CN110142437A - Special machine tool for vertical turning of brake drum - Google Patents

Abstract

The invention relates to a special machine tool for vertical turning processing of brake drums. A column is arranged behind the main base, and the front end of the main base is a funnel mouth in the shape of a square truss; a spindle and a spindle clamp are arranged at the side end of the funnel mouth; The cutter head is driven by the Z-direction and X-direction servo drive devices; the outer end of the column is equipped with a feeding manipulator, and the upper part of the manipulator base is connected to the linear servo device and the L-shaped bending plate through the rotary servo device, and the end of the L-shaped bending plate is passed by the upper pneumatic. The chuck is connected to the gripper of the manipulator; the gripper of the manipulator is driven to rotate and lift by the rotary servo device and the linear servo device, and the workpiece is dropped into or taken out from the gripper of the spindle. The spindle axis of the special machine tool is vertically placed with the horizontal plane, and the loading manipulator can automatically load the workpiece from the feeder to the spindle, and send the processed brake drum back to the feeder, so as to realize automatic loading and unloading, not only Improve processing efficiency, save labor and reduce processing costs.

Description

Special machine tool for vertical turning of brake drum

technical field

The invention relates to a special machine tool for vertical turning processing of brake drums, which belongs to the field of numerical control machine tools.

Background technique

Drum brakes are important parts of automobiles, mainly composed of brake wheel cylinders, brake shoes, brake drums, friction plates, return springs and other parts. When the car is moving, when the brake pedal is stepped on, the brake pedal pushes the piston of the brake master cylinder to move, thereby generating pressure in the oil circuit, and the brake fluid transmits the pressure to the brake wheel cylinder of the wheel to push the piston, and the piston Push the brake shoe to move outward, so that the friction plate will rub against the inner surface of the brake drum, and generate braking force, thereby achieving the effect of car braking.

Brake drum blanks are castings. The processing environment is harsh, dusty, and the cutting volume is large. It is required that the machine tool has good protection and lubrication functions. It is required that the machine tool can maintain machining accuracy under high torque for a long time. Accuracy retention. Brake drum parts are heavy, and the loading and unloading process requires additional logistics equipment. The use of ordinary machine tools requires the use of cranes for loading and unloading, which wastes the time for loading and unloading materials in Dalian; automated production lines can use six-degree-of-freedom manipulators for loading and unloading, but the cost of manipulators is high. Frequent maintenance is required.

Contents of the invention

The technical problem to be solved by the present invention is to provide a special machine tool for brake drum vertical turning. The processed brake drum is sent back to the material channel, so as to realize automatic loading and unloading, which not only improves the processing efficiency, but also saves labor and reduces processing costs.

In order to solve the above problems, the specific technical solution of the present invention is as follows: a special machine tool for vertical turning of brake drums. A column is arranged behind the main base. mouth; a main shaft is provided at the side end of the funnel mouth, and the main shaft fixture is coaxially connected to the main shaft; a main motor driving device is provided at the rear side of the main base, and the main motor driving device is connected with the main shaft and provides power;

The X-direction servo drive device is connected to the X-direction servo drive device on the column through the Z-direction servo drive device. A tool rest is connected to the X-direction servo drive device. The bottom of the tool rest is connected to the cutter head. The position of the cutter head corresponds to the position of the spindle fixture;

The structure of the feeding manipulator at the outer end of the column is that the main base is connected to the manipulator base, the upper part of the manipulator base is connected to the linear servo device through the rotary servo device, and the L-shaped bending plate is connected to the linear servo device, and the end of the L-shaped bending plate Connect the manipulator fixture through the upper pneumatic chuck; drive the manipulator fixture to rotate and lift through the rotary servo device and linear servo device, and drop the workpiece into the spindle fixture or take it out from the spindle fixture.

