CN111216006B - Plastic casing is with automatic equipment of polishing that has multistation regulatory function - Google Patents

Abstract

The invention discloses automatic polishing equipment with a multi-station adjusting function for a plastic shell, and relates to the technical field of automatic polishing equipment for the plastic shell, in particular to a workbench, a moving table, a lifting disc, a supporting frame and a polishing mechanism. This plastics shell is with automatic equipment of polishing that has multistation regulatory function, through all adjusting the structure of the head of polishing and the structure of anchor clamps for whole automatic equipment of polishing efficiency of polishing is higher, and the effect of polishing is also better, can be applicable to the processing of polishing of the various size of volume shells of various forms, and is provided with a plurality of grinding machanisms on this automatic equipment of polishing, so just can accomplish polishing of multistation.

Description

Plastic casing is with automatic equipment of polishing that has multistation regulatory function

Technical Field

The invention relates to the technical field of automatic polishing equipment for plastic shells, in particular to automatic polishing equipment with a multi-station adjusting function for plastic shells.

Background

The plastic shell is a common shell structure, is made of various plastics, is produced by adopting a mould due to extremely strong plastic plasticity, and is polished to ensure smooth surface of the shell so as to ensure smooth surface of the plastic shell, so that the plastic shell can be coated with paint or can better play a role of the plastic shell.

The grinding equipment generally comprises a grinding head, a clamp and a transmission mechanism, and some grinding equipment can be used for realizing grinding processing of various degrees, so that grinding structures of different grinding heads can be selected and replaced.

The equipment of polishing that has now is when polishing the product, is difficult to polish processing to complicated curved surface, when needs conversion angle of polishing, often will drive the head of polishing or anchor clamps carry out angular adjustment, this just leads to polishing for complicated curved surface or inclined plane man-hour, the drive of the head of polishing commentaries on classics mechanism or anchor clamps constructs the action frequently that rotates to change the damage, life shortens greatly, and can't guarantee effectively going on of the stability of work of polishing.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides automatic polishing equipment with a multi-station adjusting function for a plastic shell, and solves the problems in the background art.

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a plastics shell is with automatic equipment of polishing that has multistation regulatory function, includes workstation, mobile station, lifting disk, support frame and grinding machanism, the shift groove has been seted up in the middle of the upper surface of workstation, and the upper surface left and right sides of workstation all is provided with the tooth's socket, the spout has all been seted up to the both sides outer wall of workstation, the mobile station assembly is in the shift groove, and the inside equal spiral of both sides of mobile station has run through the screw rod, the lifting disk settles in the middle inside of mobile station, and the upper surface of lifting disk is the annular hydraulic lifting rod that has evenly worn out, the top of hydraulic lifting rod is connected with the tray, and installs the rotary disk above the middle of tray, the inboard of tooth's socket meshes the gear respectively, and the wheel carrier has been welded to the wheel core top of gear, the footing of support frame all welds the top at the wheel carrier, and the inboard sliding fit of, the grinding mechanisms are uniformly arranged below the control box.

Optionally, the sliding bars are fixed to the outer portions of the two sides of the moving platform at equal distances, and the sliding bars and the shifting grooves are matched in size.

Optionally, the middle of the tray is through, an electrostatic cavity is arranged inside the tray, electrostatic rods are arranged inside the electrostatic cavity at equal intervals, and mesh ring plates are arranged on the upper surface and the lower surface of the electrostatic cavity.

Optionally, a scrap containing net bag is fixed below the tray, the scrap containing net bag is communicated with the net-shaped ring plate, and the hydraulic lifting rods are arranged on the periphery of the scrap containing net bag.

Optionally, a cross groove is formed in the upper surface of the rotating disc, a rotating motor is connected to the bottom shaft end of the rotating disc, foot plates are assembled in the groove of the cross groove, and the foot plates are respectively arranged at four positions of the cross groove.

Optionally, the inside of sole is hollow structure, and the upper surface of sole evenly runs through there is the suction inlet, the bottom of sole is fixed with the slider, and the slider is equallyd divide do not cooperate with the cross slot between the size, the outer end of sole all is connected with the tuber pipe, and the tuber pipe all is linked together with the inner chamber of sole.

