CN109366293B

CN109366293B - Polishing device for automobile cylinder cover casting part

Info

Publication number: CN109366293B
Application number: CN201811044441.6A
Authority: CN
Inventors: 李传
Original assignee: Anhui Province Hanshan County Xingjian Foundry Factory
Current assignee: Anhui Province Hanshan County Xingjian Foundry Factory
Priority date: 2018-09-07
Filing date: 2018-09-07
Publication date: 2020-11-06
Anticipated expiration: 2038-09-07
Also published as: CN109366293A

Abstract

The invention relates to the field of polishing equipment, in particular to a polishing device for an automobile cylinder cover casting, which comprises a rotating mechanism, wherein a feeding mechanism, a first polishing mechanism, a second polishing mechanism and a blowing mechanism are sequentially arranged around the rotating mechanism, the rotating mechanism is provided with four positioning mechanisms for positioning the cylinder cover casting, the feeding mechanism comprises an installation frame, a rotating assembly and a lifting assembly, the rotating assembly is installed in the ground, the installation frame is installed on the rotating assembly, the lifting assembly is installed on the installation frame, the blowing mechanism comprises a supporting table, a blowing assembly, an up-down swinging assembly and a left-right swinging assembly, the up-down swinging assembly is installed at the top of the supporting table, the left-right swinging assembly is installed on the up-down swinging assembly, and the blowing assembly is installed on the left-right swinging assembly. The invention improves the polishing efficiency of the cylinder cover casting, does not need to carry the cylinder cover casting back and forth, and can automatically clean the scraps on the cylinder cover casting.

Description

Polishing device for automobile cylinder cover casting part

Technical Field

The invention relates to the field of polishing equipment, in particular to a polishing device for an automobile cylinder cover casting.

Background

Automobile cylinder heads are generally cast by gray cast iron or alloy cast iron, and aluminum alloy has good thermal conductivity and is beneficial to improving the compression ratio, so in recent years, aluminum alloy cylinder heads are increasingly used. The cylinder cover is a component of the combustion chamber, the shape of the combustion chamber has great influence on the work of the engine, and the combustion modes of the gasoline engine and the diesel engine are different, so that the difference of the components of the combustion chamber on the cylinder cover is large. The combustion chamber of a gasoline engine is mainly on a cylinder cover, and the combustion chamber of a diesel engine is mainly in a pit at the top of a piston. In order to improve the tightness of the cylinder head, the cylinder head casting must be finely ground after being produced. The cylinder head casting part is required to be processed by a plurality of devices in sequence in the polishing process, the cylinder head casting part is required to be transported to the next device for polishing and processing on the next step after the processing procedure is completed on one device, the transportation back and forth is time-consuming, and the polishing efficiency of the cylinder head casting part is greatly reduced.

Disclosure of Invention

The invention aims to provide a polishing device for an automobile cylinder head casting, which aims to solve the problem of low polishing efficiency of the traditional cylinder head casting polishing equipment.

The technical scheme of the invention is as follows: including rotary mechanism, be equipped with feed mechanism, first grinding machanism, second grinding machanism and the mechanism of blowing in proper order around rotary mechanism, be equipped with four positioning mechanism that are used for advancing line location to cylinder head casting on the rotary mechanism, feed mechanism includes mounting bracket, runner assembly and carries and hangs the subassembly, the runner assembly is installed in the ground, the mounting bracket is installed on the runner assembly, it hangs the unit mount on the mounting bracket to carry, the mechanism of blowing includes the brace table, blows subassembly, luffing motion subassembly and horizontal hunting subassembly, the luffing motion unit mount is at the top of brace table, horizontal hunting unit mount is on the luffing motion subassembly, the unit mount of blowing is on horizontal hunting subassembly.

In a preferred embodiment of the present invention, the rotating mechanism includes a rotating table, a rotating table and a servo motor for driving the rotating table to rotate, the servo motor is vertically installed in the rotating table, an output end of the servo motor penetrates through the rotating table, the rotating table is installed at an output end of the servo motor, an annular accommodating groove is formed in the rotating table, and each positioning mechanism is fixed on the rotating table.

