CN216327248U

CN216327248U - Grinding device for machining of mechanical engineering parts

Info

Publication number: CN216327248U
Application number: CN202122462489.2U
Authority: CN
Inventors: 王多智; 尤亮
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-10-12
Filing date: 2021-10-12
Publication date: 2022-04-19
Anticipated expiration: 2031-10-12

Abstract

The application discloses a polishing device for machining of mechanical engineering parts, which comprises a polishing table and a height adjusting mechanism, wherein four corners of the bottom end of the outer wall of the polishing table are respectively and fixedly connected with the top ends of supporting legs, and the top end of the outer wall of the polishing table is fixedly connected with the bottom end of the outer wall of a shell; the height adjusting mechanism comprises a protective cover, the top end of the protective cover is fixedly connected with the top end of the polishing table, a first motor is fixedly connected with the center of the bottom end of the inner wall of the protective cover, and a driving wheel is fixedly sleeved at the output end of the first motor. Drive the action wheel through first motor output and rotate, rotate with two connection gears of action wheel meshing complex thereupon, and connect two of gear meshing complex from the driving wheel thereupon and rotate, two drive the driven shaft respectively from the driving wheel and rotate, two driven shafts drive the threaded rod respectively and rotate, restrict each other with two L templates of threaded rod screw-thread fit, drive jointly and place the altitude mixture control that the board realized vertical direction to the convenience is adjusted according to the demand of polishing of concrete part and is placed the board and locate the height.

Description

Grinding device for machining of mechanical engineering parts

Technical Field

The application relates to the field of mechanical engineering, in particular to a polishing device for machining of mechanical engineering parts.

Background

Most of mechanical assembly parts used in the existing mechanical engineering are formed by die casting, and the surfaces of the formed parts have granular protrusions which are very uneven, so that the surfaces of the parts need to be polished in the machining process.

The distance between the grinding stone and the grinding piece can not be adjusted according to the actual grinding requirement by the existing grinding device, so that the practicability of the grinding device is not strong, cold water is needed to be used for cooling in the grinding process, and the cold water is difficult to collect in a centralized manner after being sprayed, so that water resource waste is easily caused. Therefore, a grinding device for machining mechanical engineering parts is provided aiming at the problems.

Disclosure of Invention

The grinding device for machining mechanical engineering parts is provided in this embodiment and is used for solving the problem that the distance between a grinding stone and a grinding piece cannot be adjusted according to the actual grinding requirement in the prior art.

According to one aspect of the application, the polishing device for machining the mechanical engineering parts comprises a polishing table and a height adjusting mechanism, wherein four corners of the bottom end of the outer wall of the polishing table are respectively and fixedly connected with the top ends of supporting legs, and the top end of the outer wall of the polishing table is fixedly connected with the bottom end of the outer wall of a shell;

height adjusting mechanism includes the safety cover, safety cover top fixed connection platform top of polishing, the first motor of safety cover inner wall bottom center department fixed connection, the fixed action wheel that cup joints of first motor output, action wheel left and right sides meshes cooperation connection gear one side, two respectively one side that the action wheel was kept away from to the connection gear meshes the cooperation respectively from the driving wheel, two from the driving wheel respectively fixed cup joint at the driven shaft outer wall, two the driven shaft bottom is rotated respectively and is connected safety cover inner wall bottom left and right sides, two driven shaft top fixed connection threaded rod bottom respectively, two the threaded rod top is rotated respectively and is connected the platform outer wall bottom left and right sides of polishing.

Further, the baffle has been inlayed to casing outer wall front side, the baffle top is rotated and is connected casing front side lateral wall, the observation window has been inlayed to baffle center department.

Further, a third motor is embedded in the center of the top end of the inner wall of the shell, and the output end of the third motor is fixedly connected with the center of the top end of the polishing stone.

