterized in that: In the structure of the indexing and positioning device, the driving mechanism includes a motor, a first bevel gear and a second bevel gear. The motor is connected to the main shaft of the boring machine, the first bevel gear is connected to the output shaft of the motor, the second bevel gear is coaxially sleeved on the first connecting rod, and the first bevel gear is engaged with the second bevel gear.

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