CN116276381A

CN116276381A - Full-automatic surface grinding machine for machining motor shell mold part

Info

Publication number: CN116276381A
Application number: CN202111569219.XA
Authority: CN
Inventors: 包琪; 王佳欢
Original assignee: Suzhou Industrial Park Tuotian Precision Machinery Manufacturing Co ltd
Current assignee: Suzhou Industrial Park Tuotian Precision Machinery Manufacturing Co ltd
Priority date: 2021-12-21
Filing date: 2021-12-21
Publication date: 2023-06-23

Abstract

The invention discloses a full-automatic surface grinder for machining a motor shell mold part, which comprises a workbench, wherein four corners of the bottom surface of the workbench are respectively provided with a supporting component, one end of the workbench is provided with a circular groove, a disc is slidably arranged in the circular groove, the lower end of the disc is provided with a rotating device, a limiting component and a positioning component are arranged between the disc and the circular groove, the upper surface of the disc is provided with four clamping devices at equal intervals along the circumferential direction, one end of the upper surface of the workbench, which is far away from the circular groove, is fixedly provided with a stand column and a PLC (programmable logic controller), and the surface grinder can enable clamping operation and polishing operation to be simultaneously carried out by arranging the four clamping devices on the rotatable disc, and the clamping operation is simpler and quicker, so that the momentum of workers can be reduced, the machining efficiency can be increased, the positions of a grinding wheel and a workpiece can be adjusted, the workpiece can be polished comprehensively, and the workpiece does not need to be stopped.

Description

Full-automatic surface grinding machine for machining motor shell mold part

Technical Field

The invention relates to the technical field of surface grinding machines, in particular to a full-automatic surface grinding machine for machining a motor casing die part.

Background

The surface grinder is one of grinding machines, and mainly uses a grinding wheel to rotationally grind a workpiece so as to achieve required flatness, and can be divided into a rectangular workbench and a round workbench according to the shape of the workbench, wherein the main parameters of the rectangular workbench surface grinder are the width and the length of the workbench, and the main parameters of the round workbench are the diameter of a workbench surface and can be divided into a horizontal shaft and a vertical shaft grinder according to different shafts.

The existing full-automatic surface grinding machine for machining the motor shell die parts generally comprises a workbench, a grinding wheel, a motor and a workpiece fixing device, wherein the workpiece fixing device is arranged on the workbench and located below the grinding wheel, during use, a workpiece is placed on the workbench, the workpiece is fixed through the workpiece fixing device, a surface to be machined of the workpiece faces the grinding wheel, the grinding wheel rotates to grind the workpiece and finish the machining process of the workpiece, the grinding machine needs to stop the work of the grinding machine when grinding the second surface of a product, then materials are manually turned over to grind, the working efficiency is low, safety threat is caused, the existing grinding machine needs to stop the operation when clamping and fixing the product, the clamping operation of the product is complex, the labor capacity of workers is increased, and the machining efficiency is further reduced.

For the problems in the related art, no effective solution has been proposed at present.

Disclosure of Invention

The invention aims to provide a full-automatic surface grinder for machining a motor casing die part, which aims to solve the problems in the background art.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a motor casing mould part processing is with full-automatic flat grinder includes the workstation, four angles of workstation bottom surface all are equipped with supporting component, the circular slot has been seted up to workstation one end, the circular slot is interior to slide and is equipped with the disc, the disc lower extreme is equipped with rotating device, the disc with be equipped with spacing subassembly and locating component between the circular slot, the disc upper surface is equidistant along the circumferencial direction to be equipped with four clamping device, the workstation upper surface is kept away from the one end of circular slot is fixed with stand and PLC controller, the stand upper end is close to one side of circular slot is fixed with the guide post, the guide post lower extreme is equipped with grinding device;

