CN204160298U - A kind of Cycloidal Wheel clamping indexing mechanism and grinding machine - Google Patents

Abstract

The utility model provides a cycloidal wheel clamping and shifting mechanism and a grinding machine tool, a cycloidal wheel clamping and shifting mechanism is applied to the grinding machine tool for the inner hole and outer teeth of the cycloidal wheel, including a base, a The slewing frame rotatably arranged on the base, the rotating shaft rotatably arranged on the slewing frame, the workpiece fixture arranged on the rotating shaft for clamping the cycloid wheel, and the first device arranged on the base to drive the slewing frame to rotate A motor, a second motor that is arranged on the slewing frame to drive the rotating shaft to rotate, the axis of the slewing frame is parallel to the axis of the rotating shaft, and is arranged so that the axis of the cycloidal wheel and the The axis of the rotating shaft is coaxial, and when the inner hole of the cycloid wheel is ground, the axis of the inner hole of the cycloid wheel is coaxial with the axis of the slewing frame. The external tooth grinding device and internal hole grinding device of the utility model can complete the grinding process of all the tooth grooves and internal holes of the cycloid wheel under one clamping, without frequent replacement of grinding wheels, convenient operation and high work efficiency .

Description

A cycloid wheel clamping and indexing mechanism and a grinding machine tool

technical field

The utility model relates to the field of grinding processing machinery, in particular to a cycloid wheel clamping and shifting mechanism and a grinding machine tool.

Background technique

The grinding process of the cycloidal wheel, the traditional processing is to use the workpiece fixture to fix the cycloidal wheel to be processed, and use the high-speed rotating grinding wheel to grind the tooth grooves or inner holes of the cycloidal wheel one by one. The grinding process of the inner hole needs to select the grinding wheel that matches the shape of the inner hole. During the grinding process, it is necessary to prepare a large number of grinding wheels. For example, the patent No. 201310163080.8 is a grinding machine for grinding cycloidal wheels. Its disclosure includes There are: the bed, the column set on the bed, the grinding wheel and the cylindrical grinding wheel are arranged on the column, the workpiece fixture is arranged on the bed, and the workpiece fixture is arranged on the bed so that the grinding wheel and the cylindrical grinding wheel are opposite to each other. Mobile sliding mechanism. As the requirements for the precision and efficiency of parts processing are getting higher and higher, the requirements for processing and grinding machines for cycloidal wheels are also getting higher and higher. When the traditional grinding machine grinds the workpiece, the operator needs to frequently replace the grinding wheel with the shape of the inner hole of the cycloid wheel for grinding, which is complicated to operate and low in work efficiency.

Utility model content

The purpose of the utility model is to provide a cycloid wheel clamping and indexing mechanism and a grinding machine tool for the deficiencies of the prior art, which do not require frequent replacement of the grinding wheel, are convenient to operate, and have high work efficiency.

The purpose of this utility model is achieved through the following technical solutions:

A cycloid wheel clamping and indexing mechanism is characterized in that it is applied to the grinding machine tool for the inner hole and outer teeth of the cycloid wheel, including: a base, a slewing frame rotatably arranged on the base, a rotatable The rotating shaft arranged on the rotating frame, the workpiece fixture arranged on the rotating shaft for clamping the cycloid wheel, the first motor arranged on the base to drive the rotating frame to rotate, the first motor arranged on the rotating frame to drive the rotating shaft to rotate The second motor, the axis of the slewing frame is parallel to the axis of the rotating shaft, and is arranged so that the axis of the cycloid wheel is coaxial with the axis of the rotating shaft when grinding the external teeth of the cycloid wheel; The axis of the inner hole of the cycloid wheel is coaxial with the axis of the slewing frame.

A cycloid wheel grinding machine tool, comprising a base, a column arranged on the base, a workbench arranged on the base, and a vertically movable mounting frame arranged on the column, and is characterized in that: it also includes a mounting frame set on the mounting frame and The Z-axis moving mechanism between the columns, the X and Y-axis moving mechanisms arranged between the workbench and the base, the external tooth grinding device and the inner hole grinding device respectively arranged on the mounting frame, and the workbench such as The clamping and indexing mechanism described in claim 1.

Further, the external gear grinding device includes an output shaft arranged along the X-axis direction and a grinding wheel arranged on the output shaft, and the inner hole grinding device includes an output shaft arranged along the Y-axis direction and a grinding wheel arranged on the output shaft .