The structure of the rotary servo device is that the lower flange, the transition sleeve and the upper flange are fixedly connected to the base of the manipulator in sequence, the lower flange is sleeved on the inner ring of the lower bearing, the upper flange is sleeved on the inner ring of the upper bearing, and the lower flange is sleeved on the inner ring of the upper bearing. The bearing and the outer ring of the upper bearing are set on the rotary box together, and a reducer is arranged at the upper end of the cavity of the rotary box, and the outer shell of the reducer is fixed on the rotary box by screws, wherein the input end of the reducer is connected to the rotary shaft The output end of the servo motor is connected to the upper flange through screws.

The structure of the linear servo device is that a linear guide rail is installed on the surface of the rotary box, and the L-shaped bent plate is slidably connected with the linear guide rail through the bent plate base; a linear axis servo motor is fixed on the upper end of the rotary box, and the linear axis servo The output shaft of the motor is connected with the lead screw through the brake. The upper and lower ends of the lead screw are respectively supported on the rotary box through bearings, and the screw nut is connected to the screw, and the outside of the screw nut is connected to the L-shaped bent plate through the screw sleeve. .

The manipulator clamp is composed of three circumferentially distributed L-shaped clamp arms. The horizontal long side of the L-shaped clamp arm is fixed on the upper pneumatic chuck, and the vertical short side clamps the workpiece.

The structure of the main shaft fixture is that the lower pneumatic chuck is connected to the main shaft, and three T-shaped slots are uniformly distributed on the upper circumference of the lower pneumatic chuck, and each T-shaped slot is connected with a support block; the lower pneumatic chuck is provided with three Pneumatic claws, each pneumatic claw is set between every two support blocks, the clamping arm is connected to the pneumatic claw, the top of the clamping arm is connected to the upper arm, the inner surface of the upper arm is an arc contact surface, and the arc contact surface Hold on to the workpiece.

The specific structure of the main motor driving device is that the motor frame is installed on the left rear side of the main base, the main motor is installed on the motor frame, the main motor is connected to the shaft through the coupling A, and the shaft is mounted on the upper and lower sides of the motor frame. Support, a pulley A is installed on the shaft, and a belt is connected between the pulley A and the pulley B on the main shaft.

The connecting structure of the main shaft is that the main shaft housing of the main shaft is positioned on the main base by screws, and the upper end of the inner hole of the main shaft housing is equipped with double-row cylindrical roller bearings and two-way thrust angular contact ball bearings from top to bottom; The lower end of the inner hole of the box body is equipped with a double-row cylindrical roller bearing, the outer ring of the double-row cylindrical roller bearing and the two-way thrust angular contact ball bearing are respectively matched with the inner hole of the main shaft box, and the inner ring is interference fit with the central shaft; the central shaft The lower part of the shaft is equipped with an encoder; the tail of the central shaft is equipped with a pulley B through a coupling B.

The upper end of the main shaft housing has a housing flange, and there are adjusting screws and fastening screws on the housing flange. The inclination angle of the main shaft axis of the main shaft can be changed by adjusting the screwing depth of the screw in the housing flange. A curable colloid is poured between the box body flange and the base to fix the inclination angle of the positioning spindle axis, and fastening screws fasten the spindle housing on the base after the spindle axis is positioned.

There are air holes connecting the bottom and the top on the main shaft housing, and the air holes lead high-pressure air to the top of the main shaft.

The special machine tool for vertical turning of brake drum is placed vertically with the axis of the spindle and the horizontal plane, the tool holder is above the spindle, the servo drive-Z direction and the servo drive-X direction are linked for cutting processing, and the feeding manipulator can move the workpiece from the material path. Automatically feed the material to the spindle, and unload the processed brake drum back to the material channel. At the same time, a funnel is set on the main base, and the processed cuttings are directly discharged through the funnel.

Description of drawings

Fig. 1 is a side view of a special machine tool for vertical turning of a brake drum according to the present invention.

Fig. 2 is a front view of the special machine tool for vertical turning of the brake drum of the present invention.

Fig. 3 is a top view of a special machine tool for vertical turning of brake drums according to the present invention.

Fig. 4 is a side view of the feeding manipulator, the main shaft and the workpiece of the present invention.

Fig. 5 is a perspective view of the feeding manipulator of the present invention.

