CN112091813A

CN112091813A - Multifunctional electric polishing tool with shock absorption function

Info

Publication number: CN112091813A
Application number: CN202011097103.6A
Authority: CN
Inventors: 黄俊湖
Original assignee: Ningbo Xichu Machinery Technology Co ltd
Current assignee: Ningbo Xichu Machinery Technology Co ltd
Priority date: 2020-10-14
Filing date: 2020-10-14
Publication date: 2020-12-18

Abstract

The invention discloses a multifunctional electric polishing tool with shock absorption, which comprises a base and a host machine, wherein a transmission cavity, a moving cavity, a left trigger cavity and a right trigger cavity are arranged in the host machine, the moving cavity is positioned below the transmission cavity, the two ends of the moving cavity are opened, the left trigger cavity is positioned on the left side of the transmission cavity and is communicated with the moving cavity, the right trigger cavity is positioned on the right side of the transmission cavity and is communicated with the moving cavity, a motor is fixedly connected in the upper cavity wall of the transmission cavity, the motor is in power connection with a motor shaft, the motor shaft extends downwards into the transmission cavity and is sequentially and fixedly connected with a large bevel gear and a small bevel gear, a left transmission pipe is rotatably connected in the left cavity wall of the transmission cavity, the right end of the left transmission pipe extends into the transmission cavity and is fixedly connected with a left bevel gear meshed with the small bevel gear, the left bevel gear can, the hydraulic damping system in the device can ensure that the polishing head is tightly attached to the workpiece like an automobile suspension is tightly attached to the ground.

Description

Multifunctional electric polishing tool with shock absorption function

Technical Field

The invention relates to the field of shock absorbers, in particular to a multifunctional electric grinding tool with shock absorption.

Background

Electric grinding is a common tool, but various vibrations are always generated when grinding is carried out and a workpiece is contacted, the noise is high, the close contact between a grinding head and the workpiece is influenced, the grinding quality is not high, and the electric grinding equipment on the market only uses a common spring for damping at present; the shock absorption system of the automobile consists of a spring and a shock absorber, the shock absorber is used for inhibiting the shock when the spring absorbs the shock and rebounds and absorbing the energy of the impact of the road surface, and the shock absorption effect is remarkable to ensure that the automobile can also be tightly attached to the ground to run on the bumpy road surface.

Disclosure of Invention

The invention aims to solve the technical problem of providing a multifunctional electric grinding tool with a shock absorber, which solves the problem that vibration hinders grinding quality during grinding and realizes that a grinding head is tightly attached to a workpiece during grinding.

The invention is realized by the following technical scheme.

The invention relates to a multifunctional electric grinding tool with shock absorption, which comprises a base and a host, wherein a transmission cavity, a moving cavity, a left trigger cavity and a right trigger cavity are arranged in the host, the moving cavity is positioned below the transmission cavity, the two ends of the moving cavity are open, the left trigger cavity is positioned on the left side of the transmission cavity and is communicated with the moving cavity, the right trigger cavity is positioned on the right side of the transmission cavity and is communicated with the moving cavity, a motor is fixedly connected in the upper cavity wall of the transmission cavity, the motor is in power connection with a motor shaft, the motor shaft extends downwards into the transmission cavity and is sequentially and fixedly connected with a large bevel gear and a small bevel gear, a left transmission pipe is rotatably connected in the left cavity wall of the transmission cavity, the right end of the left transmission pipe extends into the transmission cavity and is fixedly connected with a left bevel gear meshed with the small bevel gear, a vertical bevel gear is also rotatably connected in a, the right end of the connecting ring is fixedly connected with a bevel gear ring meshed with the large bevel gear, the upper cavity wall and the lower cavity wall of the transmission cavity are both rotatably connected with a grinding shaft at proper positions, one end of the grinding shaft, which is close to the symmetrical shaft, is fixedly connected with a grinding bevel gear meshed with the vertical bevel gear, one end of the grinding bevel gear, which is far away from the symmetrical shaft, extends to the outside and is fixedly connected with a fixed pipe, the fixed pipe is hollow and is fixedly connected with a double-cylinder shock absorption cylinder, the double-cylinder shock absorption cylinder is internally provided with an outer cylinder and an inner cylinder with an opening towards one side far away from the symmetrical shaft, one side of the inner cylinder, which is close to the symmetrical shaft, is provided with a resistance valve communicated with the outer cylinder, the inner cylinder is provided with a force adjusting valve at a proper position on one side of the symmetrical shaft according to the principle and is communicated with the outer cylinder, the inner cylinder is slidably connected with a, the racket head is connected in the inner cylinder in a sliding mode, a sliding fluorine ring is fixedly connected at the contact position of the racket head and the wall of the inner cylinder, the lower end of the piston extends out and is fixedly connected with a spline shaft, the spline shaft is connected in the fixed tube in a spline mode, a buffer spring is fixedly connected between the upper end of the spline shaft and the lower end face of the double-cylinder shock absorption cylinder, and a polishing disc is fixedly connected to the lower end of the spline shaft.

