CN113997170B

CN113997170B - Arc polishing gun with adjustable radian

Info

Publication number: CN113997170B
Application number: CN202111241281.6A
Authority: CN
Inventors: 潘正林; 潘青
Original assignee: Yangzhou Jinyangguang Casting Co ltd
Current assignee: Yangzhou Jinyangguang Casting Co ltd
Priority date: 2021-10-25
Filing date: 2021-10-25
Publication date: 2023-03-28
Anticipated expiration: 2041-10-25
Also published as: CN113997170A

Abstract

The invention provides a radian-adjustable arc polishing gun, which relates to the field of polishing equipment and comprises a gun body, wherein a power assembly is arranged in the gun body, the output end of the power assembly is connected with a polishing rod, the tail end of the polishing rod is connected with an adjustable arc polishing head, the adjustable arc polishing head comprises a shell, an air inlet interface and a valve, the upper end of the shell is connected on the polishing rod, a plurality of groups of linearly arranged air cavities and piston cavities are formed in the shell, a piston head is connected in a sliding manner in the piston cavity, the outer side end of the piston head is connected with a piston rod, a spring is arranged between the inner part of the piston cavity and the piston head, the head part of the piston rod is connected with a top block, the outer side of the top block is connected with a flexible sand plate, the side wall of each air cavity is provided with an air inlet hole and an air outlet hole, the air inlet hole is connected with the air inlet interface, the air outlet hole is connected with the valve, and the piston head is locked at the position in the piston cavity through the valve. This radian adjustable circular arc rifle of polishing through the length of adjusting and fixing each piston rod, changes flexible sand plate surface arc, adapts to the arc surface of different radians, and the suitability is stronger, and efficiency of polishing is higher.

Description

Arc polishing gun with adjustable radian

Technical Field

The invention relates to the technical field of polishing equipment, in particular to an arc polishing gun with an adjustable radian.

Background

The special-shaped member refers to a workpiece having a non-rotating body structure, a non-rotating body, and an asymmetric shape, and is collectively referred to as a special-shaped member. In short, it is a piece of irregularly shaped debris. The polishing and deburring problems of the special-shaped piece are always main factors influencing the production efficiency of the special-shaped piece, the special-shaped piece also often has more radian inner and outer vertical surfaces, the radian inner and outer vertical surfaces are polished, the polishing angle of the traditional polishing tool cannot be changed according to the radian of the inner and outer vertical surfaces due to the limitation of a polishing head, the polishing efficiency is greatly reduced, and the polishing precision is influenced.

Patent CN201811047995.1 an radian polisher with radian regulatory function, comprising a base plate, the upper surface of bottom plate is equipped with the mount, the upper surface of mount is connected with servo motor three, the side of mount is connected with fixing bolt, servo motor three's output shaft has U type frame, the both ends fixedly connected with guide arm of U type frame, and U type frame both ends install the lead screw through the bearing cooperation, the lead screw is connected with the slider through screw nut, and the guide arm runs through the through-hole of slider side, the tip of lead screw is equipped with servo motor two, and this radian polisher with radian regulatory function adjusts the radian of polishing through setting up mutually supporting between servo motor two, U type frame, lead screw, servo motor three and the guide arm.

Patent CN201911170874.0 discloses a stone material grinding device, more specifically the adjustable grinding device of stone material radian that says so, including slabstone fixing base, the swing arm and the centre of a circle guiding mechanism of polishing, this device realizes the adjustment of different radian of polishing according to the mode of changing centre of a circle position, can adjust the distance of polisher and stone material time. The circle center adjusting mechanism is installed on the stone plate fixing seat, and the polishing swing arm is installed on the circle center adjusting mechanism.