the clamping device comprises end plates, sliding rods, a screw rod, a first driving motor, a first concave plate, a second concave plate, a first electric push rod, a telescopic cylinder, a first stepping motor and clamping plates, wherein the number of the end plates is two, the distance between the end plates is fixed on the disc, the sliding rods are fixed between the end plates, bearings are fixedly embedded at one ends of the end plates, the screw rod is fixed between the bearings, the first driving motor is fixed on the outer wall of one end plate, a rotating shaft of the first driving motor is fixedly connected with the screw rod, the sliding sleeve on the outer wall of the sliding rod is provided with a first sliding block, the first sliding block is in threaded connection with the outer wall of the screw rod, the first concave plate is fixedly provided with the first concave plate, the bottom end of the first concave plate is fixedly provided with the first electric push rod, the telescopic rod of the first electric push rod penetrates through the second concave plate, the outer wall of the two sides of the second concave plate is fixedly provided with a telescopic cylinder, the piston rod of the telescopic cylinder penetrates through the side wall of the second concave plate and is fixedly provided with a rectangular pressure sensor, the first stepping motor is fixedly connected with the first stepping motor and the telescopic cylinder, and the first stepping motor is far away from the first stepping motor, and the first stepping motor is fixedly connected with one side of the stepping motor and the telescopic frame;

the polishing device comprises a sliding frame, a driving mechanism, hydraulic cylinders, second driving motors and a grinding wheel, wherein the sliding frame is arranged on the outer wall of the guide post in a sliding sleeve mode, the driving mechanism is arranged at the upper end of the sliding frame, the two hydraulic cylinders are fixed at the lower ends of the sliding frame, the second driving motors are fixed between the lower ends of piston rods of the hydraulic cylinders, the grinding wheel is fixedly sleeved on the outer wall of a rotating shaft of each second driving motor, and the driving mechanism, the hydraulic cylinders and the second driving motors are all connected with a PLC in a control mode.

Further, rotating device includes drive shaft, hemisphere shell, second step motor and L shape mounting panel, the lower extreme at disc middle part is fixed with the drive shaft, the drive shaft lower extreme is fixed with the hemisphere shell, the hemisphere shell lower extreme is equidistant to be seted up bar groove and the semicircle groove that is four of quantity along circumferencial direction, just bar groove with semicircle groove set up in turn, be fixed with L shape mounting panel under the workstation, be fixed with second step motor on the L shape mounting panel, second step motor's pivot outer wall fixed cover be equipped with semicircle groove assorted drum, the drum is kept away from second step motor's one end has seted up the breach, the drum is close to second step motor's one end outer wall is fixed with the arc connecting plate, the arc connecting plate is kept away from drum one end be fixed with bar groove assorted pendulum post.

Further, the limiting component comprises a convex ring and a ring groove, the convex ring is fixed on the outer wall of the disc, which is close to the lower end, and the ring groove matched with the convex ring is formed in the inner wall of the circular groove.

Further, the locating component comprises a second electric push rod and a locating groove, a mounting hole is formed in one side of the round groove, the second electric push rod is fixed in the mounting hole, and four locating grooves matched with the second electric push rod are formed in the outer wall of the disc at equal intervals along the circumferential direction.

Further, a feeding table is fixed at one end of the workbench, which is close to the disc, a discharging table is fixed at one side of the workbench, which is close to the disc, and a supporting component is arranged at the lower ends of the feeding table and the discharging table.

Further, the supporting component comprises supporting columns and a circular mounting plate, the four corners of the bottom surface of the workbench, the feeding barrel and the bottom surface of the discharging platform are far away from one end of the workbench, the supporting columns are fixedly arranged at the lower ends of the supporting columns, the circular mounting plate is fixedly arranged at the lower ends of the supporting columns, and the circular mounting plate is provided with process holes.

Further, actuating mechanism includes third driving motor, gear, pinion rack, guide way and second slider, the slipframe upper end is fixed with third driving motor, the fixed cover of pivot outer wall of third driving motor is equipped with the gear, the slipframe upper wall seted up with gear assorted wears the groove, the fixed pinion rack that inlays of steering column upper end, just the gear runs through wear the groove with the pinion rack meshes mutually, the guide way has been seted up to the steering column upper end, slipframe upper end inner wall be fixed with guide way assorted second slider.