Furthermore, a right transmission pipe is rotationally connected to the right cavity wall of the transmission cavity, the right transmission pipe extends leftwards into the transmission cavity and is fixedly connected with a right bevel gear meshed with the bevel pinion, the left and right ends of the main machine are fixedly connected with rotating rings, rotating cavities with openings facing the main machine are arranged in the rotating rings, rotating blocks are rotationally connected to the rotating cavities, rotating cavities are arranged in the rotating blocks, threaded rings are rotationally connected to the rotating cavities, sliding ring cavities with openings facing one side of the symmetric axis are also arranged on the rotating blocks on one side of the rotating cavities close to the symmetric axis, a plurality of connecting holes are arranged between the sliding ring cavities and the rotating cavities for connection, sliding rings are slidably connected to the sliding ring cavities, small springs are fixedly connected between the sliding rings and the cavity wall of the sliding ring cavity on the side far away from the symmetric axis, and a plurality of braking columns are fixedly connected to the sliding rings on the side far away from the symmetric axis, just braking post sliding connection be in the connecting hole, sliding connection has the movable plate in the removal chamber, the movable plate passes the rolling circle at both ends and stretches out to the outside, sliding connection has left trigger block just in the left side trigger chamber left side trigger block lower extreme is fixed on the movable plate, sliding connection has right trigger block just in the right side trigger chamber right side trigger block lower extreme fixed connection is on the movable plate, all be equipped with two spacing holes in the both ends face around the movable plate, correspond it all is equipped with the spacing chamber of opening to symmetry axis one side to remove the intracavity suitable position in the chamber wall around, sliding connection has spacing head in the spacing chamber, just symmetry axis one end terminal surface is kept away from to spacing head with spacing spring of fixedly connected with between the chamber wall of keeping away from symmetry axis one end in spacing chamber.

Furthermore, the outer ring of the rotating ring is also rotationally connected with a fixed ring, the front end and the rear end of the rotating ring are provided with position limiting cavities with openings towards one side far away from the symmetrical shaft, the fixing rings are also provided with corresponding position limiting holes at corresponding positions, the position limiting cavities are connected with position limiting blocks in a sliding way, a position limiting spring is fixedly connected between the end surface of one end of the position limiting block close to the symmetry axis and the cavity wall of one side of the position limiting cavity close to the symmetry axis, the two sides of the upper end of the base are fixedly connected with baffle plates, a plurality of hanging bars are fixedly connected between the baffle plates, the suspension bar penetrates through the fixing ring and is in sliding connection with the fixing ring, a screw shaft is fixedly connected between the baffles at two sides, the screw shaft penetrates through the rotating block, the left transmission pipe, the right transmission pipe and the rotating ring and is not in contact with the rotating block, and the threaded ring is in transmission threaded connection with the screw shaft.