Furthermore, the outer walls of the two threaded rods are respectively in threaded sleeve joint with an L-shaped plate, the top ends of the two L-shaped plates are respectively in sliding sleeve joint and penetrate through the polishing platform, the top ends of the two L-shaped plates are respectively fixedly connected with the center of the bottom end of the placing plate,

further, place board top fixed connection bounding wall bottom, it has a plurality of infiltration holes evenly to inlay on the board top to place, it is a plurality of the board inner chamber is placed in infiltration hole intercommunication.

Further, place the board inner chamber left and right sides and communicate elasticity pipe one end, two respectively the elasticity pipe other end communicates respectively and concentrates tub one end, two concentrate the tub other end and communicate respectively and lead to groove one end, two lead to the groove respectively vertically inlay in the platform lateral wall of polishing, two lead to the groove other end and communicate water tank inner chamber, two respectively water tank outer wall fixed connection platform outer wall bottom of polishing.

Further, place inboard wall top center department fixed connection second motor, second motor output fixed connection even board center department, even both ends respectively fixed connection scraper blade one side about the board, just even board bottom sliding connection places inboard wall bottom, two one side that the scraper blade kept away from even board is sliding connection respectively places the inboard cavity lateral wall.

Furthermore, the center of the left side and the center of the enclosing plate are respectively rotated to be sleeved with and penetrate through the cavity shafts, one ends of the cavity shafts, which are far away from each other, are respectively fixedly connected with the center of one side of the turntable, one ends of the cavity shafts, which are close to each other, are respectively in threaded sleeve connection with one ends of the limiting screws, and one ends of the limiting screws, which are far away from the cavity shafts, are respectively fixedly connected with the center of one side of the arc-shaped clamping plate.

Further, two one side top and the bottom that the arc splint kept away from each other are fixed connection limiting plate one end respectively, and are two sets of the limiting plate other end slides respectively and cup joints the gag lever post, and are two sets of the one end that the gag lever post kept away from each other is fixed connection bounding wall inner wall left and right sides respectively.

Further, place the board and be the column structure, just place the board inner chamber and be the column.

Through the above-mentioned embodiment of this application, adopted high adjustment mechanism, solved and can't adjust the problem of the distance between stone and the piece of polishing according to the demand of polishing in fact, improved grinding device's practicality.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic overall perspective view of an embodiment of the present application;

FIG. 2 is a schematic diagram of the overall internal structure of an embodiment of the present application;

FIG. 3 is an enlarged view of a portion of the structure of FIG. 2 according to an embodiment of the present disclosure;

fig. 4 is a schematic perspective view of a placement board according to an embodiment of the present application.

In the figure: 1. a polishing table; 2. an L-shaped plate; 3. a threaded rod; 4. a connecting gear; 5. a driving wheel; 6. a first motor; 7. a driven shaft; 8. a driven wheel; 9. a protective cover; 10. supporting legs; 11. a water tank; 12. a through groove; 13. a concentration pipe; 14. an elastic tube; 15. a housing; 16. a second motor; 17. a third motor; 18. grinding stone; 19. enclosing plates; 20. connecting plates; 21. a squeegee; 22. placing the plate; 23. a water seepage hole; 24. a turntable; 25. a cavity shaft; 26. an observation window; 27. an arc-shaped splint; 28. a limiting plate; 29. a limiting rod; 30. a limit screw; 31. and a baffle plate.

Detailed Description

In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but 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 application.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

The height adjusting mechanism in the present embodiment can be applied to various grinding apparatuses, for example, the following grinding apparatus is provided in the present embodiment, and the height adjusting mechanism in the present embodiment can be used to perform height adjustment of the following grinding apparatus.