Fig. 6 is a sectional view of the feeding manipulator of the present invention.

Fig. 7 is a projected view of the clamps on the feeding manipulator and the main shaft of the present invention.

Fig. 8 is a view from the direction A of Fig. 7 .

Fig. 9 is a view taken along direction B of Fig. 7 .

FIG. 10 is a sectional view of FIG. 9 .

Fig. 11 is a sectional view of the main motor drive and the main shaft of the present invention.

In the figure, 1 base; 1.1 square truss-shaped funnel wall; 1.2 funnel mouth; 2 column; 2.1 linear guide rail; 3 main shaft; 3.1 main shaft box; 3.2 central shaft; Bearing; 3.6 Encoder; 3.7 Coupling B; 3.8 Pulley B; 3.9 Air hole; 3.10 Box flange; 3.11 Adjusting screw; 3.12 Fastening screw; 3.13 Spindle axis; Motor; 4.3 Coupling A; 4.6 Pulley A; 4.7 Shaft; 4.8 Coupling A; 4.9 Belt; 5.5 Locking brake; 5.6 Lead screw; 5.7 Linear guide rail; 5.8 L-type bent plate; 5.9 Manipulator base; 5.10 Lower flange; Box body; 5.23 wire female seat; 5.24 bent plate end; 5.25 bent plate base; 5.26 wire female sleeve; 5.27 upper pneumatic chuck; 6 servo drive - Z direction; 6.1 servo motor; Bearing seat; 6.4 Ball screw; 6.5 Bearing and bearing seat; 7 Bed saddle; 7.1 Linear guide rail; 8 Servo drive-X direction; 8.1 Servo motor; 8.2 Bearing and bearing seat; 8.3 Ball screw; 8.4 Bearing and bearing seat; 9 slide plate; 10 tool holder; 10.1 cutter head; 11 workpiece; 12 material channel; 13 spindle fixture; 13.1 lower pneumatic chuck; 13.3 support block; 13.4 T-shaped slot; Arc contact surface; 14 manipulator fixture; 14.1 long side; 14.2 short side.

Detailed ways

As shown in Figures 1 to 4, a special machine tool for vertical turning of brake drums is provided with a column 2 behind the main base 1. The front end of the main base 1 is a funnel wall 1.1 in the shape of a square prism, and the middle part of the funnel wall 1.1 is The funnel mouth 1.2; the main shaft 3 is provided at the side end of the funnel mouth 1.2, and the main shaft fixture 13 is coaxially connected to the main shaft 3; and provide power;

The column 2 is connected to the X-direction servo drive device 8 through the Z-direction servo drive device 6, the X-direction servo drive device 8 is connected with a tool holder 10, the bottom of the tool holder is connected to the cutter head, and the position of the cutter head corresponds to the position of the spindle clamp 13;

The outer end of the column 2 is provided with the structure of the feeding manipulator 5, the manipulator base 5.9 connected to the main base 1, the top of the manipulator base 5.9 is connected to the linear servo device through the rotary servo device, and the L-shaped curved plate 5.8 is connected to the linear servo device. The end of the L-shaped bending plate 5.8 is connected to the manipulator clamp 14 through the upper pneumatic chuck 5.27; the manipulator clamp 14 is driven to rotate and lift by the rotary servo device and the linear servo device, and the workpiece 11 is dropped into the spindle clamp 13 or taken out from the spindle clamp 13.

As shown in Figure 5 and Figure 6, the structure of the rotary servo device is that the lower flange 5.10, the transition sleeve 5.11 and the upper flange 5.12 are fixedly connected to the manipulator base 5.9 in sequence, and the lower flange 5.10 is set on the inner ring of the lower bearing 5.13 The upper and upper flanges 5.12 are set on the inner ring of the upper bearing 5.14, the outer rings of the lower bearing 5.13 and the upper bearing 5.14 are jointly set on the revolving box 5.2, and a reducer 5.15 is provided at the upper end of the revolving box 5.2 cavity to reduce the speed. The outer casing 5.16 of the reducer 5.15 is fixed on the rotary box 5.2 by screws, wherein the input end of the reducer 5.15 is connected to the rotary shaft servo motor 5.3, and the output end is connected to the upper flange 5.12 by screws.