In a preferred embodiment of the present invention, the positioning mechanism includes an L-shaped fixed block, a lead screw, a rotating handle and a positioning element, the fixed block is mounted on the turntable, a fixed seat is disposed at one end of the fixed block, a bearing is disposed in the fixed seat, one end of the lead screw is rotatably mounted on the fixed block, the other end of the lead screw is connected to the bearing, a threaded hole matched with the lead screw is disposed on the positioning element, two first sliding blocks symmetrically disposed are disposed at the bottom of the positioning element, two sliding grooves slidably matched with the first sliding blocks are disposed on the fixed block, the rotating handle is mounted on the lead screw, a first engaging hole is disposed on the rotating handle, a bolt is disposed in the first engaging hole, and a plurality of second engaging holes evenly distributed along the circumferential direction of the rotating.

In a preferred embodiment of the present invention, the rotating assembly includes a rotating motor vertically installed in the ground, and a connecting plate installed at an output end of the rotating motor, and the connecting plate is fixedly connected to the mounting bracket by a bolt.

In a preferred embodiment of the invention, the lifting assembly comprises a winding drum, a steel wire rope, a feeding motor and a clamping jaw piece, wherein a mounting seat is arranged at the lower part of the mounting frame, the winding drum is rotatably mounted on the mounting seat, a first chain wheel coaxial with the winding drum is arranged at one end of the winding drum, the feeding motor is positioned beside the mounting seat, a second chain wheel is arranged at the output end of the feeding motor, the first chain wheel and the second chain wheel are in transmission connection through a chain, fixed pulleys are arranged on the side wall and the top of the mounting frame, one end of the steel wire rope is connected to the winding drum, and the other end of the steel wire rope is sequentially wound on the two fixed pulleys and finally connected with.

In a preferred embodiment of the invention, the first polishing mechanism comprises a mounting box with an upward opening, a pushing cylinder, a lifting cylinder, a first L-shaped plate, a second L-shaped plate, a first electric cylinder, a screw rod sliding table and a first polishing device, wherein the lifting cylinder is vertically mounted in the mounting box, the first L-shaped plate is connected with the output end of the lifting cylinder, the screw rod sliding table is mounted on the first L-shaped plate, four guide rods which are distributed in a rectangular shape are arranged at the bottom of the first L-shaped plate, four guide seats which are in one-to-one sliding fit with the four guide rods are arranged in the mounting box, the screw rod sliding table is mounted on the first L-shaped plate, a window which is matched with the screw rod sliding table is arranged on the first L-shaped plate, the first electric cylinder is horizontally mounted on the sliding table of the screw rod sliding table, a first U-shaped plate is mounted on the sliding table of the first electric cylinder, and the, and the output of first sander sets up vertically downwards, second L template is installed subaerial, the mounting box is located the side of second L template, promote the cylinder and install on second L template to the output that promotes the cylinder is connected with the lateral wall of mounting box, the bottom of mounting box is equipped with two second sliders that are the symmetry and set up, subaerial two and two second slider one-to-one sliding fit's slide of being equipped with.

In a preferred embodiment of the present invention, the second polishing mechanism includes a vertical frame, a second electric cylinder, a second polisher, two third electric cylinders and two fourth electric cylinders, the two third electric cylinders are vertically disposed on the vertical frame at intervals, a third L-shaped plate is disposed on a sliding table of each third electric cylinder, the two fourth electric cylinders are horizontally disposed on the two third L-shaped plates, respectively, the second electric cylinder is horizontally disposed on output ends of the two fourth electric cylinders, a second U-shaped plate is disposed on the sliding table of the second electric cylinder, the second polisher is disposed on the second U-shaped plate, and output ends of the second polisher are disposed vertically downward.

In a preferred embodiment of the present invention, the up-down swinging assembly includes a swinging motor, a first gear and a bearing plate, wherein two rotating shafts are respectively disposed on two sides of the bearing plate, two hinge seats disposed at an interval are disposed at an edge of the top of the supporting table, the two rotating shafts are respectively rotatably mounted on the hinge seats, a second gear is disposed on one rotating shaft, the swinging motor is located beside the second gear, the first gear is mounted on the swinging motor, and the first gear is engaged with the second gear.