The prior art has the problems of low applicability, low precision, complex structure and the like, and is not suitable for the special-shaped workpieces with multi-arc inner and outer vertical surfaces.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides an arc polishing gun with an adjustable radian, which solves the problems in the prior art.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides an adjustable radian's circular arc rifle of polishing, includes the rifle body, the internal power component that establishes of rifle, the power component output is connected with the pole of polishing, the pole of polishing slides at the rifle mouth of a gun, the adjustable arc head of polishing of pole end-to-end connection, adjustable arc head of polishing includes casing, interface, valve admit air, the casing upper end is connected on the pole of polishing, set up a plurality of groups linear arrangement's air cavity and piston chamber in the casing, air cavity and piston chamber center are a straight line, sliding connection piston head in the piston chamber, the piston head outside end is connected with the piston rod, holding spring between piston intracavity portion and the piston head, the kicking block is connected to the piston rod head portion, flexible sand board is connected in the kicking block outside, inlet port and venthole have been seted up on the air cavity lateral wall, the inlet port links to each other with the interface of admitting air, the venthole links to each other with the valve, the piston head passes through the valve locking in piston intracavity position.

Preferably, the front end of the air cavity is further provided with a fixed block cavity, a fixed block is matched in the fixed block cavity, and the piston rod is connected in the middle of the fixed block in a sliding mode.

Preferably, the surface of the piston head is also sleeved with a sealing ring to enhance air tightness.

Preferably, the top of the piston rod is round and is in rolling connection with the top block.

Preferably, the gun body comprises an upper shell, a lower shell, a handle and a gun head, the upper shell is matched with the lower shell, the handle is connected to one side of the bottom end of the lower shell, a button switch is arranged on the handle, and the gun head is arranged at the front ends of the upper shell and the lower shell.

Preferably, the power assembly comprises a motor and a cam, the motor is arranged in the handle, and the output end of the motor is connected to the eccentric position of the cam.

(III) advantageous effects

The invention provides an arc polishing gun with an adjustable radian. The method has the following beneficial effects:

1. this radian adjustable circular arc rifle of polishing utilizes the required special-shaped workpiece arc surface of polishing of flexible sand board laminating to fix the extension length of each piston rod in addition, come to reciprocating type the polishing to laminating arc surface, through the length of adjusting each piston rod, adjust flexible sand board surface arc, adapt to the arc surface of different radians, the suitability is stronger, and efficiency of polishing is higher.

Drawings

FIG. 1 is a first general structural diagram of the present invention;

FIG. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is an enlarged view taken at A of FIG. 1;

FIG. 4 is an enlarged view at B of FIG. 2;

FIG. 5 is a schematic view of the internal structure of the adjustable arc sanding head;

FIG. 6 is an enlarged view at C of FIG. 5;

FIG. 7 is a second schematic view of the internal structure of the adjustable arc sanding head;

FIG. 8 is a sectional view of the internal structure of the adjustable arc sanding head;

FIG. 9 is an enlarged view of FIG. 8 at D;

fig. 10 is a schematic view of the power assembly in the gun body.

In the figure: 1. a gun body; 11. an upper shell; 12. a lower case; 13. a handle; 14. a push button switch; 15. a gun head; 2. a power assembly; 21. a motor; 22. a cam; 3. grinding the rod; 4. an adjustable arc polishing head 41 and a shell; 411. a fixed block cavity; 412. a piston cavity; 413. an air cavity 414, an air inlet; 415. an air outlet; 416. a ventilation hole 42, a piston rod; 421. a round head; 43. a top block; 44. a flexible sand plate; 45. an air inlet interface; 46. a valve; 47. a fixed block; 48. a piston head; 481. a seal ring; 49. a spring; 5. and (5) forming a special-shaped workpiece.

Detailed Description

The embodiment of the invention provides an arc polishing gun with an adjustable radian, which comprises a gun body 1, wherein a power assembly 2 is arranged in the gun body 1, as shown in fig. 10, the power assembly 2 in the embodiment of the invention comprises a motor 21 and a cam 22, the motor 21 is arranged in a handle 13, the output end of the motor 21 is connected with the eccentric position of the cam 22, the cam 22 is connected with a polishing rod 3 at the position close to a gun mouth, and the eccentric cam 22 is driven to reciprocate through the rotation of the motor 21 so as to drive the polishing rod 3 to reciprocate.