Compared with the prior art, the invention has the following beneficial effects:

1. according to the invention, by arranging the workbench, the supporting component, the disc, the rotating device, the limiting component, the positioning component, the clamping device, the PLC and the polishing device, the clamping operation and the polishing operation can be simultaneously carried out by arranging the four clamping devices on the rotatable disc, the clamping operation is simpler and faster, the labor capacity of workers can be reduced, the processing efficiency can be increased, the positions of the grinding wheel and the workpiece can be adjusted, so that the workpiece can be polished comprehensively, and the shutdown operation is not required;

2. according to the invention, the driving shaft, the hemispherical shell, the second stepping motor and the L-shaped mounting plate are arranged, the cylinder, the arc-shaped connecting plate and the swing column can be driven to rotate by the second stepping motor, so that the hemispherical shell can be driven to rotate by 45 degrees through the cooperation of the swing column and the rectangular groove when the second stepping motor rotates for one circle, and the disc is driven to rotate by 45 degrees;

3. according to the invention, the convex ring and the annular groove are arranged, so that the disc in the circular groove can be limited, the disc cannot be separated from the circular groove, and the disc can freely rotate in the circular groove;

4. according to the invention, the second electric push rod and the positioning groove are arranged, so that the disc can be fixed by being inserted into the positioning groove in an extending way after the disc rotates for 45 degrees, and the disc can not rotate any more;

5. according to the invention, the third driving motor, the gear, the toothed plate, the guide groove and the second sliding block are arranged, so that the gear can be driven to rotate by the third driving motor, the sliding frame can be driven to translate along the guide post, and the limiting effect of the second sliding block and the guide groove can limit the movement track of the sliding frame.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural view of a full-automatic surface grinder for machining a motor housing mold part according to an embodiment of the present invention;

FIG. 2 is a schematic view of a clamping device in a full-automatic surface grinder for machining a motor housing mold part according to an embodiment of the present invention;

FIG. 3 is a schematic view of a grinding device in a fully automatic surface grinder for machining motor housing mold parts according to an embodiment of the present invention;

FIG. 4 is a schematic view of a rotating device in a full-automatic surface grinder for machining motor housing mold parts according to an embodiment of the present invention;

FIG. 5 is a bottom view of a hemispherical shell in a fully automated surface grinding machine for machining motor shell mold sections according to an embodiment of the present invention;

FIG. 6 is a cross section of a table in a fully automated surface grinder for machining motor housing mold parts according to an embodiment of the present invention;

fig. 7 is an enlarged view of the structure at a in fig. 6.

Reference numerals:

1. a work table; 2. a circular mounting plate; 3. a circular groove; 4. a disc; 5. a rotating device; 6. a limit component; 7. a positioning assembly; 8. a clamping device; 9. a column; 10. a PLC controller; 11. a guide post; 12. a polishing device; 13. an end plate; 14. a slide bar; 15. a screw rod; 16. a first driving motor; 17. a first slider; 18. a first concave plate; 19. a second concave plate; 20. a first electric push rod; 21. a first pressure sensor; 22. a telescopic cylinder; 23. a second pressure sensor; 24. a rectangular frame; 25. a first stepping motor; 26. a clamping plate; 27. a sliding frame; 28. a hydraulic cylinder; 29. a second driving motor; 30. grinding wheel; 31. a drive shaft; 32. a hemispherical shell; 33. a second stepping motor; 34. an L-shaped mounting plate; 35. a cylinder; 36. an arc-shaped connecting plate; 37. swing column; 38. a convex ring; 39. a ring groove; 40. a second electric push rod; 41. a positioning groove; 42. a blanking table; 43. a feeding table; 44. a support column; 45. a third driving motor; 46. a gear; 47. a toothed plate; 48. a guide groove; 49. and a second slider.

Detailed Description

The invention is further described below with reference to the accompanying drawings and detailed description:

examples:

referring to fig. 1-7, a full-automatic surface grinder for machining a motor casing mold part according to an embodiment of the invention comprises a workbench 1, wherein four corners of the bottom surface of the workbench 1 are respectively provided with a supporting component, one end of the workbench 1 is provided with a round groove 3, a disc 4 is arranged in a sliding manner in the round groove 3, the lower end of the disc 4 is provided with a rotating device 5, a limiting component 6 and a positioning component 7 are arranged between the disc 4 and the round groove 3, four clamping devices 8 are arranged on the upper surface of the disc 4 at equal intervals along the circumferential direction, one end of the upper surface of the workbench 1 far away from the round groove 3 is fixedly provided with a stand column 9 and a PLC (programmable logic controller) 10, one side, close to the round groove 3, of the upper end of the stand column 9 is fixedly provided with a guide column 11, and the lower end of the guide column 11 is provided with a polishing device 12;