In a preferred embodiment of the present invention, the air blowing assembly includes two air blowing nozzles, the left and right swinging assembly includes a rotating motor, a driving disc, a linkage rod and a supporting block, the supporting plate is provided with a rotating seat, the bottom of the supporting block is provided with a driving shaft rotatably engaged with the rotating seat, the back of the supporting block is provided with a connecting rod, the top of the supporting block is provided with two clamps for fixing the air blowing nozzles, the rotating motor is located beside the rotating seat, the driving disc is horizontally mounted on the output end of the rotating motor, the middle of the connecting rod and the driving disc are both provided with hinge columns, and two ends of the linkage rod are respectively hinged to the two hinge columns.

The invention provides a grinding device for a casting part of an automobile cylinder cover, which has the following improvements and advantages compared with the prior art by improving the grinding device: the cylinder head casting is firstly loaded on the turntable through the loading device, then four sides of the cylinder head casting are fixed through four positioning mechanisms, then the turntable is driven by a servo motor to carry out progressive and uniform rotation, when the first-step polishing operation is carried out, the mounting box is pushed to move towards the turntable by pushing the air cylinder, and then the bottom of the cylinder head casting is polished to be flat by driving the first polisher through the cooperation of the lifting air cylinder, the screw rod sliding table and the first air cylinder; when the second-step polishing operation is carried out, the second cylinder, the two third cylinders and the two fourth cylinders work simultaneously to realize the three-axial movement of the second polisher, and the second polisher can polish all the groove walls on the cylinder cover casting smoothly; when the third step of chip cleaning operation is carried out, the swinging motor drives the bearing plate to swing up and down, the rotating motor drives the supporting block to swing left and right, so that the two air blowing nozzles can freely swing up and down and left and right, the chips on the cylinder cover casting can be blown away, and the chips can finally fall into the accommodating groove.

Drawings

The invention is further explained below with reference to the figures and examples:

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic perspective view of the rotating mechanism;

FIG. 3 is an enlarged view taken at A in FIG. 2;

FIG. 4 is a schematic perspective view of the feeding device;

FIG. 5 is a side view of the loading device;

FIG. 6 is a schematic perspective view of a first grinding mechanism;

FIG. 7 is an enlarged view at B in FIG. 6;

FIG. 8 is a schematic perspective view of a second grinding mechanism;

FIG. 9 is a first schematic perspective view of the blowing device;

FIG. 10 is a schematic perspective view of a second blowing device;

description of reference numerals:

a rotating mechanism 1, a rotating platform 1a, a rotating disk 1b, a holding tank 1c, a feeding mechanism 2, a mounting rack 2a, a mounting seat 2a1, a rotating component 2b, a rotating motor 2b1, a connecting disk 2b2, a lifting component 2c, a winding drum 2c1, a steel wire rope 2c2, a discharging motor 2c3, a clamping jaw piece 2c4, a first chain wheel 2c5, a second chain wheel 2c6, a fixed pulley 2c7, a first grinding mechanism 3, a mounting box 3a, a guide seat 3a1, a pushing cylinder 3b, a lifting cylinder 3c, a first L-shaped plate 3d, a guide rod 3d1, a window 3d2, a second L-shaped plate 3e, a first electric cylinder 3f, a first U-shaped plate 3f1, a screw rod sliding table 3g, a first grinder 3h, a sliding seat 3i, a second grinding mechanism 4, a vertical frame 4a, a second electric cylinder 4b, a second U-shaped plate 854 c, a third grinding mechanism 894 d, the device comprises a fourth electric cylinder 4e, an air blowing mechanism 5, a support table 5a, a hinged seat 5a1, an air blowing assembly 5b, an air blowing nozzle 5b1, an up-and-down swinging assembly 5c, a swinging motor 5c1, a first gear 5c2, a bearing plate 5c3, a rotating seat 5c4, a rotating shaft 5c5, a second gear 5c6, a left-and-right swinging assembly 5d, a rotating motor 5d1, a driving disc 5d2, a linkage rod 5d3, a supporting block 5d4, a hoop 5d5, a driving shaft 5d6, a connecting rod 5d7, a hinged column 5d8, a positioning mechanism 6, a fixing block 6a, a fixing seat 6a1, a sliding groove 6a2, a second clamping hole 6a3, a rotating handle 6c, a bolt 6d and a positioning piece 6 e.

