CN113997170A

CN113997170A - Arc polishing gun with adjustable radian

Info

Publication number: CN113997170A
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: 2022-02-01
Anticipated expiration: 2041-10-25
Also published as: CN113997170B

Abstract

The invention provides an arc polishing gun with adjustable radian, 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 to 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 the piston cavity in a sliding manner, the outer side end of the piston head is connected with a piston rod, a spring is arranged between the interior of the piston cavity and the piston head, the head 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 a radian polisher with radian regulatory function, comprising a base plate, the upper surface of bottom plate is equipped with the mount, the last surface connection of mount has servo motor three, the side of mount is connected with fixing bolt, servo motor three 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 polished radian 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 centre of a circle guiding mechanism of polishing, this device realizes the adjustment of different radian of polishing according to the mode of change 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: an arc polishing gun with adjustable radian 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 polishing rod slides on the muzzle of the gun body, 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 with the grinding rod, a plurality of groups of air cavities and piston cavities which are arranged linearly are arranged in the shell, the centers of the air cavity and the piston cavity are in a straight line, the piston head is connected in the piston cavity in a sliding way, the outer side end of the piston head is connected with a piston rod, a spring is arranged between the interior of the piston cavity and the piston head, the head of the piston rod is connected with a top block, the outer side of the top block is connected with a flexible sand plate, an air inlet hole and an air outlet hole are arranged on the side wall of the air cavity, 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.

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 further 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, the handle is provided with a button switch, 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 adjustable radian, which is shown in fig. 1-2 and 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 with an adjustable arc polishing head, the adjustable arc polishing head comprises 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, a plurality of sets of linearly arranged air cavities and piston cavities 412 are arranged in the housing, the centers of the air cavities and piston cavities 412 are in a straight line, a piston head 48 is slidably connected in the piston cavity 412, a piston rod is connected to the outer side of the piston head 48, a spring 49 is accommodated between the inside of the piston cavity 412 and the piston head 48, a vent hole is further arranged on the piston cavity 412, the head of the piston rod is connected with a top block 43, the outer side of the top block 43 is connected with a flexible sand plate 44, sand-like particles are arranged on the outer surface of the flexible sand plate 44, an air inlet hole and an air outlet hole 415 are arranged on the side wall of the air cavity, the air inlet hole is connected with the air inlet 45, the air outlet hole 415 is connected with the valve 46, the piston head 48 is locked in the position in the piston cavity 412 through the valve 46, the detailed implementation mode is shown in 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 sanding gun with the adjustable radian is used, as shown in fig. 7, the flexible sand plate 44 of the adjustable arc sanding head is attached to the arc surface of the special-shaped workpiece 5, at this time, under the extrusion of the arc surface of the special-shaped workpiece 5, each piston rod is retracted to different lengths, the bottom surface of the piston is pressed with the spring 49, as shown in fig. 8, 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 balance 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 surface consistent with the arc vertical surface of the special-shaped workpiece 5 to be sanded, and then the sanding gun is held by hand, the button switch 14 is pressed down to polish the arc-shaped vertical face of the special-shaped workpiece 5, after polishing is completed, the valve 46 is opened, air in the air cavity flows in through the air outlet 415, the pressure in the air cavity is reduced, the piston head 48 moves outwards under the elastic action of the spring 49, the piston rod extends along with the air cavity, the piston rod returns to the state shown in fig. 5, the extending lengths of the piston rods are consistent, and when next arc-shaped vertical face polishing is performed, the steps are repeated.

In conclusion, this radian adjustable circular arc rifle of polishing utilizes flexible sand plate 44 to laminate 5 arc surfaces of the required special-shaped workpiece of polishing to fix the extension length of each piston rod, come to reciprocate to polish 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 to 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 groups of air cavities (413) and piston cavities (412) which are linearly arranged 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), and the air inlet interfaces (414) are connected with the air inlet interface (45), the air outlet (415) is connected with the valve (46), and the piston head (42) is locked in a position in the piston cavity (412) through the valve (46).

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.

4. The arc sanding gun of claim 1, wherein: the top of the piston rod (22) is a round head (221) which is connected with the top block (23) in a rolling way.

5. The arc sanding gun of claim 1, wherein: the utility model discloses a rifle body, including rifle body (1), upper casing (11), inferior valve (12), handle (13), rifle head (15), upper casing (11) and inferior valve (12) looks adaptation, 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 upper casing (11) and inferior valve (12) front end.

6. The arc sanding gun of claim 1, wherein: the power assembly (2) comprises a motor (21) and a cam (22), the motor (21) is arranged in the handle (13), the output end of the motor (21) is connected to the eccentric position of the cam (22), and the cam (22) is connected with the grinding rod (3) at the position close to the muzzle.