clamping device 8 includes end plate 13, slide bar 14, lead screw 15, first driving motor 16, first recess shaped plate 18, second recess shaped plate 19, first electric putter 20, telescopic cylinder 22, first step motor 25 and splint 26, the quantity of end plate 13 is two and the interval is fixed on disc 4, be fixed with slide bar 14 between the end plate 13, end plate 13 one end is all fixed to inlay and is equipped with the bearing, be fixed with lead screw 15 between the bearing, one of them end plate 13 outer wall is fixed with first driving motor 16, the pivot of first driving motor 16 with lead screw 15 fixed connection, slide bar 14 outer wall slip cap is equipped with first slider 17, just first slider 17 threaded connection is in lead screw 15 outer wall, be fixed with first recess shaped plate 18 on the first slider 17, be fixed with second recess shaped plate 19 on the first recess shaped plate 18, first recess shaped plate 18 bottom is fixed with first electric putter 20, the telescopic link of first electric putter 20 runs through second recess shaped plate 19 and upper end is fixed with lead screw 15, one side is fixed with first recess shaped plate 21, second recess shaped plate 19 and second step motor 22 and one side is fixed with second recess shaped plate 23, and is kept away from the same side is fixed with first step motor 25, and is fixed with first recess shaped plate 25, and is equipped with a rectangle shaped plate 23 side is kept away from the same side as the telescopic cylinder 23 The telescopic cylinder 22 and the first stepping motor 25 are in control connection with the PLC 10;

grinding device 12 includes sliding frame 27, actuating mechanism, pneumatic cylinder 28, second driving motor 29 and grinding wheel 30, the guide post 11 outer wall slip cap is equipped with sliding frame 27, sliding frame 27 upper end is equipped with actuating mechanism, sliding frame 27 lower extreme is fixed with a quantity and is two pneumatic cylinders 28, be fixed with second driving motor 29 between the piston rod lower extreme of pneumatic cylinder 28, the fixed cover of the pivot outer wall of second driving motor 29 is equipped with grinding wheel 30, actuating mechanism pneumatic cylinder 28 with second driving motor 29 all with PLC controller 10 control is connected, can be through setting up four clamping device 8 on rotatable disc 4 for clamping operation and polishing operation can go on simultaneously, and clamping operation is comparatively simple, swiftly, not only can reduce staff's amount of labour, but also can increase machining efficiency, and can adjust the position of grinding wheel 30 and work piece, thereby can carry out polishing to the work piece comprehensively, need not to stop the operation moreover.

In a further embodiment, the rotating device 5 includes a driving shaft 31, a hemispherical shell 32, a second stepper motor 33 and an L-shaped mounting plate 34, the lower end of the middle part of the disc 4 is fixed with the driving shaft 31, the lower end of the driving shaft 31 is fixed with the hemispherical shell 32, the lower end of the hemispherical shell 32 is provided with four strip-shaped grooves and four semicircular grooves at equal intervals along the circumferential direction, the strip-shaped grooves and the semicircular grooves are alternately arranged, the L-shaped mounting plate 34 is fixed under the workbench 1, the second stepper motor 33 is fixed on the L-shaped mounting plate 34, a cylinder 35 matched with the semicircular grooves is fixedly sleeved on the outer wall of the rotating shaft of the second stepper motor 33, one end of the cylinder 35 far away from the second stepper motor 33 is provided with a notch, one end of the cylinder 35 close to one end of the second stepper motor 33 is fixed with an arc-shaped connecting plate 36, one end of the arc-shaped 36 far away from the cylinder 35 is fixed with a pendulum post 37 matched with the semicircular grooves, and the second stepper motor 33 can drive the second stepper motor 33 and the second stepper motor 33 to rotate by 45 ° and the arc-shaped connecting plate 37, so that the pendulum post 37 can rotate along with the second stepper motor 33 to drive the disc 45 to rotate.

In a further embodiment, the limiting component 6 includes a convex ring 38 and a ring groove 39, the outer wall of the disc 4 close to the lower end is fixed with the convex ring 38, the inner wall of the circular groove 3 is provided with the ring groove 39 matched with the convex ring 38, so that the disc 4 in the circular groove 3 can be limited, the disc 4 cannot be separated from the circular groove 3, and the disc 4 can freely rotate in the circular groove 3.