Detailed Description

The present invention will be described in detail with reference to fig. 1 to 10, and the technical solutions in the embodiments of the present invention will be clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides a grinding device for an automobile cylinder head casting through improvement, as shown in figures 1-10, the grinding device comprises a rotating mechanism 1, a feeding mechanism 2, a first grinding mechanism 3, a second grinding mechanism 4 and a blowing mechanism 5 are sequentially arranged around the rotating mechanism 1, four positioning mechanisms 6 for positioning the cylinder head casting are arranged on the rotating mechanism 1, the feeding mechanism 2 comprises a mounting frame 2a, a rotating component 2b and a lifting component 2c, the rotating component 2b is arranged in the ground, the mounting frame 2a is arranged on the rotating component 2b, the lifting component 2c is arranged on the mounting frame 2a, the blowing mechanism 5 comprises a supporting table 5a, a blowing component 5b, an up-down swinging component 5c and a left-right swinging component 5d, the up-down swinging component 5c is arranged on the top of the supporting table 5a, the left-right swinging component 5d is arranged on the up-down swinging component 5c, and the air blowing component 5b is arranged on the left-right swinging component 5 d.

The working principle of the invention is as follows: firstly, the cylinder head casting is hung on a rotating mechanism 1 through a lifting component 2c and a rotating component 2b, four edges of the cylinder head casting are fixed through four positioning mechanisms 6, the rotating mechanism 1 works to drive the cylinder head casting to rotate, and when the first-step grinding operation is carried out, a first grinding mechanism 3 carries out grinding operation on the bottom of the cylinder head casting; when the second step of grinding operation is carried out, the second grinding mechanism 4 carries out fine grinding operation on all groove walls on the cylinder head casting; when the third step of chip cleaning operation is carried out, the up-and-down swinging assembly 5c is matched with the left-and-right swinging assembly 5d to enable the air blowing assembly 5b to swing up, down, left and right, so that the air blowing range of the air blowing assembly 5b is too high, the air blowing assembly 5b blows away chips on the cylinder head casting, and finally the lifting assembly 2c is matched with the rotating assembly 2b to lift the processed cylinder head casting from the rotating mechanism 1.

The rotating mechanism 1 comprises a rotating table 1a, a rotating table 1b and a servo motor for driving the rotating table 1b to rotate, the servo motor is vertically arranged in the rotating table 1a, the output end of the servo motor penetrates through the rotating table 1a, the rotating table 1b is arranged at the output end of the servo motor, an annular accommodating groove 1c is formed in the rotating table 1a, and each positioning mechanism 6 is fixed on the rotating table 1 b; servo motor drive carousel 1b rotates, and carousel 1b drives the cylinder head casting and carries out synchronous rotation, and holding tank 1c can collect the piece that is blown down by gas blowing component 5 b.

The positioning mechanism 6 comprises an L-shaped fixing block 6a, a screw rod, a rotating handle 6c and a positioning piece 6e, the fixed block 6a is arranged on the rotary table 1b, one end of the fixed block 6a is provided with a fixed seat 6a1, a bearing is arranged in the fixed seat 6a1, one end of the screw rod is rotatably arranged on the fixed block 6a, the other end of the screw rod is connected on the bearing, a threaded hole matched with the screw rod is arranged on the positioning piece 6e, the bottom of the positioning piece 6e is provided with two first sliding blocks which are symmetrically arranged, the fixed block 6a is provided with two sliding grooves 6a2 which are in sliding fit with the first sliding blocks, the rotating handle 6c is arranged on the screw rod, a first clamping hole is arranged on the rotating handle 6c, a bolt 6d is arranged in the first clamping hole, the fixed block 6a is provided with a plurality of second clamping holes 6a3 which are uniformly distributed along the circumferential direction of the rotating handle 6 c; when the cylinder cover casting is lifted to the rotary table 1b, the screw rod is rotated through the rotating handle 6c, the screw rod drives the positioning piece 6e to move, the positioning piece 6e fixes the edge of the cylinder cover casting, so that the cylinder cover casting is prevented from deviating in rotation, and finally the bolt 6d is inserted into the first clamping hole and the corresponding second clamping hole 6a3 to fix the rotating handle 6 c.