Optionally, a wheel shaft is fixed to the axle center of the wheel core of the gear, the wheel shaft penetrates through the sliding groove, a pushing frame is fixed to the end of the wheel shaft, a hydraulic push rod is connected to the rear end of the pushing frame, a hydraulic pushing cylinder is connected to the end of the hydraulic push rod, and the hydraulic pushing cylinders are fixed to two sides of the rear portion of the workbench respectively.

Optionally, the outer wall welding of control box has the cardboard, and the cardboard respectively with between the support frame size cooperate and constitute sliding construction, the hydraulic control jar is installed to one side of support frame, and the expansion end of hydraulic control jar is connected with the hydraulic control pole, be fixed connection between hydraulic control pole and the control box.

Optionally, grinding machanism includes the hollow tube and the ball of polishing, the upper end of hollow tube evenly is fixed with electric putter, and the outer wall of hollow tube evenly bonds and has the trachea, tracheal lower extreme is equallyd divide and is do not connected with pneumatic pull rod, the lower extreme welding of hollow tube has the connecting pipe, and the below of connecting pipe is connected with the rubber tube, the bottom welding of rubber tube has the seal dish, and the upper surface at the seal dish is all connected to the bottom of pneumatic pull rod.

Optionally, a polishing disc is arranged below the sealing disc, a polishing ball is fixed on the lower surface of the polishing disc, a polishing shaft is vertically fixed at the center of the upper surface of the polishing disc, and the polishing shaft penetrates through the center of the sealing disc.

The invention provides automatic polishing equipment with a multi-station adjusting function for a plastic shell, which has the following beneficial effects:

1. this plastics shell is with automatic equipment of polishing that has multistation regulatory function, through all adjusting the structure of the head of polishing and the structure of anchor clamps for whole automatic equipment of polishing efficiency of polishing is higher, and the effect of polishing is also better, can be applicable to the processing of polishing of the various size of volume shells of various forms, and is provided with a plurality of grinding machanisms on this automatic equipment of polishing, so just can accomplish polishing of multistation.

2. This plastic casing is with automatic equipment of polishing that has multistation regulatory function, through the static stick circular telegram of setting in for the static chamber, can produce static, static can adsorb the piece after polishing in netted circle inboard or netted circle inboard outside to can effectively avoid the problem that the piece is scattered all around, flourishing bits string bag is used for accepting the piece through netted circle inboard, makes the piece can obtain effectively collecting, has made things convenient for clastic clearance.

3. This plastic casing is with automatic equipment of polishing that has multistation regulatory function, adjusts the height of tray through hydraulic lifting rod to the shell body of placing on the convenient rotary disk carries out high lift adjustment, and the rotating electrical machines then is used for controlling the rotary disk rotation, thereby can the quick transition shell body the face of polishing.

4. This plastic casing is with automatic equipment of polishing that has multistation regulatory function, fixes the shell body through the sole, and the slider cooperation is in the cross recess, so can be in the cross recess free moving position, and the tuber pipe links air exhaust equipment outward, through the action of bleeding, reduces the inside atmospheric pressure of sole for each suction inlet position atmospheric pressure all descends on the sole, so just can be under the effect of atmospheric pressure, fixes the shell body on each sole.

5. This plastics shell is with automatic equipment of polishing that has multistation regulatory function, hydraulic stretching through hydraulic push rod, make the shaft and push away the overall structure that the frame constitutes can be promoted, so alright promote the core wheel of gear, and the core wheel removes the back in the gear, the gear can roll along the tooth's socket, thereby can remove the support frame steadily, again because sliding fit between cardboard and the support frame, make the control box can carry out position shift along the support frame, utilize the hydraulic control jar to the hydraulic stretching control of hydraulic control pole, make the control box can the high-speed (quick) moving, and need not artifical promotion adjustment.

6. This plastic casing is with automatic equipment of polishing that has multistation regulatory function, reciprocate single grinding machanism through electric putter, thereby the planar height of transform polishing, through fill into the compressed gas of equidimension in each trachea, the pneumatic pull rod who links to each other with it will be corresponding takes place not flexible of equidimension, borrow this can pull the tape-sealing dish and make a round trip to control the skew, thereby can the corresponding angle of polishing of adjusting, the axle connection motor of polishing, be used for controlling the disc rotation of polishing, thereby it is rotatory together to drive the ball of polishing, accomplish the work of polishing.