As shown in fig. 3 and 4, the end of the polishing rod 3 is connected to an adjustable arc polishing head, the adjustable arc polishing head includes a housing, an air inlet 45, and a valve 46, the upper end of the housing is connected to the polishing rod 3, as shown in fig. 5 and 6, the housing is provided with a plurality of sets of linearly arranged air cavities and piston cavities 412, the centers of the air cavities and piston cavities 412 are in a straight line, a piston head 48 is slidably connected to the piston cavity 412, the outer side of the piston head 48 is connected to a piston rod, a spring 49 is accommodated between the inside of the piston cavity 412 and the piston head 48, the piston cavity 412 is further provided with a vent hole, the head of the piston rod is connected to a top block 43, the outer side of the top block 43 is connected to a flexible sand plate 44, sand-like particles are disposed on the outer surface of the flexible sand plate 44, the side wall of the air cavity is provided with an air inlet hole and an outlet hole 415, the inlet hole is connected to the air inlet 45, the outlet hole 415 is connected to the valve 46, the piston head 48 is locked at a position in the piston cavity 412 through the valve 46, and the specific embodiment mode details refer to the working principle.

Further, as shown in fig. 5, a fixing block cavity 411 is further arranged at the front end of the air cavity, the fixing block cavity 411 is matched with the fixing block 47, the piston rod is connected between the fixing block 47 in a sliding mode, better air tightness is achieved by arranging the fixing block 47, meanwhile, the piston rod slides between the fixing block 47, a middle hole of the fixing block 47 is also convenient to lubricate, and the piston rod is prevented from sliding and being clamped in the fixing block 47.

Further, as shown in fig. 5, a sealing ring 481 is further sleeved on the surface of the piston head 48 to enhance air tightness, stabilize the air pressure of air entering from the air inlet hole in the air cavity, and ensure the stability of fixing the position of the piston head 48 in the piston cavity 412.

As shown in figure 8, the top of the piston rod is a round head 421, and is in rolling connection with the ejector block 43, the ejector block 43 can form different angles with the piston rod according to different radians, and can better adapt to different inner and outer vertical surfaces of the radian, so that the radian slopes of the ejector block 43 and the flexible sand plate 44 are consistent.

Specifically, as shown in fig. 1 and 2, the gun body 1 includes an upper shell 11, a lower shell 12, a handle 13, and a gun head 15, the upper shell 11 and the lower shell 12 are adapted to each other and connected by screws, the handle 13 is connected to one side of the bottom end of the lower shell 12, the handle 13 is provided with a button switch 14, and the gun head 15 is arranged at the front ends of the upper shell 11 and the lower shell 12. The upper shell 11, the lower shell 12 and the handle 13 are hollow, the power assembly 2 and necessary connecting pieces are arranged in the hollow upper shell, the button switch 14 is connected with a motor 21 circuit of the power assembly 2, the radian-adjustable arc polishing gun is used for opening and closing the motor 21 of the power unit by holding the handle 13 and pressing the button switch 14, and polishing operation is realized.

