CN211760303U - A gearbox DCT motor shaft machining mechanism - Google Patents

Abstract

A gearbox DCT motor shaft processing mechanism, comprising a table body for placing the motor shaft and a grinding device arranged on the table body, the grinding device comprises a grinding rod driven by a motor, and the end of the grinding rod is provided with A grinding seat; the grinding sheet is arranged on the grinding seat, and a retractable adjusting rod is arranged in the grinding seat, and the end of the adjusting rod protrudes from the grinding seat and is connected with the grinding sheet, and the adjusting rod is arranged on the grinding seat One end of the seat is placed in a screw sleeve and screwed together, the screw sleeve is placed on a dial, and the dial part is placed outside the grinding seat and can be toggled. In this application, after the motor shaft is fixed, during operation, the grinding piece on the grinding device moves into the end hole of the motor shaft for grinding operation, so that the central hole of the motor shaft becomes smooth and the product precision is high. In addition, by rotating the dial, the adjustment rod can be extended and retracted to realize the position adjustment of the polishing sheet, so the inner diameter of the motor shaft can be different.

Description

A gearbox DCT motor shaft machining mechanism

technical field

The utility model belongs to the field of shaft processing equipment, in particular to a shaft processing mechanism of a gearbox DCT motor.

Background technique

The shaft is an important part of the motor. As the link of electromechanical energy conversion between the motor and the equipment, it supports the rotating parts, transmits the torque and determines the relative position of the rotating parts to the stator. Therefore, the motor shaft must have reliable strength and rigidity to ensure the realization of preset design functions.

DCT is a dual-clutch automatic transmission, which is different from the general automatic transmission system. It is based on a manual transmission instead of an automatic transmission. In addition to the flexibility of a manual transmission and the comfort of an automatic transmission, it can also provide uninterrupted power output. The motor shaft of DCT is divided into two parts when moving, one is a solid drive shaft and the other is a hollow drive shaft. Make uninterrupted transmissions.

The hollow DCT motor shaft generally has a center hole. During the production and processing of the motor shaft, the inner wall of one end of the center hole is prone to bulge after the hole is punched, so it is easy to output the shaft during use. The wear and tear will affect the service life of the motor. In the prior art, a Chinese invention patent application with publication number CN101791706A discloses a high-precision motor shaft end hole machining method; a left positioning tool is installed in a machining spindle of a machine tool, and a right positioning tool is installed on the machine tool. , adjust the left and right positioning tooling so that the horizontal tooling holes made on it are coaxial; start the machine tool, and use the tool outside the right positioning tooling to process the end hole of the motor shaft. The processing structure equipment is relatively large, the cost is high, and it cannot be adjusted according to the size of different motor shafts, and the adaptability is not enough.

Therefore, in view of some of the above problems, the present application further designs and improves the machining mechanism of the gearbox DCT motor shaft, particularly the inner hole grinding mechanism.

Utility model content

In view of the above deficiencies in the prior art, the present utility model provides a gear box DCT motor shaft machining mechanism, in particular to the improvement of the grinding device therein, which makes the grinding operation convenient and can well align the center hole at the end of the motor shaft. Grinding operations are performed and can be adapted to different sizes of motor shafts.

In order to solve the above technical problems, the present invention is solved by the following technical solutions.

A gearbox DCT motor shaft processing mechanism, comprising a table body for placing the motor shaft and a grinding device arranged on the table body, the grinding device comprises a grinding rod driven by the motor to rotate, and the end of the grinding rod is provided with A grinding seat; the grinding sheet is arranged on the grinding seat, and a retractable adjusting rod is arranged in the grinding seat, and the end of the adjusting rod protrudes from the grinding seat and is connected with the grinding sheet, and the adjusting rod is arranged on the grinding seat One end of the seat is placed in a screw sleeve and screwed together, the screw sleeve is placed on a dial, and the dial part is placed outside the grinding seat and can be toggled.

In the present application, after the motor shaft is placed on the table body, the inner wall grinding operation can be performed on the end hole on the motor shaft. During operation, the grinding sheet on the grinding device is moved into the end hole of the motor shaft to carry out the grinding operation to make the motor The center hole of the shaft becomes flat and smooth, so that the product has high precision. In addition, by rotating the dial, the adjustment rod can be extended and retracted to realize the position adjustment of the polishing sheet, so the inner diameter of the motor shaft can be different.