Drawings

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

FIG. 2 is a diagram of a mobile station according to the present invention;

FIG. 3 is a schematic view of the construction of the foot plate of the present invention;

FIG. 4 is a schematic view of the structure of the tray of the present invention;

FIG. 5 is a schematic view of a rotary disk structure according to the present invention;

fig. 6 is a schematic structural view of a grinding mechanism according to the present invention.

In the figure: 1. a work table; 101. a shifting groove; 102. a tooth socket; 103. a chute; 2. a mobile station; 201. a slide bar; 3. a screw; 4. a lifting plate; 5. a hydraulic lifting rod; 6. a tray; 7. an electrostatic cavity; 8. an electrostatic rod; 9. a mesh-shaped ring plate; 10. a scrap containing net bag; 11. rotating the disc; 1101. a cross groove; 12. a rotating electric machine; 13. a foot plate; 1301. a suction port; 14. an air duct; 15. a slider; 16. a gear; 1601. a wheel axle; 1602. a wheel carrier; 17. pushing the frame; 18. a hydraulic push rod; 19. hydraulic pushing cylinders; 20. a support frame; 21. a hydraulic control cylinder; 22. a hydraulic control lever; 23. a control box; 24. clamping a plate; 25. a polishing mechanism; 26. a hollow tube; 27. an electric push rod; 28. an air tube; 29. a pneumatic pull rod; 30. a connecting pipe; 3001. a rubber tube; 31. sealing the disc; 32. polishing the disc; 33. grinding the shaft; 34. and (5) grinding the ball.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 6, the present invention provides a technical solution: the automatic polishing equipment with the multi-station adjusting function for the plastic shell comprises a workbench 1, a moving platform 2, a lifting disc 4, a support frame 20 and a polishing mechanism 25, wherein a shifting groove 101 is formed in the middle of the upper surface of the workbench 1, tooth grooves 102 are formed in the left side and the right side of the upper surface of the workbench 1, sliding grooves 103 are formed in the outer walls of the two sides of the workbench 1, the moving platform 2 is assembled in the shifting groove 101, a screw rod 3 penetrates through the inner parts of the two sides of the moving platform 2 in a spiral mode, sliding strips 201 are fixed on the outer parts of the two sides of the moving platform 2 at equal distances, the sliding strips 201 are matched with the shifting groove 101 in size, and the moving platform 2 can be connected tightly on the workbench 1 and can move stably by utilizing the sliding fit between the sliding strips 201 and the shifting groove 101;

the lifting disc 4 is arranged in the middle of the mobile station 2, the upper surface of the lifting disc 4 uniformly penetrates through a hydraulic lifting rod 5 in an annular shape, the top end of the hydraulic lifting rod 5 is connected with a tray 6, a rotating disc 11 is arranged above the middle of the tray 6, the middle of the tray 6 is communicated, an electrostatic cavity 7 is arranged in the tray 6, electrostatic rods 8 are arranged in the electrostatic cavity 7 at equal intervals, mesh-shaped ring plates 9 are arranged on the upper surface and the lower surface of the electrostatic cavity 7, the electrostatic rods 8 in the electrostatic cavity 7 can generate static electricity after being electrified, the static electricity can adsorb polished scraps in the mesh-shaped ring plates 9 or outside the mesh-shaped ring plates 9, so that the problem of scattering of the scraps can be effectively avoided, a scrap containing net 10 is fixed below the tray 6, the scrap containing net 10 is communicated with the mesh-shaped ring plates 9, the hydraulic lifting rods 5 are arranged on the periphery of the scrap containing net 10, the scrap containing net 10 is used for receiving the scraps passing through the mesh-shaped ring plates 9, the scraps can be effectively collected, so that the scraps are convenient to clean, and the hydraulic lifting rod 5 is used for adjusting the height of the tray 6, so that the height of the outer shell placed on the rotating disc 11 can be conveniently adjusted in a lifting way;