The structure of the linear servo device is that a linear guide rail 5.7 is installed on the surface of the rotary box 5.2, and the L-shaped bent plate 5.8 is slidingly connected with the linear guide rail 5.7 through the bent plate base 5.25; a linear shaft is fixed on the upper end of the rotary box 5.2 The servo motor 5.4, the output shaft of the linear axis servo motor 5.4 is connected with the lead screw 5.6 through the brake 5.5, the upper and lower ends of the lead screw 5.6 are respectively supported on the rotary box 5.2 through the bearing 5.21, and the screw nut seat is connected with the lead screw 5.6 5.23, the outside of the screw female seat 5.23 is connected to the L-shaped bent plate 5.8 through the screw female sleeve 5.26.

As shown in Figures 7 and 8, the manipulator clamp 14 is composed of three L-shaped clamp arms distributed around the circumference, the horizontal long side 14.1 of the L-shaped clamp arm is fixed on the upper pneumatic chuck 5.27, and the vertical The short side 14.2 clamps the workpiece 11; the upper pneumatic chuck 5.27 moves to realize the vertical short side 14.2 clamping or loosening the workpiece 11.

As shown in Fig. 7, Fig. 9 and Fig. 10, the structure of the main shaft clamp 13 is that the lower pneumatic chuck 13.1 is connected on the main shaft 3, and three T-shaped slots 13.4 are evenly distributed on the upper circumference of the lower pneumatic chuck 13.1, each A T-shaped slot 13.4 is connected to the supporting block 13.3; the lower pneumatic chuck 13.1 is provided with three pneumatic jaws 13.5, and each pneumatic jaw 13.5 is arranged between every two supporting blocks 13.3, and the clamp is connected on the pneumatic jaw 13.5 Holding arm 13.2, the top of clamping arm 13.2 is connected with upper arm 13.7, the inner surface of upper arm 13.7 is arc contact surface 13.9, and arc contact surface 13.9 hugs workpiece 11 tightly. The support block 13.3 supports the workpiece 11, and the upper arm 13.7 shrinks under the drive of the lower pneumatic chuck 13.1, so that the arc contact surface 13.9 presses the outer surface of the workpiece 11 to realize the working process of holding tightly.

As shown in Figure 11, the specific structure of the main motor driving device 4 is that the motor frame 4.1 is installed on the left rear side of the main base 1, and the main motor 4.2 is installed on the motor frame 4.1, and the main motor 4.2 passes through the coupling A4. 3 links to each other with shaft 4.7, and shaft 4.7 is supported by the bearing that motor frame 4.1 is arranged up and down, and belt pulley A4.6 is installed on the shaft 4.7, is with belt 4.9 to connect between belt pulley A4.6 and the belt pulley B3.8 on the main shaft 3.

The connection structure of the main shaft 3 is that the main shaft housing 3.1 of the main shaft is positioned on the main base 1 by screws, and the upper end of the inner hole of the main shaft housing 3.1 is equipped with a double-row cylindrical roller bearing 3.3 and a two-way thrust angle from top to bottom. Contact ball bearing 3.4; double-row cylindrical roller bearing 3.3 is installed at the lower end of the inner hole of the spindle housing 3.1, and the outer rings of the double-row cylindrical roller bearing 3.3 and the two-way thrust angular contact ball bearing 3.4 cooperate with the inner hole of the spindle housing 3.1 respectively , the inner ring and the central shaft 3.2 are interference fit; the lower part of the central shaft 3.2 is equipped with an encoder 3.6; the tail of the central shaft 3.2 is equipped with a pulley B3.8 through a coupling B3.7.