The polishing device comprises a clamping mechanism, wherein the bottom of the clamping mechanism is fixedly connected with a supporting mechanism, and the top of the supporting mechanism is fixedly connected with a polishing mechanism; the clamping mechanism comprises a baffle, a fixed block, a screw rod, a clamping block, a twisting block, a polishing table and a water falling hole, wherein the fixed block is fixedly connected to the outer surface of the baffle and plays a role in fixing internal components; the supporting mechanism comprises a supporting table, a boss, a water hole, a supporting leg, a water tank, a water outlet pipe, a filter screen, a water pump, a cooling water pipe and a circulating suction port, the boss is fixedly connected to the top of the supporting table, the boss is as high as the polishing table and is helpful for placing parts, the water hole is formed in the outer surface of the boss and is communicated with the water tank, the collection of cooling liquid is facilitated by the water hole, the supporting leg is fixedly connected to the four corners of the bottom of the supporting table and is used for supporting an upper component, the water tank is fixedly connected to the bottom of the supporting table and is used for collecting and filtering the cooling liquid, the water outlet pipe is fixedly connected to one side of the water tank, when the water tank is full, the water outlet pipe can be used for discharging, the filter screen is inserted into one side of the water tank, when impurities exist in the cooling water, the impurities can be separated from the cooling water through the filter screen, the handle is arranged on the outer surface of the filter screen, and the water pump is fixedly connected to the bottom of the supporting table, the suction end fixedly connected with circulation suction inlet of water pump, the water pump is through the circulation suction inlet of fixed connection at its suction end and water tank fixed connection, and after impurity and cooling water separation, the water pump is through circulating suction inlet again with the water suction utilization in the water tank, the output fixedly connected with condenser tube of water pump. According to a preferred technical scheme, the top of the supporting table is fixedly connected with a polishing mechanism, the polishing mechanism comprises a hydraulic cylinder, an adjusting platform, a motor and a polishing piece, the top of the hydraulic cylinder is fixedly connected with the adjusting platform, the gravity of a supporting member of the adjusting platform is adjusted, the motor is fixedly connected to the center of the bottom of the adjusting platform and provides power, the output end of the motor is fixedly connected with the polishing piece, and the polishing piece is driven by the motor to polish the parts. As a preferred technical scheme of the utility model, the number of the hydraulic cylinders is four, and the four hydraulic cylinders are respectively and fixedly connected to four corners of the top of the support table. As a preferable technical solution of the present invention, the number of the fixture blocks is plural, and the plural fixture blocks are circularly arrayed inside the baffle. As a preferred technical scheme of the utility model, the water outlet pipe is provided with a valve, and the collection and discharge of the waste water in the water tank can be controlled by arranging the valve. As a preferred technical scheme, the thickness of the grinding table is equal to the height of the boss, and the diameter of the water falling hole is larger than that of the boss, so that the flatness of the platform is guaranteed, and cooling liquid is convenient to collect.

Of course, the embodiment can also be used for grinding devices with other structures for height adjustment. The description is omitted, and the polishing device according to the embodiment of the present application is described below.

Referring to fig. 1-4, a polishing device for machining mechanical engineering parts comprises a polishing table 1 and a height adjusting mechanism, wherein four corners of the bottom end of the outer wall of the polishing table 1 are respectively and fixedly connected with the top ends of supporting legs 10, and the top end of the outer wall of the polishing table 1 is fixedly connected with the bottom end of the outer wall of a shell 15;

height adjusting mechanism includes

safety cover

9, 1 top of safety cover 9 top fixed connection platform of polishing, the first motor 6 of safety cover 9 inner wall bottom center department fixed connection, the fixed action wheel 5 that cup joints of first motor 6 output, the action wheel 5 left and right sides meshes cooperation connecting gear 4 one side respectively, two one side that connecting gear 4 kept away from action wheel 5 meshes the cooperation respectively from driving wheel 8, two from driving wheel 8 fixed cup joint respectively at 7 outer walls of driven shaft, two 7 bottoms of driven shaft rotate respectively and connect 9 inner wall bottom left and right sides of safety cover, two 7 tops of driven shaft are fixed connection threaded rod 3 bottoms, two respectively on 3 tops of threaded rod rotate respectively and connect the platform of polishing 1 outer wall bottom left and right sides.