The rotating assembly 2b comprises a rotating motor 2b1 and a connecting disc 2b2, the rotating motor 2b1 is vertically installed in the ground, the connecting disc 2b2 is installed on the output end of the rotating motor 2b1, and the connecting disc 2b2 is fixedly connected with the mounting frame 2a through bolts; the rotary motor 2b1 drives the connecting disc 2b2 to rotate, and the connecting disc 2b2 drives the mounting frame 2a to rotate.

The lifting and hanging assembly 2c comprises a winding drum 2c1, a steel wire rope 2c2, a feeding motor 2c3 and a clamping jaw piece 2c4, wherein a mounting seat 2a1 is arranged at the lower part of the mounting seat 2a, the winding drum 2c1 is rotatably mounted on the mounting seat 2a1, a first chain wheel 2c5 coaxial with the winding drum 2c1 is arranged at one end of the winding drum 2c1, the feeding motor 2c3 is positioned beside the mounting seat 2a1, a second chain wheel 2c6 is arranged at the output end of the feeding motor 2c3, the first chain wheel 2c5 is connected with the second chain wheel 2c6 through chain transmission, fixed pulleys 2c 8 are arranged on the side wall and the top of the mounting seat 6862 a, one end of a steel wire rope 2c2 is connected to the winding drum 2c1, and the other end of the steel wire rope is sequentially wound on the two fixed pulleys 2c7 and is finally connected; the emptying motor 2c3 drives the second chain wheel 2c6 to rotate, the second chain wheel 2c6 drives the first chain wheel 2c5 to rotate through a chain, the first chain wheel 2c5 drives the winding drum 2c1 to rotate, and the winding drum 2c1 can wind or pay out the steel wire rope 2c2, so that the claw piece 2c4 ascends or descends.

The first polishing mechanism 3 comprises a mounting box 3a with an upward opening, a pushing cylinder 3b, a lifting cylinder 3c, a first L-shaped plate 3d, a second L-shaped plate 3e, a first electric cylinder 3f, a lead screw sliding table 3g and a first polishing device 3h, wherein the lifting cylinder 3c is vertically mounted in the mounting box 3a, the first L-shaped plate 3d is connected with the output end of the lifting cylinder 3c, the lead screw sliding table 3g is mounted on the first L-shaped plate 3d, four guide rods 3d1 which are distributed in a rectangular shape are arranged at the bottom of the first L-shaped plate 3d, four guide bases 3a1 which are in one-to-one sliding fit with the four guide rods 3d1 are arranged in the mounting box 3a, the lead screw sliding table 3g is mounted on the first L-shaped plate 3d, a window 3d2 which is matched with the lead screw sliding table 3g is arranged on the first L-shaped plate 3d, and the first electric cylinder 3f is horizontally mounted on the sliding table of the sliding table, a first U-shaped plate 3f1 is mounted on a sliding table of the first electric cylinder 3f, the first sander 3h is mounted on the first U-shaped plate 3f1, the output end of the first sander 3h is vertically arranged downwards, the second L-shaped plate 3e is mounted on the ground, the mounting box 3a is located beside the second L-shaped plate 3e, the pushing cylinder 3b is mounted on the second L-shaped plate 3e, the output end of the pushing cylinder 3b is connected with the side wall of the mounting box 3a, two second sliding blocks which are symmetrically arranged are arranged at the bottom of the mounting box 3a, and two sliding seats 3i which are in one-to-one sliding fit with the two second sliding blocks are arranged on the ground; the push cylinder 3b can push the mounting box 3a to remove to revolving stage 1a, meanwhile, lift cylinder 3c drive first L template 3d and lead screw slip table 3g rise in step, lift cylinder 3c drives first L template 3d and lead screw slip table 3g synchronous decline again afterwards and conflicts on the cylinder head casting until the output of first sander 3h, later first electric jar 3f and lead screw slip table 3g cooperation let first sander 3h grind the flat operation to the whole bottom of cylinder head casting.