The upper end of the main shaft housing 3.1 has a housing flange 3.10, and the housing flange 3.10 has an adjusting screw 3.11 and a fastening screw 3.12, and the screwing depth of the adjusting screw 3.11 on the housing flange 3.10 can be changed. The inclination angle of the main shaft axis 3.13 is poured into the solidified colloid between the box body flange 3.10 and the base 1 to fix the inclination angle of the positioning main shaft axis 3.13, and the fastening screw 3.12 is fastened on the base 1 to the main shaft after the positioning of the main shaft axis 3.13 The box body 3.1 is convenient for adjusting the parallelism between the axis of the spindle and the -Z direction of the servo drive.

The main shaft housing 3.1 has an air hole 3.9 connecting the bottom and the top on the main shaft housing 3.1, and the air hole leads high-pressure air to the top of the main shaft 3 to protect the main shaft by air sealing.

When the brake drum vertical turning machine tool is working, the linear axis servo motor 5.4 and screw 5.6 on the feeding manipulator 5 drive the L-shaped bending plate 5.8 to move downward, and the upper bending plate end 5.24 of the L-shaped bending plate 5.8 The pneumatic chuck 5.27 drives the manipulator fixture 14 to hold the workpiece 11 on the material channel 12 by the short side 14.2, the linear axis servo motor 5.4 and the lead screw 5.6 drive the L-shaped curved plate 5.8 to move upwards to pick up the workpiece 11, and the feeding manipulator 5 The rotary shaft servo motor 5.3 and the reducer 5.15 drive the rotary box 5.2 supported on the lower flange 5.10, the transition sleeve 5.11, and the upper flange 5.12 to rotate, and the rotary box 5.2 drives the L-shaped curved plate 5.8, the pneumatic chuck 5.27, and the manipulator fixture 14. The workpiece 11 rotates, and the motion track of the workpiece 11 is shown as the track line 5.1 in Figure 3. The linear axis servo motor 5.4 and the lead screw 5.6 on the feeding manipulator 5 drive the L-shaped bending plate 5.8 to move downward, and the upper pneumatic chuck 5.27 is loosened. The workpiece 11 is opened, and the workpiece 11 is loaded onto the lower pneumatic chuck 13.1 of the main shaft 3.

The upper pneumatic chuck 5.27 loosens the workpiece 11, and loads the workpiece 11 onto the lower pneumatic chuck 13.1 of the spindle 3. The workpiece 11 is supported by the three support blocks 13.3 of the spindle fixture 13, and the pneumatic jaws 13.5 on the chuck 13.1 are driven The clamping arms 13.2 clamp the outer circumference of the workpiece 11 through the arc contact surfaces 13.9 of the three clamping arms 13.2.

The main motor 4.2 of the main motor driving device 4 drives the pulley 3.8 on the main shaft 3 through the coupling 4.3, the shaft 4.7, the coupling A4.8, the pulley 4.6, and the belt 4.9, and the pulley 3.8 on the driving main shaft 3 passes through the coupling B3 .7. The central shaft 3.2 drives the chuck 13.1 to rotate, and drives the workpiece 11 to rotate.

Servo drive-Z direction 6 and servo drive-X direction 8 linkage, servo motor 6.1 and ball screw 6.4 drive bed saddle 7 to move on the linear track 2.1 of column 2, servo motor 8.1 and ball screw installed on bed saddle 7 The bar 8.3 drives the slide plate 9 to move on the linear guide rail 7.1 of the saddle 7, and the tool holder 10 is installed on the slide plate 9, and the workpiece 11 is cut in conjunction with the servo drive-Z direction 6 and the servo drive-X direction 8.

The base 1 is in the shape of a square truss funnel, with a square truss funnel wall 1.1 and a funnel mouth 1.2. The main shaft 3 is installed on the square truss funnel wall 1.1. Chips generated during the cutting process are discharged through the square truss funnel wall 1.1 and the funnel mouth 1.2. machine tool.