The invention has the beneficial effects that: the device simple structure cost is cheap, the simple operation, the device can automatic reciprocating motion back and forth when using, and the rotation of the head of polishing simultaneously can be used for polishing the work piece, and when polishing, hydraulic damping system among the device can hug closely the work piece like the messenger who hugs closely ground like the car hangs, guarantees effective and even of polishing each time, has improved the efficiency of polishing and the quality of polishing greatly.

Drawings

In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

FIG. 1 is a schematic front view of an embodiment of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1 according to an embodiment of the present invention;

FIG. 3 is an enlarged schematic view of the embodiment of the present invention at B in FIG. 1;

FIG. 4 is an enlarged schematic view of the structure at C in FIG. 1 according to an embodiment of the present invention;

FIG. 5 is a schematic cross-sectional view at D-D in FIG. 1 according to an embodiment of the present invention;

FIG. 6 is a schematic cross-sectional view at E-E in FIG. 1 according to an embodiment of the present invention.

Detailed Description

The invention will now be described in detail with reference to fig. 1-6, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

The multifunctional electric grinding tool with the shock absorption function, which is described in conjunction with the attached drawings 1-6, comprises a base 11 and a main machine 19, wherein the main machine 19 is provided with a transmission cavity 20, a moving cavity 21 which is positioned below the transmission cavity 20 and has two open ends, a left trigger cavity 23 which is positioned at the left side of the transmission cavity 20 and is communicated with the moving cavity 21, and a right trigger cavity 22 which is positioned at the right side of the transmission cavity 20 and is communicated with the moving cavity 21, a motor 24 is fixedly connected in the upper cavity wall of the transmission cavity 20, the motor 24 is in power connection with a motor shaft 25, the motor shaft 25 extends downwards into the transmission cavity 20 and is sequentially and fixedly connected with a large bevel gear 26 and a small bevel gear 27, the left cavity wall of the transmission cavity 20 is rotatably connected with a left transmission pipe 31, and the right end of the left transmission pipe 31 extends into the transmission cavity 20 and is fixedly connected with a left bevel gear 30 which is, a vertical bevel gear 32 is rotatably connected to a proper position on the left transmission pipe 31, a connecting ring 33 is fixedly connected to the right end of the vertical bevel gear 32, a bevel gear ring 34 engaged with the large bevel gear 26 is fixedly connected to the right end of the connecting ring 33, polishing shafts 36 are rotatably connected to proper positions of the upper and lower cavity walls of the transmission cavity 20, one ends of the polishing shafts 36, which are close to the symmetry axis, are fixedly connected with the polishing bevel gear 35 engaged with the vertical bevel gear 32, one ends of the polishing bevel gears 35, which are far away from the symmetry axis, extend to the outside and are fixedly connected with a fixed pipe 48, a double-cylinder shock absorption cylinder 47 is hollow and fixedly connected inside the fixed pipe 48, an outer cylinder 59 and an inner cylinder 58, which is opened to one side far away from the symmetry axis, are arranged in the double-cylinder shock absorption cylinder 47, a resistance valve 53 is arranged on one side close to the symmetry axis and communicated with the outer cylinder 59, and a force adjusting valve 54 is arranged at a, the inner cylinder 58 is connected with a piston 55 in a sliding manner at an opening, a sealing ring 52 is fixedly connected with a contact position of the inner cylinder and the piston 55, one end, close to a symmetry axis, of the piston 55 extends into the inner cylinder 58 and is fixedly connected with a racket head 50, the racket head 50 is connected in the inner cylinder 58 in a sliding manner and is fixedly connected with a sliding fluorine ring 51 at a contact position of the racket head and the wall of the inner cylinder 58, the lower end of the piston 55 extends out and is fixedly connected with a spline shaft 57, the spline shaft 57 is connected in the fixed tube 48 in a spline manner, a buffer spring 56 is fixedly connected between the upper end of the spline shaft 57 and the lower end surface of the double-cylinder shock absorption cylinder 47.