In a further embodiment, the positioning assembly 7 includes a second electric push rod 40 and a positioning groove 41, a mounting hole is formed in one side of the circular groove 3, the second electric push rod 40 is fixed in the mounting hole, four positioning grooves 41 matched with the second electric push rods 40 are formed in the outer wall of the disc 4 at equal intervals along the circumferential direction, and the disc 4 can be fixed in the positioning groove 41 by extending and inserting the second electric push rod 40 after rotating the disc 4 by 45 degrees, so that the disc 4 can not rotate any more.

In a further embodiment, a loading table 43 is fixed at one end of the workbench 1 close to the disc 4, a discharging table 42 is fixed at one side of the workbench 1 close to the disc 4, and support assemblies are respectively arranged at the lower ends of the loading table 43 and the discharging table 42, wherein the loading table 43 can be used for temporarily placing a workpiece to be processed, and the discharging table 42 can be used for temporarily placing the processed workpiece.

In a further embodiment, the supporting component comprises a supporting column 44 and a circular mounting plate 2, the four corners of the bottom surface of the workbench 1 and the bottoms of the feeding barrel and the blanking table 42 are far away from one end of the workbench 1, the supporting column 44 is fixed at the lower end of the supporting column 44, the circular mounting plate 2 is provided with a process hole, the circular mounting plate 2 can play a role in supporting the workbench 1, and the circular mounting plate 2 can be fixed on the ground to increase the stability of the grinding machine in the working process.

In a further embodiment, the driving mechanism includes a third driving motor 45, a gear 46, a toothed plate 47, a guiding slot 48 and a second slider 49, the upper end of the sliding frame 27 is fixed with the third driving motor 45, a gear 46 is fixedly sleeved on the outer wall of the rotating shaft of the third driving motor 45, a through slot matched with the gear 46 is provided on the upper wall of the sliding frame 27, the toothed plate 47 is fixedly embedded in the upper end of the guiding column 11, the gear 46 penetrates through the through slot and is meshed with the toothed plate 47, the guiding slot 48 is provided on the upper end of the guiding column 11, the second slider 49 matched with the guiding slot 48 is fixed on the inner wall of the upper end of the sliding frame 27, the gear 46 can be driven to rotate by the third driving motor 45, so that the sliding frame 27 can be driven to translate along the guiding column 11, and the movement track of the sliding frame 27 can be limited by the limiting effect of the second slider 49 and the guiding slot 48.

In order to facilitate understanding of the above technical solutions of the present invention, the following describes in detail the working principle or operation manner of the present invention in the actual process.