After the workpiece 11 is processed, the pneumatic claw 13.5 on the lower pneumatic chuck 13.1 drives the clamping arm 13.2 to release the workpiece 11, and the upper pneumatic chuck 5.27 on the bent plate end 5.24 of the L-shaped bent plate 5.8 drives the manipulator clamp 14 to utilize The short side 14.2 hugs the workpiece 11, the linear axis servo motor 5.4 and the lead screw 5.6 drive the L-shaped bending plate 5.8 to move upwards to pick up the workpiece 11, and the rotary axis servo motor 5.3 and reducer 5.15 on the loading manipulator 5 drive and support it on the lower flange 5.10, transition sleeve 5.11, upper flange 5.12, lower bearing 5.13, upper bearing 5.14 on the box 5.2 to rotate, the box 5.2 drives the L-shaped bending plate 5.8, upper pneumatic chuck 5.27, manipulator fixture 14, workpiece 11 to rotate, the workpiece The motion track of 11 is shown as the track line 5.1 in Figure 3. The linear axis servo motor 5.4 and the lead screw 5.6 on the loading manipulator 5 drive the L-shaped bending plate 5.8 to move downward, and the pneumatic chuck 5.27 releases the workpiece 11, and the workpiece 11 is sent Return to forehearth 12.

The axes of the main shaft 3 and the horizontal plane are vertically placed, the tool holder 10 is above the main shaft 3, the servo drive-Z direction 8 and the servo drive-X direction 6 are linked for cutting processing, and the feeding manipulator 5 can automatically move the workpiece 11 from the material path 12 Load the material onto the main shaft 3, and feed the processed brake drum workpiece 11 back to the material channel 12.

Claims (9)

1. a kind of vertical turning Special Purpose Machine for Processing of brake rim, it is characterised in that: column (2) are equipped at the rear of main pedestal (1), The front end of main pedestal (1) is in the hopper walls (1.1) of truncated rectangular pyramids shape, is bell mouth (1.2) in the middle part of hopper walls (1.1)；In bell mouth (1.2) side is equipped with main shaft (3), coaxially connected main shaft fixture (13) on main shaft (3)；Master is equipped in the rear side end of main pedestal (1) Motor driver (4), main motor driving device (4) connect with main shaft (3) and provide power；

Pass through Z-direction servo drive (6) connection X-direction servo drive (8), X-direction servo-drive on column (2) It is connected on device (8) knife rest (10), knife rest bottom connects cutterhead, and cutterhead position is corresponding with the position of main shaft fixture (13)；

It is in the structure that the outboard end of column (2) is equipped with feeding manipulator (5), the manipulator base of main pedestal (1) connection (5.9), Linear servo device is connected by rotary servovalve device above manipulator base (5.9), connected on Linear servo device It connects L-type bent plate (5.8), L-type bent plate (5.8) end connects manipulator fixture (14) by upper air spider (5.27)；By returning Turn servomechanism installation and Linear servo device drives manipulator fixture (14) rotation and lifting, workpiece (11) is fallen into main shaft fixture (13) or from main shaft fixture (13) it takes out.

2. the vertical turning Special Purpose Machine for Processing of brake rim as described in claim 1, it is characterised in that: the rotary servovalve dress Setting structure is, the lower flange (5.10) that is fixedly connected sequentially in manipulator base (5.9), transition sleeve (5.11) and upper flange (5.12), lower flange (5.10) covers in the inner ring of lower bearing (5.13), and upper flange (5.12) is covered in the interior of upper bearing (metal) (5.14) On ring, the outer ring of lower bearing (5.13) and upper bearing (metal) (5.14) is covered jointly in revolution cabinet (5.2), in revolution cabinet (5.2) Cavity upper end is equipped with retarder (5.15), and the outer housing (5.16) of retarder (5.15) is fixed by screws in revolution cabinet (5.2) on, wherein the input terminal of retarder (5.15) connects rotating shaft servo motor (5.3), and output end is connected by screw to Flange (5.12).