Beneficially, a right transmission pipe 29 is rotatably connected to the right cavity wall of the transmission cavity 20, the right transmission pipe 29 extends leftwards into the transmission cavity 20 and is fixedly connected with a right bevel gear 28 engaged with the bevel pinion 27, both left and right ends of the main machine 19 are fixedly connected with rotating rings 14, a rotating cavity 15 with an opening facing the main machine 19 is arranged in each rotating ring 14, a rotating block 18 is rotatably connected to each rotating cavity 15, a rotating cavity 45 is arranged in each rotating block 18, a threaded ring 46 is rotatably connected to each rotating cavity 45, a sliding ring cavity 41 with an opening facing one side of the symmetric axis is further arranged on one side of the rotating cavity 45, close to the symmetric axis, of each rotating block 18, a plurality of connecting holes 42 are arranged between the sliding ring cavity 41, a sliding ring 40 is slidably connected to the sliding ring cavity 41, and a small spring 43 is fixedly connected to one side of the sliding ring cavity 41, far away from the symmetric axis, the sliding ring 40 is fixedly connected with a plurality of braking columns 44 at one side far away from the symmetry axis, and the braking columns 44 are slidably connected in the connecting holes 42, a moving plate 37 is slidably connected in the moving cavity 21, the moving plate 37 passes through the rotating rings 14 at the two ends to extend to the outside, a left trigger block 38 is slidably connected in the left trigger cavity 23, and the lower end of the left trigger block 38 is fixed on the moving plate 37, a right trigger block 39 is connected in the right trigger cavity 22 in a sliding manner, the lower end of the right trigger block 39 is fixedly connected to the moving plate 37, two limiting holes 64 are respectively arranged in the front end surface and the rear end surface of the moving plate 37, the corresponding proper positions in the front and rear cavity walls of the moving cavity 21 are provided with a limiting cavity 61 with an opening towards one side of the symmetry axis, a limiting head 63 is connected in the limiting cavity 61 in a sliding way, and a limiting spring 62 is fixedly connected between the end face of one end of the limiting head 63 far away from the symmetry axis and the cavity wall of one end of the limiting cavity 61 far away from the symmetry axis.

Beneficially, the outer ring of the rotating ring 14 is further rotatably connected with a fixed ring 13, the front end and the rear end of the rotating ring 14 are provided with a position limiting cavity 65 with an opening towards one side far away from the symmetry axis, the fixed ring 13 is also provided with a corresponding position limiting hole 68 at a corresponding position, a position limiting block 67 is slidably connected in the position limiting cavity 65, a position limiting spring 66 is fixedly connected between the end surface close to one end of the symmetry axis and the cavity wall of the position limiting cavity 65 at one side close to the symmetry axis, both sides of the upper end of the base 11 are fixedly connected with baffles 12, a plurality of hanging levers 17 are fixedly connected between the baffles 12, the hanging levers 17 pass through the fixed ring 13 and form a sliding connection with the fixed ring 13, a screw shaft 16 is fixedly connected between the baffles 12 at both sides, and the screw shaft 16 passes through the rotating block 18 and the left transmission pipe 31 and the right transmission pipe 29 and the rotating ring 14 without contacting with them, the threaded ring 46 is in transmission threaded connection with the threaded shaft 16.