The second grinding mechanism 4 comprises a vertical frame 4a, a second electric cylinder 4b, a second grinder 4c, two third electric cylinders 4d and two fourth electric cylinders 4e, wherein the two third electric cylinders 4d are vertically arranged on the vertical frame 4a at intervals, a third L-shaped plate 4d1 is arranged on a sliding table of each third electric cylinder 4d, the two fourth electric cylinders 4e are respectively horizontally arranged on the two third L-shaped plates 4d1, the second electric cylinder 4b is horizontally arranged at the output ends of the two fourth electric cylinders 4e, a second U-shaped plate 4b1 is arranged on the sliding table of the second electric cylinder 4b, the second grinder 4c is arranged on the second U-shaped plate 4b1, and the output end of the second grinder 4c is arranged downwards; the second electric cylinder 4b, the two third electric cylinders 4d and the two fourth electric cylinders 4e work simultaneously to realize the three-axial movement of the second sander 4c, and the second sander 4c can smooth all groove walls on the cylinder head casting.

The up-down swinging assembly 5c comprises a swinging motor 5c1, a first gear 5c2 and a bearing plate 5c3, wherein two rotating shafts 5c5 are arranged on two sides of the bearing plate 5c3, two hinged seats 5a1 arranged at intervals are arranged at the edge of the top of the supporting table 5a, the two rotating shafts 5c5 are respectively rotatably installed on the hinged seats 5a1, a second gear 5c6 is arranged on one rotating shaft 5c5, the swinging motor 5c1 is located at the side of the second gear 5c6, the first gear 5c2 is installed on the swinging motor 5c1, and the first gear 2 is meshed with the second gear 5c 6; the swing motor 5c1 drives the first gear 5c2 to rotate back and forth at a certain angle, the first gear 5c2 drives the second gear 5c6 to rotate synchronously, and the second gear 5c6 drives the bearing plate 5c3 to swing around the axis of the rotating shaft 5c5, so that the blowing assembly 5b can swing up and down.

The blowing assembly 5b comprises two blowing nozzles 5b1, the left-right swinging assembly 5d comprises a rotating motor 5d1, a driving disk 5d2, a linkage rod 5d3 and a supporting block 5d4, a rotating seat 5c4 is arranged on the bearing plate 5c3, a driving shaft 5d6 which is in rotating fit with the rotating seat 5c4 is arranged at the bottom of the supporting block 5d4, a connecting rod 5d7 is arranged at the back of the supporting block 5d4, two clamping hoops 5d5 for fixing the blowing nozzles 5b1 are arranged at the top of the supporting block 5d4, the rotating motor 5d1 is positioned at the side of the rotating seat 5c4, the driving disk 5d2 is horizontally arranged at the output end of the rotating motor 5d1, hinged columns 5d8 are arranged at the middle of the connecting rod 5d7 and on the driving disk 5d2, and two ends of the linkage rod 5d3 are respectively hinged on the two hinged columns 5d 8; firstly, two blowing nozzles 5b1 are connected to a designated device through a connecting pipe, then a rotating motor 5d1 drives a driving disc 5d2 to rotate, the driving disc 5d2 drives one end of a linkage rod 5d3 to move along with the rotation of the driving disc 5d2, the other end of the linkage rod 5d3 drives a connecting rod 5d7 to swing, the connecting rod 5d7 drives a supporting block 5d4 and two blowing nozzles 5b1 to synchronously rotate, so that the two blowing nozzles 5b1 can swing up and down and left and right, and further, the automatic cleaning of chips at the bottom of a cylinder head casting piece is realized.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a grinding device of car cylinder head casting spare which characterized in that: comprises a rotating mechanism (1), a feeding mechanism (2), a first grinding mechanism (3), a second grinding mechanism (4) and a blowing mechanism (5) are sequentially arranged around the rotating mechanism (1), four positioning mechanisms (6) used for positioning a cylinder head casting part are arranged on the rotating mechanism (1), the feeding mechanism (2) comprises a mounting rack (2 a), a rotating assembly (2 b) and a lifting assembly (2 c), the rotating assembly (2 b) is arranged in the ground, the mounting rack (2 a) is arranged on the rotating assembly (2 b), the lifting assembly (2 c) is arranged on the mounting rack (2 a), the blowing mechanism (5) comprises a supporting platform (5 a), a blowing assembly (5 b), an up-down swinging assembly (5 c) and a left-right swinging assembly (5 d), the up-down swinging assembly (5 c) is arranged at the top of the supporting platform (5 a), the left-right swinging component (5 d) is arranged on the up-down swinging component (5 c), and the air blowing component (5 b) is arranged on the left-right swinging component (5 d);