In practical application, the station that is close to material loading platform 43 is the clamping station, the station that is close to unloading platform 42 is the unloading station, the station that is close to stand 9 is the processing station, the station that is away from unloading station one side is waiting to process the station, place the work piece that waits to process on second concave plate 19 at the position of material loading platform 43, first pressure sensor 21 can play the effect of interim bearing work piece, simultaneously first pressure sensor detects the pressure value and sends the signal of detection to the PLC controller, the PLC controller 10 can control the work of corresponding flexible cylinder 22 and drive splint 26 and carry out the centre gripping fixedly to the work piece on the first pressure sensor 21, wherein, the pressure of splint 26 to the work piece is detected to the second pressure sensor 23, when this pressure reaches the threshold value of predetermineeing, the PLC controller 10 can control flexible cylinder 22 and stop the extension, and control first electric putter 20 shrink, make first pressure sensor 21 hug closely the bottom surface of second concave plate 19. Then the second stepping motor 33 is controlled to rotate for one circle, the second stepping motor 33 can drive the semispherical shell 32 to rotate for 45 degrees through the cooperation of the swing column 37 and the rectangular groove, thereby driving the circular disk 4 to rotate for 45 degrees, the clamping device 8 with the installed workpiece is rotated to the working position to be machined, the clamping device 8 of the original blanking working position is rotated to the clamping working position to continuously clamp the workpiece, after the clamping is completed, the second stepping motor 33 is continuously controlled to rotate for one circle, the circular disk 4 is driven to rotate for 45 degrees, the clamping device 8 with the workpiece to be machined is rotated to the working position, the sliding frame can translate along the guide column 11 under the driving of the third driving motor 45, the hydraulic cylinder 28 can drive the second driving motor 29 and the grinding wheel 30 to translate up and down, the first driving motor 16 can drive the lead screw 15 to rotate, thereby driving the workpiece to translate along the slide rod 14, thereby comprehensively polishing the upper surface of the workpiece, the workpiece can be completed without turning over through the first stepping motor 25 at two ends of the control workpiece, thereby the workpiece can be completely turned over, the workpiece can be polished, the workpiece is not completely polished, the workpiece is completely, the workpiece can be polished, the workpiece can be completely clamped by the working position is completely, and the workpiece can be processed by the rotating only by the first stepping motor and the first stepping motor 25 is controlled to rotate for rotation, the workpiece is continuously, and the workpiece is rotated for the workpiece, the clamping device is rotated for 4, and can be continuously, and can be rotated for the workpiece, and easily, and can be processed by the workpiece, and can rotate and efficiently, and can rotate, and can and easily, and can rotate, and can simultaneously, and can be processed by the workpiece, and efficiently, and can continuously, and efficiently, can rotate and continuously, and, and can adjust the position of emery wheel 30 and work piece to can polish the work piece comprehensively, need not to shut down the operation moreover, and after disc 4 rotates 45, can extend through control second electric putter 40 and insert in constant head tank 41 and fix disc 4, make disc 4 can not rotate any more, thereby can increase the stability of work piece in the process of polishing, and need control second electric putter 40 shrink earlier before control second step motor 33 rotates, take out the telescopic link of second electric putter 40 from constant head tank 41.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The full-automatic surface grinding machine for machining the motor shell die part is characterized by comprising a workbench (1), wherein four corners of the bottom surface of the workbench (1) are respectively provided with a supporting component, one end of the workbench (1) is provided with a round groove (3), a disc (4) is arranged in the round groove (3) in a sliding mode, the lower end of the disc (4) is provided with a rotating device (5), a limiting component (6) and a positioning component (7) are arranged between the disc (4) and the round groove (3), four clamping devices (8) are arranged on the upper surface of the disc (4) at equal intervals along the circumferential direction, one end, away from the round groove (3), of the upper surface of the workbench (1) is fixedly provided with a stand column (9) and a PLC (10), one side, close to the round groove (3), of the upper end of the stand column (9) is fixedly provided with a guide column (11), and the lower end of the guide column (11) is provided with a polishing device (12).

The clamping device (8) comprises end plates (13), slide bars (14), screw rods (15), a first driving motor (16), a first concave plate (18), a second concave plate (19), a first electric push rod (20), telescopic cylinders (22), a first stepping motor (25) and clamping plates (26), wherein the number of the end plates (13) is two, the distance between the end plates is fixed on the disc (4), the slide bars (14) are fixed between the end plates (13), bearings are fixedly embedded at one end of the end plates (13), the screw rods (15) are fixed between the bearings, one end plate (13) is fixedly provided with the first driving motor (16), the rotating shaft of the first driving motor (16) is fixedly connected with the screw rods (15), a first sliding block (17) is sleeved on the outer wall of the slide bars (14) in a sliding mode, a first concave plate (18) is fixed on the outer wall of the screw rods (15), a second concave plate (19) is fixed on the first concave plate (18), a first force sensor (20) is fixed at the bottom end of the first concave plate (20), the outer walls of two sides of the second concave plate (19) are respectively fixed with a telescopic cylinder (22), piston rods of the telescopic cylinders (22) penetrate through the side walls of the second concave plate (19) and are respectively fixed with a second pressure sensor (23), one side, far away from the telescopic cylinders (22), of each second pressure sensor (23) is respectively fixed with a rectangular frame (24), one side inner wall, far away from each second pressure sensor (23), of each rectangular frame (24) is respectively fixed with a first stepping motor (25), rotating shafts of the first stepping motors (25) respectively penetrate through the rectangular frames (24) and are respectively fixed with a clamping plate (26), and the first driving motor (16), the telescopic cylinders (22) and the first stepping motors (25) are respectively connected with the PLC (10) in a control mode.