Sequence of mechanical actions of the whole device: 1: in a standby state, the buffer spring 56 is relaxed to enable the spline shaft 57 at the lower side position to be positioned at the lowest end of the stroke, the corresponding racket head 50 is also positioned at the lower side position of the inner cylinder 58, the motor 24 is started, the motor shaft 25 rotates to drive the connecting ring 33 through the large bevel gear 26 and the bevel gear ring 34, the connecting ring 33 drives the grinding shaft 36 through the vertical bevel gear 32 and the grinding bevel gear 35, the grinding shaft 36 rotates to drive the spline shaft 57 to rotate through the fixed pipe 48, and the grinding disc 60 rotates to grind the workpiece; 2: the motor shaft 25 rotates to drive the left bevel gear 30 and the right bevel gear 28 respectively through the small bevel gear 27 to drive the left transmission pipe 31 and the right transmission pipe 29 to rotate, the left transmission pipe 31 and the right transmission pipe 29 respectively drive the left rotating block 18 and the right rotating block 18 to rotate, when the moving plate 37 is positioned at the left side, the left trigger block 38 presses down the sliding ring 40 to enable the brake column 44 to be tightly attached to the threaded ring 46 to prevent the relative rotation between the threaded ring 46 and the rotating block 18 to enable the threaded ring 46 to rotate along with the rotating block 18, the threaded ring 46 rotates on the rotating block 18 to move to the left, when the moving stroke reaches the leftmost end, the baffle plate 12 at the left side presses the moving plate 37 to the right side to enable the left trigger block 38 not to contact with the sliding ring 40 any more, the right trigger block 39 presses down the sliding ring 40 at the right side to enable the threaded ring 46 at the right side to rotate along with the rotating block 18 at the, therefore, the threaded ring 46 drives the whole main machine 19 to move towards the right, when the main machine moves to the rightmost side of the stroke, the right baffle 12 presses the moving plate 37 towards the left, and the main machine 19 reciprocates back and forth to drive the polishing disc 60 to polish the right from the left; 3: when the polishing disc 60 generates vibration during polishing, the buffer spring 56 buffers the vibration, meanwhile, the spline shaft 57 vibrates up and down to drive the piston 55 to move up and down, the clapper 50 moves up and down in the inner cylinder 58, so that oil in the inner cylinder 58 flows into the outer cylinder 59 from the inner cylinder 58 through the resistance valve 53 and the force regulating valve 54 and then flows back to the inner cylinder 58, the oil pressure is regulated through the resistance valve 53 and the force regulating valve 54 to enable the double-cylinder damping cylinder 47 and the piston 55 to provide stable damping during stretching, and therefore vibration generated by the polishing disc 60 is relieved, and the polishing disc 60 is enabled to be always and evenly attached to a workpiece to be polished; 4: the main machine 19 can be manually rotated to change the positions of the upper and lower polishing disks 60 so as to change the mesh number of the polishing disks 60.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a take absorbing multi-functional electronic grinding tool, includes base and host computer, its characterized in that: the main machine is provided with a transmission cavity, a moving cavity which is positioned below the transmission cavity and has two open ends, a left trigger cavity which is positioned on the left side of the transmission cavity and is communicated with the moving cavity, and a right trigger cavity which is positioned on the right side of the transmission cavity and is communicated with the moving cavity, a motor is fixedly connected in the upper cavity wall of the transmission cavity, the motor is in power connection with a motor shaft, the motor shaft extends downwards into the transmission cavity and is sequentially and fixedly connected with a large bevel gear and a small bevel gear, the left cavity wall of the transmission cavity is in rotary connection with a left transmission pipe, the right end of the left transmission pipe extends into the transmission cavity and is fixedly connected with a left bevel gear meshed with the small bevel gear, a vertical bevel gear is also in rotary connection at a proper position on the left transmission pipe, the right end of the vertical bevel gear is fixedly connected with a connecting ring, and the right end of the connecting ring, the proper positions of the upper cavity wall and the lower cavity wall of the transmission cavity are both rotationally connected with a grinding shaft, one end of the grinding shaft close to the symmetrical shaft is both fixedly connected with a grinding bevel gear meshed with the vertical bevel gear, one end of the grinding bevel gear far away from the symmetrical shaft extends to the outside and is fixedly connected with a fixed pipe, the fixed pipe is hollow and is fixedly connected with a double-cylinder damping cylinder, the double-cylinder damping cylinder is internally provided with an outer cylinder and an inner cylinder with an opening towards one side far away from the symmetrical shaft, one side of the inner cylinder close to the symmetrical shaft is provided with a resistance valve communicated with the outer cylinder, the proper position of the inner cylinder at one side of the symmetrical shaft is provided with a force regulating valve communicated with the outer cylinder, the inner cylinder is slidably connected with a piston at the opening and is fixedly connected with a sealing ring at a contact part with the piston, one end of the piston close to the symmetrical shaft extends into the inner cylinder and is fixedly connected with a clapper, the clapper is slidably, the piston lower extreme stretches out and fixedly connected with integral key shaft, integral key shaft splined connection be in the fixed tube, integral key shaft upper end with fixedly connected with buffer spring between the terminal surface under the double-cylinder shock attenuation jar, integral key shaft lower extreme fixedly connected with grinds the dish.