The front side of the outer wall of the shell 15 is embedded with a baffle 31, the top end of the baffle 31 is rotatably connected with the side wall of the front side of the shell 15, the center of the baffle 31 is embedded with an observation window 26 which is convenient for shielding flying chips and observing polishing progress, the center of the top end of the inner wall of the shell 15 is embedded with a third motor 17, the output end of the third motor 17 is fixedly connected with the center of the top end of a polishing stone 18, the polishing stone 18 is driven by the third motor 17 to polish, the outer wall of the two threaded rods 3 is respectively in threaded sleeve connection with an L-shaped plate 2, the top ends of the two L-shaped plates 2 are respectively in sliding sleeve connection and penetrate through a polishing platform 1, the top ends of the two L-shaped plates 2 are respectively fixedly connected with the center of the bottom end of a placing plate 22, the height of the placing plate 22 is driven by the rotation of the threaded rods 3 to adjust, the top end of the placing plate 22 is fixedly connected with the bottom end of a coaming 19, and the top end of the placing plate 22 is evenly embedded with a plurality of water seepage holes 23, the water seepage holes 23 are communicated with the inner cavity of the placing plate 22, so that water flow can conveniently enter the inner cavity of the placing plate 22 in a centralized manner, the left side and the right side of the inner cavity of the placing plate 22 are respectively communicated with one end of the elastic pipe 14, the other ends of the two elastic pipes 14 are respectively communicated with one end of the concentration pipe 13, the other ends of the two concentration pipes 13 are respectively communicated with one end of the through groove 12, the two through grooves 12 are respectively vertically embedded in the side wall of the polishing table 1, the other ends of the two through grooves 12 are respectively communicated with the inner cavity of the water tank 11, the outer wall of the two water tanks 11 is fixedly connected with the bottom end of the outer wall of the polishing table 1, so that the water flow in the inner cavity of the placing plate 22 can be conveniently and intensively input into the water tank 11, the center of the top end of the inner wall of the placing plate 22 is fixedly connected with the second motor 16, the output end of the second motor 16 is fixedly connected with the center of the connecting plate 20, the left end and the right end of the connecting plate 20 are respectively and fixedly connected with one side of the scraper 21, and the bottom end of the inner wall of the placing plate 22 is slidably connected with the bottom end of the connecting plate, one side of the two scraping plates 21, which is far away from the connecting plate 20, is respectively connected with the inner cavity side wall of the placing plate 22 in a sliding manner, so that the inner wall of the placing plate 22 can be conveniently cleaned, the centers of the left side and the right side of the enclosing plate 19 are respectively rotated and sleeved with and penetrate through the cavity shafts 25, the end, which is far away from each other, of the two cavity shafts 25 is respectively fixedly connected with the center of one side of the rotating disc 24, the inner cavity, which is close to each other, of the two cavity shafts 25 is respectively sleeved with one end of a limiting screw 30 in a threaded manner, the end, which is far away from each cavity shaft 25, of the two limiting screw 30 is respectively fixedly connected with the center of one side of the arc-shaped clamping plate 27, so that the movement of the arc-shaped clamping plate 27 can be conveniently adjusted, the top end and the bottom end, which are far away from each other, of the two arc-shaped clamping plates 27 are respectively fixedly connected with one end of the limiting plate 28, the other ends of the two groups of the limiting plates 29 are respectively fixedly connected with the left side and the right side of the inner wall of the enclosing plate 19, the rotation of limiting screw 30, place board 22 and be the column structure, just place board 22 inner chamber and be the column, the scraper blade 21 of being convenient for rotates.