In a preferred embodiment, the grinding device is provided on the moving block, and the moving block can move laterally; the grinding device includes a cover body arranged on the moving block, and a grinding motor is arranged in the cover body, The grinding motor drives the grinding rod to rotate.

In a preferred embodiment, the grinding motor is arranged vertically, and the rotating shaft of the grinding motor extends upward; the grinding rod is arranged horizontally, and the end of the grinding rod and the end of the rotating shaft are meshed and driven by bevel gears. , the transmission is convenient.

In a preferred embodiment, the part of the grinding rod placed outside the cover passes through a positioning sleeve, the positioning sleeve and the grinding rod can be relatively lubricated and rotated, the positioning sleeve is provided with a positioning protrusion, and the positioning The outer periphery of the sleeve grinding rod is set in a positioning groove matched with the positioning protrusion. In this structure, the grinding rod is placed in the positioning sleeve and will not come out, so as to ensure the normal operation of the rotation during grinding.

In a preferred embodiment, the positioning sleeve is a bearing member, the positioning sleeve is arranged on a support plate, and the support plate is fixed on the cover body, and the overall structural stability is high.

In a preferred embodiment, symmetrical screw sleeves are provided on both sides of the dial, and each screw sleeve is provided with an adjusting rod that is threadedly matched. Two symmetrically arranged grinding discs work at the same time, and the grinding efficiency is high.

In a preferred embodiment, the polishing sheet has an arc plate structure.

Compared with the prior art, the utility model has the following beneficial effects: it provides a gear box DCT motor shaft processing mechanism, especially relates to the improvement of the grinding device therein, which makes the grinding operation convenient and can be used for the end of the motor shaft. The center hole is used for grinding operations, and it can adapt to different sizes of motor shafts. .

Description of drawings

FIG. 1 is a front view of the processing device in the utility model.

FIG. 2 is a top view of the processing device in the present invention.

3 is a partial cross-sectional schematic diagram 1 of the processing device in the present invention.

FIG. 4 is a second partial cross-sectional schematic view of the processing device in the present invention.

FIG. 5 is a schematic cross-sectional view of the utility model in a processing state.

FIG. 6 is an enlarged view of the area A in FIG. 5 .

FIG. 7 is a top view of a bottom plate in the utility model.

FIG. 8 is a side view of a bottom plate in the present invention.

FIG. 9 is a schematic view of the grinding seat structure in the present invention.

FIG. 10 is an internal schematic view of the grinding seat structure in the present invention.

11 is a cross-sectional view of the grinding seat structure in the present invention.

Detailed ways

The present utility model will be described in further detail below with reference to the accompanying drawings and specific embodiments.

In the following embodiments, the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions from beginning to end. It is understood as a limitation of the present invention.

In the description of the present utility model, it should be understood that terms: center, longitudinal, lateral, length, width, thickness, upper, lower, front, rear, left, right, vertical, horizontal, top, bottom, inner, outer , clockwise, counterclockwise, etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, only for the convenience of describing the present utility model and simplifying the description, so it should not be construed as a limitation of the present utility model. Furthermore, the terms: first, second, etc. are used for descriptive purposes only and should not be construed to indicate or imply relative importance or to imply indicate the number of technical features shown. In the description of the present utility model, unless otherwise clearly specified and limited, the terms: installation, connection, connection, etc. should be understood in a broad sense, and those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility according to specific circumstances .

1 to 11 , a gear box DCT motor shaft machining mechanism involved in the present invention includes a table body 1 , a support foot 18 is arranged under the table body 1 , and a recessed cavity is arranged on the table body 1 11. The recessed cavity 1 is provided with a horizontally rotatable screw rod 132, a moving block 134 is sleeved on the screw rod 132, and the screw rod 132 is driven by a motor. Specifically, the lead screw 132 is driven by the lead screw motor 13 , and the lead screw motor 13 is arranged in the motor cavity 139 on one side of the table body 1 , and a reinforcement is provided between the lower part of the motor cavity 139 and the table body 1 . The support plate 131 ensures the stability of the overall structure; and the position where the lead screw 132 passes through the table body 1 is provided with a lubricating bearing 133, which plays the role of rotational lubrication and support.