the upper surface of the rotating disk 11 is provided with a cross slot 1101, the bottom shaft end of the rotating disk 11 is connected with a rotating motor 12, a foot plate 13 is assembled in the slot of the cross slot 1101, the foot plate 13 is respectively arranged on four positions of the cross slot 1101, the rotating motor 12 is used for controlling the rotating disk 11 to rotate, so that the grinding surface of the outer shell can be rapidly converted, the foot plate 13 is used for fixing the outer shell, the inside of the foot plate 13 is of a hollow structure, suction ports 1301 uniformly penetrate through the upper surface of the foot plate 13, sliders 15 are fixed at the bottom of the foot plate 13, the sliders 15 are respectively matched with the cross slot 1101 in size, the outer ends of the foot plate 13 are respectively connected with air pipes 14, the air pipes 14 are communicated with inner cavities of the foot plate 13, the sliders 15 are matched in the cross slot 1101, so that the positions of the air pipes can freely move in the cross slot 1101, an air suction, the air pressure at the position of each suction port 1301 on the foot plate 13 is reduced, so that the outer shell can be fixed on each foot plate 13 under the action of the air pressure;

the gear 16 is engaged with the inner side of the tooth space 102, the wheel carrier 1602 is welded above the wheel core of the gear 16, the wheel shaft 1601 is fixed on the wheel core axis of the gear 16, the wheel shaft 1601 passes through the sliding chute 103, the pushing frame 17 is fixed on the end of the wheel shaft 1601, the hydraulic push rod 18 is connected on the rear end of the pushing frame 17, the hydraulic push cylinder 19 is connected on the end of the hydraulic push rod 18, the hydraulic push cylinder 19 is fixed on the rear two sides of the workbench 1, the integral structure formed by the wheel shaft 1601 and the pushing frame 17 is used for moving the position of the gear 16, the hydraulic expansion and contraction control of the hydraulic push rod 18 by the hydraulic push cylinder 19 enables the integral structure formed by the wheel shaft 1601 and the pushing frame 17 to be pushed, so that the wheel core of the gear 16 can be pushed, the gear 16 is engaged with the tooth space 102 in size, and the gear 16 rolls along the tooth space 102 after the wheel core of the gear 16 moves, the structure is stable, and the position is not easy to slide, wherein, the gear 16 is moved to move the support frame 20;

the bottom feet of the support frame 20 are welded at the top end of the wheel frame 1602, the control box 23 is in sliding fit with the inner side of the support frame 20, the clamping plate 24 is welded on the outer wall of the control box 23, the clamping plate 24 and the support frame 20 are matched in size to form a sliding structure, the hydraulic control cylinder 21 is installed on one side of the support frame 20, the movable end of the hydraulic control cylinder 21 is connected with the hydraulic control rod 22, the hydraulic control rod 22 is fixedly connected with the control box 23, the control box 23 can move along the support frame 20 through the sliding fit between the clamping plate 24 and the support frame 20, and the hydraulic control cylinder 21 is used for controlling the hydraulic expansion and contraction of the hydraulic control rod 22, so that the control box 23 can move rapidly without manual pushing adjustment;

the grinding mechanisms 25 are uniformly arranged below the control box 23, each grinding mechanism 25 comprises a hollow pipe 26 and a grinding ball 34, an electric push rod 27 is uniformly fixed at the upper end of each hollow pipe 26, air pipes 28 are uniformly bonded on the outer wall of each hollow pipe 26, the lower ends of the air pipes 28 are respectively connected with a pneumatic pull rod 29, a connecting pipe 30 is welded at the lower end of each hollow pipe 26, a rubber pipe 3001 is connected below each connecting pipe 30, a sealing disc 31 is welded at the bottom end of each rubber pipe 3001, the bottom end of each pneumatic pull rod 29 is connected to the upper surface of each sealing disc 31, each electric push rod 27 is used for vertically moving each grinding mechanism 25 to change the height of a grinding plane and perform grinding work more fitting on the outer shell, the air pipes 28 are externally connected to a compression device, compressed air is filled with compressed air, the pneumatic pull rods 29 stretch and retract, compressed air with different amounts is filled in each air pipe 28, the pneumatic pull rod 29 connected with the pneumatic pull rod can correspondingly extend and retract in different degrees, and therefore the sealing disc 31 can be driven to deflect left and right, the polishing angle can be correspondingly adjusted, the polishing disc 32 is arranged below the sealing disc 31, the polishing ball 34 is fixed on the lower surface of the polishing disc 32, the polishing shaft 33 is vertically fixed at the center of the upper surface of the polishing disc 32, the polishing shaft 33 penetrates through the center of the sealing disc 31, the polishing shaft 33 is connected with a motor, the polishing disc 32 is controlled to rotate, and the polishing ball 34 is driven to rotate together.