the first polishing mechanism (3) comprises a mounting box (3 a) with an upward opening, a pushing cylinder (3 b), a lifting cylinder (3 c), a first L-shaped plate (3 d), a second L-shaped plate (3 e), a first electric cylinder (3 f), a lead screw sliding table (3 g) and a first polishing device (3 h), wherein the lifting cylinder (3 c) is vertically mounted in the mounting box (3 a), the first L-shaped plate (3 d) is connected with the output end of the lifting cylinder (3 c), four guide rods (3 d 1) distributed in a rectangular shape are arranged at the bottom of the first L-shaped plate (3 d), four guide seats (3 a 1) which are in one-to-one sliding fit with the four guide rods (3 d 1) are arranged in the mounting box (3 a), the lead screw sliding table (3 g) is mounted on the first L-shaped plate (3 d), and a window (3 d 2) matched with the lead screw sliding table (3 g) is arranged on the first L-shaped plate (3 d), first electric jar (3 f) horizontal installation is on the slip table of lead screw slip table (3 g), install first U template (3 f 1) on the slip table of first electric jar (3 f), first sander (3 h) are installed on first U template (3 f 1) to the vertical setting down of output of first sander (3 h), second L template (3 e) are installed subaerial, mounting box (3 a) are located the side of second L template (3 e), promote cylinder (3 b) and install on second L template (3 e) to the output that promotes cylinder (3 b) is connected with the lateral wall of mounting box (3 a), the bottom of mounting box (3 a) is equipped with two second sliders that are the symmetry and set up, subaerial be equipped with two second sliders sliding fit's slide (3 i) one by one.

2. The grinding device for the casting of the cylinder head of the automobile as claimed in claim 1, wherein: rotary mechanism (1) carries out pivoted servo motor including revolving stage (1 a), carousel (1 b) and drive carousel (1 b), servo motor is vertical to be installed in revolving stage (1 a) to servo motor's output runs through revolving stage (1 a), install on servo motor's output carousel (1 b), seted up on revolving stage (1 a) and be annular holding tank (1 c), every positioning mechanism (6) are all fixed on carousel (1 b).

3. The grinding device for the casting of the cylinder head of the automobile as claimed in claim 2, wherein: positioning mechanism (6) is including fixed block (6 a), lead screw, turning handle (6 c) and setting element (6 e) that are the L type, install on carousel (1 b) fixed block (6 a), the one end of fixed block (6 a) is equipped with fixing base (6 a 1), is equipped with the bearing in fixing base (6 a 1), the one end of lead screw is rotated and is installed on fixed block (6 a), and the other end is connected on the bearing, set up on setting element (6 e) with lead screw complex screw hole, the bottom of setting element (6 e) is equipped with the first slider that two symmetries set up, set up on fixed block (6 a) two with first slider sliding fit's spout (6 a 2), turning handle (6 c) are installed on the lead screw, set up first block hole on turning handle (6 c), be equipped with bolt (6 d) in the first block hole, set up a plurality of along turning handle (6 c) circumference evenly distributed's second card on fixed block (6 a) And (6 a 3).