In addition, the table body 1 is provided with a debris drop area 12 located below the processing area, and a material receiving frame 121 or a suction air collection device is provided below the debris drop area 12 . In this structure, the debris generated by grinding will fall into the receiving frame 121, or be sucked away by the suction air collection device to ensure a good working environment in the workshop; the air suction collection device can be a conventional air suction pipe, filter cover, suction Fans, etc.

The moving block 134 is provided with a grinding device. The grinding device includes a grinding rod 31 driven by a motor to rotate. The end of the grinding rod 31 is provided with a grinding seat 36; The grinding seat 36 is provided with a retractable adjusting rod 331. The end of the adjusting rod 331 protrudes from the grinding seat 36 and is connected with the grinding sheet 33. One end of the adjusting rod 331 provided in the grinding seat 36 is placed in The screw sleeve 371 is in and threaded, the screw sleeve 371 is placed on the dial 37, the dial 37 is partially placed outside the grinding seat 36 and can be toggled, and the adjusting rod 331 is rotated through the grinding seat A lubricating sleeve 332 is provided at the position of 36 to make the movement smooth, so when the dial 37 is rotated, the position of the polishing sheet 33 can be adjusted conveniently.

Specifically, in the present application, the grinding device includes a cover body 3 disposed on the moving block 134 , the cover body 3 is provided with a grinding motor 34 , the grinding motor 34 is vertically arranged, and the rotating shaft 341 of the grinding motor 34 Extends upward; the grinding rod 31 is arranged horizontally, and the end of the grinding rod 31 and the end of the rotating shaft 341 are meshed and driven by a bevel gear, which is convenient for transmission. The part of the grinding rod 31 placed outside the cover body 3 passes through the positioning sleeve 32 , the positioning sleeve 32 and the grinding rod 31 can be relatively lubricated and rotated relative to each other, the positioning sleeve 32 is provided with positioning protrusions, and the positioning sleeve 32 The outer circumference of the grinding rod 31 is set in a positioning groove 316 matched with the positioning protrusion. In this structure, the grinding rod 31 is placed in the positioning sleeve 32 and will not come out, so as to ensure the normal operation of the rotation during grinding. In a specific embodiment, the positioning sleeve 32 is a bearing member, the positioning sleeve 32 is arranged on the support plate 321 , and the support plate 321 is fixed on the cover body 3 , and the overall structural stability is high. It can also be seen from the figure that a shock-absorbing pad 342 is also provided between the grinding motor 34 and the cover body 3 to ensure the stability of the motor's action and make the grinding precision high.

In the present application, symmetrical screw sleeves 371 are provided on both sides of the dial 37, and each screw sleeve 371 is provided with a threaded adjustment rod 331, and the polishing plate 33 at the outer end of the adjustment rod 331 is also symmetrically arranged, The grinding makes the two symmetrically arranged grinding sheets 33 work at the same time, and the grinding efficiency is high, and the grinding sheets 33 are of arc plate structure, which can adapt to the shape of the inner wall of the motor shaft.

The table body 1 is also provided with a clamping base 2, and the clamping base 2 is provided with a bottom plate 26 that can be adjusted in height and a pressure plate 23 that can be raised and lowered. Specifically, in the present application, the upper end of the clamping base 2 is provided with a cross beam 21, the cross beam 21 is provided with a screw hole, the screw hole is provided with a threaded lifting rod 24, and the pressing plate 23 is provided on the lifting rod 24 bottom. In this structure, the pressing plate 23 can be lifted and lowered by rotating the lifting rod 24 , and a handle portion 22 is provided on the top of the lifting rod 24 , so that the rotation operation is convenient.

In addition, the clamping base 2 is also provided with a vertically arranged guide rod 25 , the bottom plate 26 is provided with a guide hole 263 , the guide rod 25 passes through the guide hole 263 , and the bottom plate 26 is provided with a guide hole 263 . There are spacers 27 for height adjustment. In this structure, the bottom plate 26 will not come out of the guide rod 25, and the height of the bottom plate 26 can be adjusted by padding pads 27 with different heights, and the operation is convenient. In an embodiment of the present application, a positioning seat 265 is provided on the surface of the bottom plate 26 for placing the motor shaft 9. Correspondingly, a positioning seat can also be provided on the lower surface of the pressing plate 23 to ensure the motor shaft Good stability after placement.