Grinding device (12) are including sliding frame (27), actuating mechanism, pneumatic cylinder (28), second driving motor (29) and grinding wheel (30), guide post (11) outer wall slip cover is equipped with sliding frame (27), sliding frame (27) upper end is equipped with actuating mechanism, sliding frame (27) lower extreme is fixed with hydraulic cylinder (28) that the quantity is two, be fixed with second driving motor (29) between the piston rod lower extreme of hydraulic cylinder (28), the fixed cover of pivot outer wall of second driving motor (29) is equipped with grinding wheel (30), actuating mechanism pneumatic cylinder (28) with second driving motor (29) all with PLC controller (10) control connection.

2. The full-automatic surface grinding machine for machining of a motor shell mold part according to claim 1, characterized in that the rotating device (5) comprises a driving shaft (31), a hemispherical shell (32), a second stepping motor (33) and an L-shaped mounting plate (34), the lower end of the middle part of the disc (4) is fixedly provided with the driving shaft (31), the lower end of the driving shaft (31) is fixedly provided with the hemispherical shell (32), the lower end of the hemispherical shell (32) is provided with four strip-shaped grooves and four semicircular grooves at equal intervals along the circumferential direction, the strip-shaped grooves and the semicircular grooves are alternately arranged, the L-shaped mounting plate (34) is fixed under the workbench (1), the second stepping motor (33) is fixed on the L-shaped mounting plate (34), a cylinder (35) matched with the semicircular grooves is fixedly sleeved on the outer wall of a rotating shaft of the second stepping motor (33), one end of the cylinder (35) far away from the second stepping motor (33) is provided with a notch, and one end of the cylinder (35) near the second stepping motor (33) is provided with an arc-shaped connecting plate (36), and one end of the cylinder (35) near the second stepping motor (33) is fixed with the arc-shaped connecting plate (36).

3. The full-automatic surface grinding machine for machining of a motor casing die component according to claim 1, wherein the limiting assembly (6) comprises a convex ring (38) and a ring groove (39), the convex ring (38) is fixed on the outer wall, close to the lower end, of the disc (4), and the ring groove (39) matched with the convex ring (38) is formed in the inner wall of the circular groove (3).

4. The full-automatic surface grinding machine for machining of a motor casing die component according to claim 1, wherein the positioning assembly (7) comprises a second electric push rod (40) and positioning grooves (41), a mounting hole is formed in one side of the round groove (3), the second electric push rod (40) is fixed in the mounting hole, and four positioning grooves (41) which are matched with the second electric push rods (40) in number are formed in the outer wall of the disc (4) at equal intervals along the circumferential direction.

5. The full-automatic surface grinding machine for machining of a motor casing die component according to claim 1, wherein a feeding table (43) is fixed at one end of the workbench (1) close to the disc (4), a discharging table (42) is fixed at one side of the workbench (1) close to the disc (4), and supporting components are arranged at the lower ends of the feeding table (43) and the discharging table (42).

6. The full-automatic surface grinding machine for machining of a motor casing die component according to claim 5, wherein the supporting component comprises supporting columns (44) and a circular mounting plate (2), the supporting columns (44) are fixed at four corners of the bottom surface of the workbench (1) and one ends of the bottom surfaces of the feeding cylinder and the blanking table (42), which are far away from the workbench (1), respectively, the circular mounting plate (2) is fixed at the lower ends of the supporting columns (44), and the circular mounting plate (2) is provided with process holes.

7. The full-automatic surface grinding machine for machining of a motor shell mold part according to claim 1, wherein the driving mechanism comprises a third driving motor (45), a gear (46), a toothed plate (47), a guide groove (48) and a second sliding block (49), the third driving motor (45) is fixed at the upper end of the sliding frame (27), the gear (46) is fixedly sleeved on the outer wall of a rotating shaft of the third driving motor (45), a through groove matched with the gear (46) is formed in the upper wall of the sliding frame (27), the toothed plate (47) is fixedly embedded in the upper end of the guide post (11), the gear (46) penetrates through the through groove to be meshed with the toothed plate (47), the guide groove (48) is formed in the upper end of the guide post (11), and the second sliding block (49) matched with the guide groove (48) is fixed on the inner wall of the upper end of the sliding frame (27).