In conclusion, when the automatic polishing equipment with the multi-station adjusting function for the plastic shell is used, the screw rods 3 rotate in the same direction and at the same rotating speed through the transmission mechanism assembled at the end parts of the screw rods 3, so that the movable platform 2 is driven to move in the workbench 1 by the rotation of the screw rods 3, then the hydraulic lifting cylinders in the lifting disc 4 are controlled to drive the hydraulic lifting rods 5 to extend or shorten, the tray 6 moves up and down, after the tray 6 is proper in height, the telescopic control on the hydraulic lifting rods 5 is stopped, then the polishing position of the polishing mechanism 25 is moved, namely the hydraulic pushing cylinder 19 is started, the hydraulic pushing rod 18 extends, the hydraulic pushing rod 18 pushes the pushing frame 17 to move, the pushing frame 17 carries the wheel shaft 1601 to move the wheel core part of the gear 16 together, the gear 16 rolls under the meshing action with the tooth grooves 102, thereby driving the supporting frame 20 connected with the wheel core to move, then starting the hydraulic control cylinder 21, driving the hydraulic control rod 22 to stretch, thus the supporting frame 20 can pull the control box 23 to move, and clamping the shell to be polished after the preparation work is ready;

the shell is placed on the rotating disk 11, the position of each foot board 13 is reasonably moved on the rotating disk 11 in advance, so that the foot boards 13 can play a proper role of supporting the shell, then the air pipes 14 on the foot boards 13 are respectively connected into an air exhaust pipe or directly connected with an air extractor, the air pressure in the inner cavity of each foot board 13 is reduced by pumping the air in each foot board 13, so that the shell is fixed on each foot board 13 by utilizing the air pressure principle, and when the grinding position of the shell needs to be converted, the rotating motor 12 can be started, so that the shell rotates for a certain angle, and the shell at the position just faces the grinding mechanism 25;

when the shell is polished, a plurality of polishing mechanisms 25 can be simultaneously selected to polish in multiple stations, the electric push rod 27 can drive a single polishing mechanism 25 to move up and down after being electrified, so that the height of a polishing plane can be changed, the shell is polished more closely, the air pipe 28 is externally connected with a pipeline to a compression device, compressed gas is filled in the air pipe 28 to enable the pneumatic pull rod 29 to stretch, compressed gas with different quantities is filled in each air pipe 28, the pneumatic pull rod 29 connected with the air pipe 29 can correspondingly stretch in different degrees, therefore, the sealing disc 31 can be driven to deflect back and forth, the polishing angle can be correspondingly adjusted, the rotary driving mechanism connected with the polishing shaft 33 is started, the polishing ball 34 can rotate, the shell can be rapidly polished by utilizing the high-speed rotation of the polishing ball 34, and during polishing, the electrostatic rods 8 in the electrostatic cavity 7 are all in an electrified state, the static bar 8 can produce static electricity, so that the ground scraps can be adsorbed in the net-shaped ring plate 9 or outside the net-shaped ring plate 9, after grinding is finished, a power supply of the static bar 8 is turned off, the scraps can fall into the scrap containing net bag 10 downwards under the action of natural gravity to wait for cleaning, the static bar 8 adopts the static induction electrification principle, the structure of the static bar is mainly a metal copper bar (capable of being electrified), and a neutral object (such as rubber and the like) is wound or wrapped outside the static bar.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (2)