Further, the axis of the slewing frame of the clamping and indexing mechanism extends along the Y-axis direction.

Further, the Z-axis moving mechanism includes a Z-direction rail arranged on the column along the Z-axis direction, a Z-direction sliding plate arranged on the Z-direction rail, and a Z-direction sliding plate driven by a Z-direction transmission mechanism to move along the Z-direction. The guide rail slides up and down the first servo motor, and the installation frame is arranged on the Z-direction sliding plate.

Further, the Z-direction transmission mechanism includes a first screw rod arranged on the column along the Z-axis direction and a nut arranged on the Z-direction sliding plate to cooperate with the first screw rod, and the first servo motor drives The first screw rotates.

Further, the X and Y-axis moving mechanisms include an X-direction rail arranged on the base along the X-axis direction, an X-direction sliding plate slidably arranged on the X-direction rail, and an X-direction sliding plate driven by an X-direction transmission mechanism. Moving plate The second servo motor that slides left and right along the X-guiding rail, the Y-guiding rail arranged on the X-direction sliding plate along the Y-axis direction, and the first servo motor that drives the worktable to move forward and backward along the Y-guiding rail through the Y-direction transmission mechanism Three servo motors.

Further, the X-direction transmission mechanism includes a second screw rod arranged on the base and a nut matched with the second screw rod on the X-direction sliding plate, and the second servo motor drives the second screw rod For rotation, the Y-direction transmission mechanism includes a third screw rod arranged on the X-direction sliding plate and a nut matched with the third screw rod arranged on the workbench, and the third servo motor drives the third screw rod to rotate.

The utility model has the following beneficial effects:

The utility model can complete the grinding process of all the tooth grooves and inner holes of the outer teeth of the cycloid wheel under one clamping. According to the clamping and indexing mechanism and the grinding machine tool of the utility model, the workpiece of the clamping and indexing mechanism The fixture clamps the cycloidal wheel, the axis of the inner hole of the cycloidal wheel is coaxial with the axis of the slewing frame, the grinding wheel of the inner hole grinding device is close to the inner hole of the cycloidal wheel and tangent to the inner hole, and the slewing frame starts to rotate for grinding , Abandoning the need for traditional machine tools to choose grinding wheels that match their shapes according to different inner holes for grinding, which has the advantages of convenient operation and high work efficiency.

Description of drawings

Below in conjunction with accompanying drawing, the utility model is described in further detail.

Figure 1 is a schematic diagram of the structure of the cycloidal wheel grinding machine.

FIG. 2 is a side view of FIG. 1 .

Fig. 3 is a structural sectional view of the clamping and indexing mechanism of the cycloid wheel.

Fig. 4 is a structural schematic diagram of a cycloidal wheel.

Detailed ways

3 and 4, the clamping and indexing mechanism 1 of the cycloidal wheel 5 is applied to the grinding machine tool for the inner hole 51 and the outer teeth 52 of the cycloidal wheel 5, and the clamping and indexing mechanism 1 includes a basic Seat 16, the revolving frame 12 rotatably arranged on the base 16, the rotating shaft 13 rotatably arranged on the revolving frame 12, the workpiece fixture 15 arranged on the rotating shaft 13 for clamping the cycloidal wheel 5, The first motor 11 installed on the base 16 to drive the rotary frame 12 to rotate, the second motor 14 arranged on the rotary frame 12 to drive the rotary shaft 13 to rotate, the axis b of the rotary frame 12 is parallel to the axis a of the rotary shaft 13, and the When grinding the external teeth 52 of the cycloidal wheel 5, the axis of the cycloidal wheel 5 is coaxial with the axis a of the rotating shaft 13; when the inner hole 51 of the cycloidal wheel 5 is ground The axis of is coaxial with the axis b of the slewing frame 12 .