2. The multi-functional electric sanding tool with shock absorption of claim 1 wherein: a right transmission pipe is connected in the right cavity wall of the transmission cavity in a rotating mode, the right transmission pipe extends into the transmission cavity leftwards and is fixedly connected with a right bevel gear meshed with the bevel pinion, the left end and the right end of the host are fixedly connected with rotating rings, rotating cavities with openings facing the host are arranged in the rotating rings, rotating blocks are connected in the rotating cavities in a rotating mode, rotating cavities are arranged in the rotating blocks, threaded rings are connected in the rotating cavities in a rotating mode, sliding ring cavities with openings facing the symmetric shafts are further arranged on the rotating blocks on the sides, close to the symmetric shafts, of the rotating cavities, a plurality of connecting holes are formed between the sliding ring cavities and the rotating cavities in a connecting mode, sliding rings are connected in the sliding ring cavities in a sliding mode, small springs are fixedly connected between the sliding rings and the side, far away from the symmetric shafts, of the sliding rings on the sides, far away from the symmetric shafts, of the sliding rings are fixedly, just braking post sliding connection be in the connecting hole, sliding connection has the movable plate in the removal chamber, the movable plate passes the rolling circle at both ends and stretches out to the outside, sliding connection has left trigger block just in the left side trigger chamber left side trigger block lower extreme is fixed on the movable plate, sliding connection has right trigger block just in the right side trigger chamber right side trigger block lower extreme fixed connection is on the movable plate, all be equipped with two spacing holes in the both ends face around the movable plate, correspond it all is equipped with the spacing chamber of opening to symmetry axis one side to remove the intracavity suitable position in the chamber wall around, sliding connection has spacing head in the spacing chamber, just symmetry axis one end terminal surface is kept away from to spacing head with spacing spring of fixedly connected with between the chamber wall of keeping away from symmetry axis one end in spacing chamber.

3. The multi-functional electric sanding tool with shock absorption of claim 1 wherein: the outer ring of the rotating ring is also rotationally connected with a fixed ring, the front end and the rear end of the rotating ring are provided with a position limiting cavity with an opening towards one side far away from the symmetry axis, the fixing rings are also provided with corresponding position limiting holes at corresponding positions, the position limiting cavities are connected with position limiting blocks in a sliding way, a position limiting spring is fixedly connected between the end surface of one end of the position limiting block close to the symmetry axis and the cavity wall of one side of the position limiting cavity close to the symmetry axis, the two sides of the upper end of the base are fixedly connected with baffle plates, a plurality of hanging bars are fixedly connected between the baffle plates, the suspension bar penetrates through the fixing ring and is in sliding connection with the fixing ring, a screw shaft is fixedly connected between the baffles at two sides, the screw shaft penetrates through the rotating block, the left transmission pipe, the right transmission pipe and the rotating ring and is not in contact with the rotating block, and the threaded ring is in transmission threaded connection with the screw shaft.