The working principle is as follows: when the arc polishing gun with the adjustable radian is used, as shown in fig. 7, the flexible sand plate 44 of the adjustable arc polishing head is attached to the arc-shaped surface of the special-shaped workpiece 5, at this time, each piston rod is retracted to different lengths under the extrusion of the arc-shaped surface of the special-shaped workpiece 5, as shown in fig. 8, the bottom surface of the piston is pressed with the spring 49, at this time, air in the piston cavity 412 flows in from the ventilating hole, as shown in fig. 3, and then air is input into each air cavity through the air inlet hole through the air inlet interface 45, as shown in fig. 4, the valve 46 is closed, at this time, the elastic force of the spring 49 and the pressure of the air in the air cavity reach a balanced value, the piston head 48 is fixed at a specific position of the piston cavity 412, as the piston head 48 is fixed, the extending length of the piston rod is correspondingly fixed, so that the outer surface of the flexible sand plate 44 forms an arc-shaped surface which is consistent with the arc-shaped vertical surface of the special-shaped workpiece 5 to be polished, then, the polishing gun holds the polishing head, robs the button switch 14 to polish the arc-shaped workpiece 5, after polishing, the polishing operation is completed, the valve 46 is opened, the air in the air cavity flows in from the air outlet hole 415, the pressure is lowered, the air cavity is lowered, the piston rod 48 moves outwards under the action, the action of the spring 49, the piston rod moves, and the piston rod is extended length of the piston rod is extended state, and the piston rod is extended length is repeatedly extended state, and the piston rod is repeatedly polished rod, and the piston rod is as shown in the vertical surface of the special-shaped workpiece 5, and the steps shown in the drawing step, and the vertical surface is repeated steps shown in the drawing step.

To sum up, this radian adjustable circular arc rifle of polishing utilizes 5 arc surfaces of the required special-shaped workpiece that polish of flexible sand plate 44 laminating to fix the extension length of each piston rod, come to reciprocating type polishing to laminating arc surface, through the length of adjusting each piston rod, adjust flexible sand plate 44 surface arc, adapt to the arc surface of different radians, the suitability is stronger, and efficiency of polishing is higher.

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

Claims

1. The utility model provides a radian adjustable circular arc rifle of polishing, includes the rifle body (1), establish power component (2) in the rifle body (1), power component (2) output is connected with pole (3) of polishing, pole (3) of polishing slide at the rifle body (1) muzzle, its characterized in that: the adjustable arc polishing head (4) is connected with the tail end of the polishing rod (3), the adjustable arc polishing head (4) comprises a shell (41), an air inlet interface (45) and a valve (46), the upper end of the shell (41) is connected to the polishing rod (3), a plurality of sets of linearly arranged air cavities (413) and piston cavities (412) are formed in the shell (41), the centers of the air cavities (413) and the piston cavities (412) are in a straight line, the piston cavities (412) are connected with piston heads (48) in a sliding mode, the outer side ends of the piston heads (48) are connected with piston rods (42), springs (49) are accommodated between the inner portions of the piston cavities (412) and the piston heads (48), the heads of the piston rods (42) are connected with ejector blocks (43), the outer sides of the ejector blocks (43) are connected with flexible sand plates (44), air inlet holes (414) and air outlet holes (415) are formed in the side walls of the air cavities (413), the air inlet holes (414) are connected with the air inlet interface (45), the air outlet holes (415) are connected with the valve (46), the piston heads (48) are locked in the positions of the piston cavities (412) through the valve (46), and the gun shell (11) and the upper shell (11) and the lower shell (12) are matched with the lower shell (11), handle (13) are connected in inferior valve (12) bottom one side, be equipped with button switch (14) on handle (13), rifle head (15) are established at epitheca (11) and inferior valve (12) front end, power component (2) include motor (21) and cam (22), motor (21) are settled in handle (13), the output of motor (21) is connected in cam (22) eccentric position, and cam (22) are close to muzzle department and connect pole (3) of polishing, the top of piston rod (42) is button head (421), with kicking block (43) roll connection.

2. The arc sanding gun of claim 1, wherein: the front end of the air cavity (413) is also provided with a fixed block cavity (411), the fixed block cavity (411) is internally matched with a fixed block (47), and the piston rod (42) is connected in the middle of the fixed block (47) in a sliding manner.

3. The arc sanding gun of claim 1, wherein: the surface of the piston head (48) is also sleeved with a sealing ring (481) to enhance air tightness.