Referring to Figures 1 to 4, a grinding machine tool provided with a clamping and indexing mechanism 1 includes a base 41 provided with a worktable 44 horizontally;

The X, Y-axis moving mechanism arranged between the base 41 and the worktable 44 includes a guide rail 422 arranged on the base 41 along the X-axis direction, an X-direction sliding plate 421 slidably arranged on the guide rail 422, and a The base 41 is connected to the second servo motor 423 that drives the X-direction sliding plate 421 to slide left and right along the direction of the guide rail 422 through the X-direction transmission mechanism, and the guide rail 432 arranged on the X-direction sliding plate 421 along the Y-axis direction. The third servo motor 433 that drives the workbench 44 to slide back and forth along the direction of the guide rail 432 is connected to the sliding plate 421 through the Y-direction transmission mechanism. The X-direction transmission mechanism includes the second screw rod arranged on the base 41 and the The nut matched with the second screw mandrel on the sliding plate 421, the second servo motor 423 drives the second screw mandrel to rotate, and the Y-direction transmission mechanism includes the third screw mandrel and the third screw mandrel arranged on the X-direction sliding plate 421 A nut that is arranged on the workbench 44 to cooperate with the third screw mandrel, and the third servo motor 433 drives the third screw mandrel to rotate;

The clamping and indexing mechanism 1 is arranged on the workbench 44, the axis b of the slewing frame 12 of the clamping and indexing mechanism 1 extends along the Y-axis direction, and the clamping and indexing mechanism 1 includes The base 16, the revolving frame 12 that is rotatably arranged on the base 16 along the Y-axis direction, the rotating shaft 13 that is rotatably arranged on the revolving frame 12 along the Y-axis direction, and is arranged on the rotating shaft 13 for The workpiece fixture 15 of the clamping cycloidal wheel 5, the plane where the workpiece fixture 15 is located is perpendicular to the axis a of the rotating shaft 13, the first motor 11 that is arranged on the base 16 to drive the rotation of the rotary frame 12, is arranged on the rotary frame 12 to drive The second motor 14 that the rotating shaft 13 rotates, the axis b of the slewing frame 12 is parallel to the axis a of the rotating shaft 13;

The column 31 vertically arranged on the base 41;

The Z-axis moving mechanism 32 arranged between the column 31 and the installation frame 24 includes a guide rail 321 arranged on the column 31 along the Z-axis direction, and a Z-direction sliding plate provided with the installation frame 24 movably arranged on the guide rail 321 322. Set on the column 31 through the Z-direction transmission mechanism to connect the first servo motor 323 that drives the Z-direction sliding plate 322 to move up and down along the direction of the guide rail 321. The Z-direction transmission mechanism includes the first wire arranged on the column along the Z-axis direction The rod 33 and the nut arranged on the Z-direction sliding plate 322 to cooperate with the first screw 33, the first servo motor 323 drives the first screw to rotate;

The installation frame 24 arranged on the Z-direction sliding plate 322;

The external tooth grinding device 22 and the internal hole grinding device 21 arranged on the mounting frame 24, the external tooth grinding device 22 includes an output shaft 222 arranged along the X-axis direction, a grinding wheel 221 arranged on the output shaft 222, and the mounting frame 24 is provided with a fourth servo motor 24 connected to drive the output shaft 222 to rotate; the inner hole grinding device 21 includes an output shaft 212 arranged along the Y-axis direction, a grinding wheel 211 arranged on the output shaft 212, and the mounting frame 24 is provided with a connection The fifth servo motor 23 that drives the output shaft 212 to rotate.

In this embodiment, several tooth grooves 52 and inner holes 51 that need to be ground are respectively formed on the cycloidal wheel 5. When the cycloidal wheel 5 is installed on the workpiece holder 15, the X and Y axis moving mechanisms and the Z axis are respectively controlled. The shaft moving mechanism 32 makes the grinding wheel 211 of the inner hole grinding device 21 tangent to the inner hole 51, the fourth servo motor 24 drives the output shaft 212 to rotate and drives the grinding wheel 211 to grind the inner hole 51, and the clamping and indexing mechanism 1 The slewing frame 12 driven by the first motor 11 rotates, the axis b of the slewing frame 12 is coaxial with the axis where the inner hole 51 is located, and when the inner hole 51 is ground, control the X, Y axis moving mechanism to withdraw the grinding wheel 211 from the grinding position , the second motor 14 drives the rotating shaft 13 to rotate and divide the cycloid wheel 5 once, repeat the above-mentioned grinding steps until the grinding of several inner holes 51 of the whole cycloid wheel 5 is completed;

When the cycloidal wheel 5 is installed on the workpiece fixture 15, the axis of the cycloidal wheel 5 is coaxial with the axis a of the rotating shaft 13, and the X and Y axis moving mechanisms and the Z axis moving mechanism 32 are controlled respectively, so that the external gear grinding device 22 Close to the tooth groove 52 of the cycloidal wheel 5, the fifth servo motor 23 drives the output shaft 222 to rotate to drive the grinding wheel 221 to grind the tooth groove 52. After the grinding is completed, the Z-axis moving mechanism 32 is controlled to withdraw the grinding wheel 222 from the grinding position , the second motor 14 drives the rotating shaft 13 to rotate to index the cycloidal wheel 5 once, and repeat the above grinding steps until the grinding of several tooth grooves 52 of the entire cycloidal wheel 5 is completed.