The working principle of the motor shaft processing mechanism in this application is as follows: the clamping base 2 in this application is used to clamp the motor shaft 9 from top to bottom. When in use, the bottom plate 26 is moved up to a suitable height, and a corresponding The spacer 27 and then the motor shaft 9 are placed on the base plate 26 . Then, the lifting rod 24 is rotated to lower the pressing plate 23 to press the motor shaft 9 to complete the positioning. Then the Digang motor 13 works, drives the lead screw 132 to rotate, and drives the moving block 134 to move along the lead screw 132 to realize the movement of the grinding device. The grinding piece 33 on the grinding device is moved into the end hole of the motor shaft, and the grinding operation is performed to make the central hole of the motor shaft flat and smooth, so that the product has high precision. In addition, in this application, the distance between the bottom plate 26 and the pressing plate 23 is adjustable, so the clamp base 2 can clamp motor shafts of different sizes. In addition, by rotating the dial 37, the adjustment rod 331 can be driven to extend and retract, so that the position of the polishing sheet 33 can be adjusted, so that the inner diameter of the motor shaft can be different.

As mentioned above, the present invention provides a gear box DCT motor shaft machining mechanism, which is convenient for grinding operation, and can well grind the center hole at the end of the motor shaft; and through the adjustment of the distance between the bottom plate and the pressing plate , as well as the adjustment of the position of the grinding sheet, which can adapt to different sizes of motor shafts, and has strong practicability.

The protection scope of the present invention includes, but is not limited to, the above embodiments. The protection scope of the present invention is subject to the claims, and any replacement, deformation, and improvement that are easily thought of by those skilled in the art made by the present technology all fall into the scope of the present invention. The scope of protection of the utility model.

Claims (7)

1. A gearbox DCT motor shaft processing mechanism, comprising a table body (1) for placing the motor shaft and a grinding device arranged on the table body (1), wherein the grinding device comprises a motor-driven rotating device. A grinding rod (31), the end of the grinding rod (31) is provided with a grinding seat (36), the grinding sheet (33) is arranged on the grinding seat (36), and the grinding seat (36) is provided with a retractable The adjusting rod (331) of the adjusting rod (331), the end of the adjusting rod (331) protrudes from the grinding seat (36) and is connected with the grinding plate (33), and the adjusting rod (331) is arranged at one end of the grinding seat (36) Placed in a screw sleeve (371) and screwed together, the screw sleeve (371) is placed on a dial (37), and the dial (37) is partially placed outside the grinding seat (36) and can be dialed verb: move. 2. A gearbox DCT motor shaft machining mechanism according to claim 1, characterized in that the grinding device is provided on a moving block (134), and the moving block (134) can move laterally; the grinding The device comprises a cover body (3) arranged on the moving block (134), a grinding motor (34) is arranged in the cover body (3), and the grinding motor (34) drives the grinding rod (31) to rotate. 3. A gearbox DCT motor shaft machining mechanism according to claim 2, wherein the grinding motor (34) is arranged vertically, and the rotating shaft (341) of the grinding motor (34) protrudes upward; the The grinding rod (31) is arranged laterally, and the end of the grinding rod (31) and the end of the rotating shaft (341) are meshed and driven by bevel gears. 4. A gearbox DCT motor shaft machining mechanism according to claim 2, characterized in that the part of the grinding rod (31) placed outside the cover body (3) passes through the positioning sleeve (32), the The positioning sleeve (32) and the grinding rod (31) can be relatively lubricated and rotated, the positioning sleeve (32) is provided with a positioning protrusion, and the outer circumference of the positioning sleeve (32) and the grinding rod (31) is arranged on the positioning protrusion. The matching positioning groove (316). 5 . The gear box DCT motor shaft machining mechanism according to claim 4 , wherein the positioning sleeve ( 32 ) is a bearing member, and the positioning sleeve ( 32 ) is arranged on the support plate ( 321 ), 6 . The support plate (321) is fixed on the cover body (3). 6. A gearbox DCT motor shaft processing mechanism according to claim 1, characterized in that, symmetrical screw sleeves (371) are provided on both sides of the dial (37), and each screw sleeve (371) A threaded adjustment rod (331) is provided in each of the adjustment rods (331), and the grinding pieces (33) at the outer end of the adjustment rod (331) are also symmetrically arranged. 7 . The gear box DCT motor shaft machining mechanism according to claim 1 , wherein the grinding sheet ( 33 ) is an arc plate structure. 8 .

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