1. The utility model provides a plastics shell is with automatic equipment of polishing that has multistation regulatory function, includes workstation (1), mobile station (2), lifter plate (4), support frame (20) and grinding machanism (25), its characterized in that: the hydraulic lifting device is characterized in that a shifting groove (101) is formed in the middle of the upper surface of the workbench (1), tooth grooves (102) are formed in the left side and the right side of the upper surface of the workbench (1), sliding grooves (103) are formed in the outer walls of the two sides of the workbench (1), the mobile platform (2) is assembled in the shifting groove (101), screw rods (3) penetrate through the inner portions of the two sides of the mobile platform (2) in a spiral mode, the lifting disc (4) is arranged in the middle of the mobile platform (2), the upper surface of the lifting disc (4) penetrates out of a hydraulic lifting rod (5) in an annular mode, the top end of the hydraulic lifting rod (5) is connected with a tray (6), a rotating disc (11) is installed above the middle of the tray (6), gears (16) are meshed with the inner sides of the tooth grooves (102) respectively, a wheel carrier (1602) is welded above a wheel core of each gear (16), and feet of the supporting frame (20) are welded, a control box (23) is arranged on the inner side of the support frame (20) in a sliding fit mode, the polishing mechanisms (25) are uniformly installed below the control box (23), the sliding strips (201) are fixed on the outer portions of the two sides of the moving platform (2) at equal distances, the sliding strips (201) are matched with the shifting grooves (101) in size, the middle of the tray (6) is communicated, an electrostatic cavity (7) is arranged inside the tray (6), electrostatic rods (8) are arranged inside the electrostatic cavity (7) at equal intervals, mesh ring plates (9) are arranged on the upper surface and the lower surface of the electrostatic cavity (7), a scrap containing net bag (10) is fixed below the tray (6), the scrap containing net bag (10) is communicated with the mesh ring plates (9), the hydraulic lifting rods (5) are arranged on the periphery of the scrap containing net bag (10), a cross groove (1101) is formed in the upper surface of the rotating disc (11), and the bottom shaft end of the rotating disk (11) is connected with a rotating motor (12), a foot plate (13) is assembled in the groove of the cross groove (1101), the foot plate (13) is respectively arranged on four positions of the cross groove (1101), the inside of the foot plate (13) is of a hollow structure, a suction port (1301) uniformly penetrates through the upper surface of the foot plate (13), a sliding block (15) is fixed at the bottom of the foot plate (13), the sliding block (15) is respectively matched with the cross groove (1101) in size, the outer end of the foot plate (13) is connected with an air pipe (14), the air pipe (14) is communicated with the inner cavity of the foot plate (13), a wheel axle (1601) is fixed at the axle center of a wheel core of the gear (16), the wheel axle (1601) penetrates through the sliding groove (103), a push frame (17) is fixed at the end part of the wheel axle (1601), and a hydraulic push rod (18) is connected at the rear end of the push frame, the end part of the hydraulic push rod (18) is connected with a hydraulic push cylinder (19), the hydraulic push cylinder (19) is respectively fixed at two sides of the rear part of the workbench (1), the outer wall of the control box (23) is welded with a clamping plate (24), the clamping plate (24) is respectively matched with the support frame (20) in size to form a sliding structure, one side of the support frame (20) is provided with a hydraulic control cylinder (21), the movable end of the hydraulic control cylinder (21) is connected with a hydraulic control rod (22), the hydraulic control rod (22) is fixedly connected with the control box (23), the grinding mechanism (25) comprises a hollow tube (26) and a grinding ball (34), the upper end of the hollow tube (26) is uniformly fixed with an electric push rod (27), the outer wall of the hollow tube (26) is uniformly bonded with an air tube (28), the lower end of the air tube (28) is uniformly connected with a pneumatic pull rod (29), the welding of the lower extreme of hollow tube (26) has connecting pipe (30), and the below of connecting pipe (30) is connected with rubber tube (3001), the welding of the bottom of rubber tube (3001) has sealing disc (31), and the upper surface at sealing disc (31) is all connected to the bottom of pneumatic pull rod (29).

2. The automatic grinding equipment with the multi-station adjusting function for the plastic shells as claimed in claim 1, wherein: the polishing device is characterized in that a polishing disc (32) is arranged below the sealing disc (31), a polishing ball (34) is fixed on the lower surface of the polishing disc (32), a polishing shaft (33) is vertically fixed at the center of the upper surface of the polishing disc (32), and the polishing shaft (33) penetrates through the center of the sealing disc (31).

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