3. the vertical turning Special Purpose Machine for Processing of brake rim as claimed in claim 2, it is characterised in that: the linear servo dress Setting structure is, the surface of revolution cabinet (5.2) is equipped with linear guide (5.7), and L-type bent plate (5.8) passes through bent plate pedestal (5.25) it is slidably connected on linear guide (5.7)；Linear axis servo motor (5.4) are fixed in revolution cabinet (5.2) upper end, The output shaft of linear axis servo motor (5.4) is connected by band-type brake (5.5) with lead screw (5.6), lead screw (5.6) upper and lower ends difference It is supported in revolution cabinet (5.2) by bearing (5.21), mating connection nut seat (5.23), nut seat on lead screw (5.6) (5.23) pass through nut sleeve (5.26) connection L-type bent plate (5.8) outside.

4. the vertical turning Special Purpose Machine for Processing of brake rim as described in claim 1, it is characterised in that: the manipulator fixture (14) it is made of the L-type clamp arm of three circle distributions, the horizontal long side (14.1) of L-type clamp arm is fixed on air spider (5.27) on, vertical short side (14.2) clamping workpiece (11).

5. the vertical turning Special Purpose Machine for Processing of brake rim as described in claim 1, it is characterised in that: the main shaft fixture (13) structure is air spider (13.1) under connecting on main shaft (3), three T of circumference uniform distribution on lower air spider (13.1) Type groove (13.4) connects supporting block (13.3) on each T-slot (13.4)；Pneumatic clamping there are three being set on lower air spider (13.1) Pawl (13.5), each air-actuated jaw (13.5) are arranged between every two supporting block (13.3), connect on air-actuated jaw (13.5) It connects clamping limb (13.2), clamping limb (13.2) top connects upper arm (13.7), and the inner surface of upper arm (13.7) is arc contact surface (13.9), arc contact surface (13.9) holds workpiece (11) tightly.

6. the vertical turning Special Purpose Machine for Processing of brake rim as described in claim 1, it is characterised in that: the main motor driving Device (4) specific structure is that motor rack (4.1) is mounted on the left rear side of main pedestal (1), and motor rack is equipped with main electricity on (4.1) Machine (4.2), main motor (4.2) pass through shaft coupling A(4.3) it is connected with axis (4.7), axis (4.7) on motor rack (4.1) by dividing into The bearing set is supported, and axis is equipped with belt pulley A(4.6 on (4.7)), belt pulley A(4.6) and main shaft (3) on belt pulley B (3.8) belt (4.9) connection is cased between.

7. the vertical turning Special Purpose Machine for Processing of brake rim as claimed in claim 6, it is characterised in that: the main shaft (3) Connection structure is that the main spindle box body (3.1) of main shaft is located on main pedestal (1) by screw, on the inner hole of main spindle box body (3.1) End is equipped with Biserial cylindrical roller bearing (3.3) and bidirectional angular contact thrust ball bearing (3.4) from top to bottom；Main spindle box body (3.1) Inner hole lower end be equipped with Biserial cylindrical roller bearing (3.3), Biserial cylindrical roller bearing (3.3) and bidirectional propulsion angular contact ball Respectively with main spindle box body (3.1) inner hole, inner ring and central axis (3.2) are interference fitted for the outer ring of bearing (3.4)；Central axis (3.2) lower part is equipped with encoder (3.6)；The tail portion of central axis (3.2) passes through shaft coupling B(3.7) belt pulley B is installed (3.8).

8. the vertical turning Special Purpose Machine for Processing of brake rim as claimed in claim 7, it is characterised in that: the main spindle box body (3.1) upper end has box flange (3.10), there is adjusting screw (3.11) and fastening screw (3.12) on box flange (3.10), The depth that is screwed by adjusting screw (3.11) in box flange (3.10) can change the main-shaft axis (3.13) of main shaft (3) Tilt angle pours into solidifiable colloid stationary positioned main-shaft axis (3.13) between box flange (3.10) and pedestal (1) Tilt angle, fastening screw (3.12) fasten the main spindle box body (3.1) after main-shaft axis (3.13) positioning on pedestal (1).

9. the vertical turning Special Purpose Machine for Processing of brake rim as claimed in claim 8, it is characterised in that: the main spindle box body (3.1) there is the stomata (3.9) for there are connection bottom and top on connection main spindle box body (3.1) on, stomata (3.9) draws pressure-air To the top of main shaft (3).