4. The grinding device for the casting of the cylinder head of the automobile as claimed in claim 1, wherein: rotating assembly (2 b) is including rotating motor (2 b 1) and connection pad (2 b 2), rotating motor (2 b 1) is vertical installation in the ground, connection pad (2 b 2) are installed on the output of rotating motor (2 b 1), connection pad (2 b 2) pass through bolt and mounting bracket (2 a) fixed connection.

5. The grinding device for the casting of the cylinder head of the automobile as claimed in claim 4, wherein: the lifting component (2 c) comprises a winding drum (2 c 1), a steel wire rope (2 c 2), a feeding motor (2 c 3) and a clamping jaw piece (2 c 4), the lower part of the mounting rack (2 a) is provided with a mounting seat (2 a 1), the winding drum (2 c 1) is rotatably mounted on the mounting seat (2 a 1), one end of the winding drum (2 c 1) is provided with a first chain wheel (2 c 5) coaxial with the winding drum, the emptying motor (2 c 3) is positioned beside the mounting seat (2 a 1), the output end of the emptying motor (2 c 3) is provided with a second chain wheel (2 c 6), the first chain wheel (2 c 5) is connected with the second chain wheel (2 c 6) through a chain transmission, the lateral wall and the top of mounting bracket (2 a) all are equipped with fixed pulley (2 c 7), and the one end of wire rope (2 c 2) is connected on reel (2 c 1), and the other end winds in proper order and connects on two fixed pulley (2 c 7) and finally is connected with clamping jaw spare (2 c 4).

6. The grinding device for the casting of the cylinder head of the automobile as claimed in claim 1, wherein: second grinding machanism (4) include grudging post (4 a), second electric jar (4 b), second sander (4 c), two third electric jars (4 d) and two fourth electric jars (4 e), two third electric jars (4 d) intervals and be vertical setting on grudging post (4 a), all be equipped with third L template (4 d 1) on the slip table of every third electric jar (4 d), two fourth electric jars (4 e) are horizontal installation respectively on two third L templates (4 d 1), second electric jar (4 b) are horizontal installation on the output of two fourth electric jars (4 e), install second U template (4 b 1) on the slip table of second electric jar (4 b), second sander (4 c) are installed on second U template (4 b 1) to the output of second sander (4 c) sets up vertically down.

7. The grinding device for the casting of the cylinder head of the automobile as claimed in claim 1, wherein: the up-and-down swinging assembly (5 c) comprises a swinging motor (5 c 1), a first gear (5 c 2) and a bearing plate (5 c 3), the two sides of the bearing plate (5 c 3) are respectively provided with a rotating shaft (5 c 5), the edge of the top of the supporting table (5 a) is provided with two hinged seats (5 a 1) arranged at intervals, the two rotating shafts (5 c 5) are respectively rotatably installed on the hinged seats (5 a 1), a rotating shaft (5 c 5) is provided with a second gear (5 c 6), the swinging motor (5 c 1) is positioned at the side of the second gear (5 c 6), the first gear (5 c 2) is installed on the swinging motor (5 c 1), and the first gear (5 c 2) is meshed with the second gear (5 c 6).

8. The grinding device for the casting of the cylinder head of the automobile as claimed in claim 7, wherein: the blowing assembly (5 b) comprises two blowing nozzles (5 b 1), the left-right swinging assembly (5 d) comprises a rotating motor (5 d 1), a driving disk (5 d 2), a linkage rod (5 d 3) and a supporting block (5 d 4), a rotating seat (5 c 4) is arranged on the supporting plate (5 c 3), a driving shaft (5 d 6) in rotating fit with the rotating seat (5 c 4) is arranged at the bottom of the supporting block (5 d 4), a connecting rod (5 d 7) is arranged at the back of the supporting block (5 d 4), two clamps (5 d 5) used for fixing the blowing nozzles (5 b 1) are arranged at the top of the supporting block (5 d 4), the rotating motor (5 d 1) is located beside the rotating seat (5 c 4), the driving disk (5 d 2) is horizontally arranged at the output end of the rotating motor (5 d 1), and the middle of the connecting rod (5 d 7) and the driving disk (5 d 2) are both provided with a driving disk column (8 d 9634), two ends of the linkage rod (5 d 3) are respectively hinged on the two hinge columns (5 d 8).