When the utility model is used, electrical components appearing in the application are externally connected with a power supply and a control switch when in use, parts to be processed are placed on the surface of a placing plate 22, the turntables 24 drive a cavity shaft 25 to rotate by rotating the two turntables 24, a limit screw 30 in threaded fit with the cavity shaft 25 drives an arc-shaped clamping plate 27 to horizontally move under the limitation of a limit plate 28 and a limit rod 29, so that the two arc-shaped clamping plates 27 are close to each other until the two arc-shaped clamping plates 27 clamp the parts, thereby facilitating the clamping and fixing of parts with different sizes and facilitating the later polishing operation, when the distance between the parts to be processed and a polishing stone 18 needs to be adjusted, the output end of the first motor 6 drives a driving wheel 5 to rotate by starting the first motor 6, two connecting gears 4 in meshed fit with the driving wheel 5 rotate along with the same, and two driven gears 8 in meshed fit with the connecting gears 4 rotate along with the same, two from driving wheel 8 drive driven shaft 7 respectively and rotate, two driven shafts 7 drive threaded rod 3 respectively and rotate, with two L template 2 mutual restrictions of 3 screw-thread fit of threaded rod, it places the altitude mixture control that board 22 realized vertical direction to drive jointly, thereby conveniently adjust the height of placing board 22 and locating according to the demand of polishing of concrete part, when needs spray the cooling to the part of polishing, rivers can be sheltered from by bounding wall 19 thereby avoid breaking away from and place board 22, rivers get into through infiltration hole 23 and place board 22 inner chamber, rethread elastic tube 14 flows into logical groove 12, get into water tank 11 through logical groove 12 at last, accomplish the unified collection of rivers, and through starting second motor 16, second motor 16 drives even board 20 and scraper blade 21 simultaneously and rotates, make even ability realization of even one side of even board 20 and scraper blade 21 being close to placing board 22 inner wall to place scraping of board 22 inner wall, the dander that the process of avoiding polishing produced is attached to placing board 22 inner wall after getting into and placing board 22 inner chamber along with rivers The inside of the placing plate 22 is ensured to be clean, and the fine dusts can be conveniently conveyed into the water tank 11 along with the water flow to be collected.

The application has the advantages that:

1. the clamping device is simple in operation, the rotary tables drive the cavity shaft to rotate by rotating the two rotary tables, and the limiting screw rod in threaded fit with the cavity shaft drives the arc-shaped clamping plates to horizontally move under the limitation of the limiting plate and the limiting rod, so that the two arc-shaped clamping plates are close to each other until the two arc-shaped clamping plates clamp parts, and therefore parts with different sizes can be clamped and fixed conveniently, and later-stage polishing operation is facilitated;

2. the vertical height adjusting device is reasonable in structure, the output end of the first motor drives the driving wheel to rotate by starting the first motor, the two connecting gears meshed and matched with the driving wheel rotate along with the driving wheel, the two driven wheels meshed and matched with the connecting gears rotate along with the two driven wheels, the two driven wheels respectively drive the driven shafts to rotate, the two driven shafts respectively drive the threaded rods to rotate, the two L-shaped plates in threaded fit with the threaded rods are mutually limited, and the placing plate is jointly driven to realize height adjustment in the vertical direction, so that the height of the placing plate can be conveniently adjusted according to the polishing requirements of specific parts;

3. when the part of polishing is cooled down when needs spray, thereby rivers can be sheltered from by the bounding wall and avoid breaking away from and place the board, rivers get into through the infiltration hole and place the board inner chamber, the logical groove is gone into to rethread elasticity duct flow, get into the water tank through leading to the groove at last, accomplish the unified collection of rivers, and through starting the second motor, the second motor drives even board and scraper blade rotation simultaneously, make even board and scraper blade be close to the one side homoenergetic of placing the inboard wall and realize scraping and washing placing the inboard wall, the thin bits that avoid the process of polishing to produce follow rivers and get into and place the inboard inner chamber after attached to placing the inboard wall, the inside cleanness of placing the board has been guaranteed, be convenient for along rivers with the same input water tank completion collection with the thin bits.

It is well within the skill of those in the art to implement, without undue experimentation, the present application is not directed to software and process improvements, as they relate to circuits and electronic components and modules.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The utility model provides a grinding device for machining of mechanical engineering parts which characterized in that: the grinding machine comprises a grinding table (1) and a height adjusting mechanism, four corners of the bottom end of the outer wall of the grinding table (1) are respectively and fixedly connected with the top ends of supporting legs (10), and the top end of the outer wall of the grinding table (1) is fixedly connected with the bottom end of the outer wall of a shell (15);