The above is only a preferred embodiment of the utility model, so the scope of implementation of the utility model cannot be limited with this, that is, equivalent changes and modifications made according to the patent scope of the utility model and the content of the specification should still be carried out. It belongs to the scope covered by the utility model patent.

Claims (8)

1. A cycloidal wheel clamping and indexing mechanism is characterized in that it is applied to the grinding machine tool of the inner hole and the outer teeth of the cycloidal wheel, including: a base, a slewing frame rotatably arranged on the base, A rotating shaft rotatably arranged on the rotary frame, a workpiece fixture arranged on the rotating shaft for clamping the cycloid wheel, a first motor arranged on the base to drive the rotary frame to rotate, and a driving shaft arranged on the rotary frame The second motor that rotates, the axis of the slewing frame is parallel to the axis of the rotating shaft, and is arranged so that the axis of the cycloid wheel is coaxial with the axis of the rotating shaft when grinding the external teeth of the cycloid wheel; When cutting the inner hole of the cycloid wheel, the axis of the inner hole of the cycloid wheel is coaxial with the axis of the slewing frame. 2. A cycloid wheel grinding machine tool, comprising a base, a column arranged on the base, a workbench arranged on the base, a vertically movable mounting frame arranged on the column, characterized in that: it also includes a The Z-axis moving mechanism between the frame and the column, the X and Y-axis moving mechanisms arranged between the workbench and the base, the external tooth grinding device and the inner hole grinding device respectively arranged on the mounting frame, and the The above clamping and indexing mechanism as claimed in claim 1. 3. A cycloid wheel grinding machine tool according to claim 2, characterized in that: said external gear grinding device comprises an output shaft arranged along the X-axis direction and a grinding wheel arranged on the output shaft, and the inner hole grinding The cutting device includes an output shaft arranged along the Y-axis direction and a grinding wheel arranged on the output shaft. 4. A cycloid grinding machine tool according to claim 2, characterized in that: the axis of the slewing frame of the clamping and indexing mechanism extends along the Y-axis direction. 5. A cycloidal wheel grinding machine according to claim 2, 3 or 4, characterized in that: the Z-axis moving mechanism includes a Z-guiding rail arranged on the column along the Z-axis direction, and a Z-direction rail arranged on the Z-axis direction The Z-direction sliding plate on the guide rail, the first servo motor that drives the Z-direction sliding plate to slide up and down along the Z-direction rail through the Z-direction transmission mechanism, and the installation frame is arranged on the Z-direction sliding plate. 6. A cycloid wheel grinding machine tool according to claim 5, characterized in that: said Z-direction transmission mechanism comprises a first screw rod arranged on a column along the Z-axis direction and a Z-direction sliding plate On the nut matched with the first threaded mandrel, the first servo motor drives the first threaded mandrel to rotate. 7. A cycloidal wheel grinding machine according to claim 2, 3 or 4, characterized in that: said X, Y-axis moving mechanism includes an X-guiding guide rail arranged on the base along the X-axis direction, a slidable The X-direction sliding plate arranged on the X-direction rail, the second servo motor that drives the X-direction sliding plate to slide left and right along the X-direction rail through the X-direction transmission mechanism, and is arranged on the X-direction sliding plate along the Y-axis direction The Y-guiding rail and the third servo motor that drives the worktable to move forward and backward along the Y-guiding rail through the Y-direction transmission mechanism. 8. A cycloidal wheel grinding machine according to claim 7, characterized in that: the X-direction transmission mechanism includes a second screw rod arranged on the base and a second threaded rod arranged on the X-direction sliding plate and the second The nut matched with the screw mandrel, the second servo motor drives the second screw mandrel to rotate, and the Y-direction transmission mechanism includes the third screw mandrel arranged on the X-direction sliding plate and the third screw mandrel arranged on the workbench with the third screw mandrel Cooperating with the nut, the third servo motor drives the third screw to rotate.