the height adjusting mechanism comprises a protective cover (9), the top end of the protective cover (9) is fixedly connected with the top end of the polishing platform (1), the center of the bottom end of the inner wall of the protective cover (9) is fixedly connected with a first motor (6), first motor (6) output end is fixed cup joints action wheel (5), action wheel (5) left and right sides meshes cooperation connection gear (4) one side respectively, two one side that action wheel (5) were kept away from in connection gear (4) meshes cooperation respectively from driving wheel (8), two fixed cup joints respectively at driven shaft (7) outer wall from driving wheel (8), two driven shaft (7) bottom is rotated respectively and is connected safety cover (9) inner wall bottom left and right sides, two driven shaft (7) top is fixed connection threaded rod (3) bottom respectively, two threaded rod (3) top is rotated respectively and is connected the platform of polishing (1) outer wall bottom left and right sides.

2. The grinding device for machining of mechanical engineering parts according to claim 1, characterized in that: baffle (31) have been inlayed to casing (15) outer wall front side, baffle (31) top is rotated and is connected casing (15) front side lateral wall, observation window (26) have been inlayed to baffle (31) center department.

3. The grinding device for machining of mechanical engineering parts according to claim 1, characterized in that: the center of the top end of the inner wall of the shell (15) is embedded with a third motor (17), and the output end of the third motor (17) is fixedly connected with the center of the top end of a grinding stone (18).

4. The grinding device for machining of mechanical engineering parts according to claim 1, characterized in that: two threaded rod (3) outer wall is threaded socket L template (2) respectively, two L template (2) top slides respectively and cup joints and runs through platform (1) of polishing, two board (22) bottom center department is placed to L template (2) top fixed connection respectively.

5. The grinding device for machining of mechanical engineering parts according to claim 4, characterized in that: the top end of the placing plate (22) is fixedly connected with the bottom end of the enclosing plate (19), a plurality of water seepage holes (23) are uniformly embedded in the top end of the placing plate (22), and the water seepage holes (23) are communicated with the inner cavity of the placing plate (22).

6. The grinding device for machining of mechanical engineering parts according to claim 4, characterized in that: place board (22) inner chamber left and right sides and communicate elasticity pipe (14) one end respectively, two elasticity pipe (14) other end communicates respectively and concentrates pipe (13) one end, two concentrate pipe (13) other end and communicate respectively and lead to groove (12) one end, two lead to groove (12) respectively vertical inlay in platform (1) lateral wall of polishing, two lead to groove (12) other end and communicate water tank (11) inner chamber respectively, two water tank (11) outer wall fixed connection platform (1) outer wall bottom of polishing.

7. The grinding device for machining of mechanical engineering parts according to claim 4, characterized in that: place board (22) inner wall top center department fixed connection second motor (16), second motor (16) output end fixed connection links board (20) center department, link board (20) left and right sides both ends respectively fixed connection scraper blade (21) one side, just link board (20) bottom sliding connection places board (22) inner wall bottom, two one side that scraper blade (21) kept away from even board (20) sliding connection respectively places board (22) inner chamber lateral wall.

8. The grinding device for machining of mechanical engineering parts according to claim 5, characterized in that: the center of the left side and the right side of the coaming plate (19) is respectively rotated to be sleeved with and run through the cavity shaft (25), two one ends of the cavity shaft (25) which are far away from each other are respectively fixedly connected with the center of one side of the turntable (24) and are respectively sleeved with one end of the inner cavity of one end, close to the cavity shaft (25), of the cavity shaft (25) in a threaded manner, and one end of the limiting screw rod (30) which is far away from the cavity shaft (25) is respectively fixedly connected with the center of one side of the arc-shaped clamping plate (27).

9. The grinding device for machining of mechanical engineering parts according to claim 8, characterized in that: two one side top and bottom that arc splint (27) kept away from each other are fixed connection limiting plate (28) one end respectively, and are two sets of limiting plate (28) other end slides respectively and cup joints gag lever post (29), and is two sets of the one end that gag lever post (29) kept away from each other is fixed connection bounding wall (19) inner wall left and right sides respectively.

10. The grinding device for machining of mechanical engineering parts according to claim 4, characterized in that: the placing plate (22) is of a columnar structure, and the inner cavity of the placing plate (22) is columnar.