CN215748345U - Flexible floating polishing head for concave-convex curved surface - Google Patents

Flexible floating polishing head for concave-convex curved surface Download PDF

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Publication number
CN215748345U
CN215748345U CN202121494253.0U CN202121494253U CN215748345U CN 215748345 U CN215748345 U CN 215748345U CN 202121494253 U CN202121494253 U CN 202121494253U CN 215748345 U CN215748345 U CN 215748345U
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piece
polishing
rotating shaft
workpiece
mounting
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李钦生
杨海卉
叶红辉
黄勇
邢杰
华仁兵
王健
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Anhui Technical College of Mechanical and Electrical Engineering
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Anhui Technical College of Mechanical and Electrical Engineering
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Abstract

The utility model belongs to the technical field of polishing equipment, and particularly relates to a flexible floating polishing head for a concave-convex curved surface, which comprises a polishing part, a mounting part and a connecting piece, wherein the polishing part is arranged on the mounting part; according to the utility model, the grinding piece is abutted against the surface of the workpiece through the elasticity of the elastic piece, the first motor drives the second rotating shaft to rotate, so that the grinding piece rotates, and further the grinding piece grinds the surface of the workpiece, meanwhile, the robot drives the floating grinding head to move along the surface of the workpiece, so that all the surfaces of the workpiece are ground, in the moving process, the elasticity of the elastic piece enables the first rotating shaft to always generate an acting force far away from the installation piece, and further, the extending distance of the first rotating shaft is automatically controlled according to the convex-concave condition of the surface of the workpiece, so that the grinding piece floats according to the concave-convex condition of the surface of the workpiece, further, the grinding piece is abutted against the groove and the protrusion of the surface of the workpiece, further, the grinding piece polishes the groove and the protrusion, and further, the grinding of the concave-convex curved surface of the workpiece is realized.

Description

Flexible floating polishing head for concave-convex curved surface
Technical Field
The utility model belongs to the technical field of polishing equipment, and particularly relates to a flexible floating polishing head for a concave-convex curved surface.
Background
With the development of industry, the quality of the surface of a workpiece is higher and higher, many workpieces need to be polished to change the roughness of the surface, polishing is one of surface modification technologies, generally refers to a processing method for changing the physical properties of the surface of a material by friction by means of abrasive paper containing high-hardness particles and the like of a rough object, and mainly aims to obtain specific surface roughness, and a robot is often used for driving a polishing head to polish the workpiece during polishing.
The existing polishing head has poor applicability, is mostly only suitable for plane polishing, and can not realize the polishing of the surface of a workpiece when the surface of the workpiece is uneven.
SUMMERY OF THE UTILITY MODEL
In order to make up for the defects of the prior art, the utility model provides a flexible floating polishing head for concave-convex curved surfaces. The utility model is mainly used for solving the problem that the surface of a workpiece cannot be polished when the surface of the workpiece is uneven due to poor applicability of the conventional polishing head.
The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides a flexible floating polishing head for concave-convex curved surfaces, which comprises a polishing part, a mounting part and a connecting piece, wherein the polishing part is arranged on the mounting part; one end of the mounting piece is provided with the grinding parts at intervals; the polishing component comprises a first rotating shaft, a polishing piece, a first gear and an elastic piece; mounting grooves are formed in the end face of one end of the mounting piece at intervals; the first rotating shaft is arranged in the mounting groove; the first rotating shaft is in clearance fit with the mounting groove; one end of the first rotating shaft is provided with the polishing piece; the grinding piece is connected with the first rotating shaft; one end of the first rotating shaft is provided with an annular clamping groove; the annular clamping groove is arranged close to the polishing piece; an elastic check ring is arranged in the annular clamping groove; the elastic check ring is connected with the annular clamping groove in a clamping manner; the first rotating shaft is provided with the elastic piece; one end of the elastic piece is abutted against the end face of the mounting piece; the other end of the elastic piece is abutted against the side face of the elastic check ring; the first rotating shaft is driven by the first gear; the first gear is sleeved on the first rotating shaft; the inner wall of the first gear is uniformly provided with convex structures at intervals; a key groove is formed in the position, corresponding to the protruding structure, of the first rotating shaft; the protruding structure is clamped in the key groove; a second rotating shaft is arranged in the mounting piece; the second rotating shaft is rotatably connected with the mounting piece; one end of the second rotating shaft is provided with a second gear; the second gear is fixedly connected with the second rotating shaft; the second gear is meshed with one of the first gears; a first motor is arranged on the mounting part; the first motor is fixedly connected with the mounting piece; the rotating shaft of the first motor is fixedly connected with the second rotating shaft; the connecting piece is arranged on one side of the mounting piece; the mounting piece is connected with the connecting piece; the connecting piece is connected with the moving part of the robot.
When the floating polishing machine works, the connecting piece of the floating polishing head is connected with the moving part of the robot, the elastic force of the elastic piece enables the first rotating shaft to generate acting force moving towards the surface of a workpiece, further the polishing pieces are abutted against the surface of the workpiece, after all the polishing pieces are abutted against the surface of the workpiece, the first motor drives the second rotating shaft to rotate, further the second gear is driven to rotate, further the first gear is driven to rotate, further all the polishing pieces are driven to rotate, further the polishing pieces polish the surface of the workpiece, meanwhile, the robot drives the floating polishing head to move along the surface of the workpiece, further all the polishing pieces move along the surface of the workpiece, further all the surfaces of the workpiece are polished, further the surface of the workpiece is polished, in the moving process, the elastic force of the elastic piece enables the first rotating shaft to generate acting force far away from the mounting piece all the time, the extending distance of the first rotating shaft is automatically controlled according to the convex-concave condition of the surface of the workpiece, so that the polishing piece floats according to the convex-concave condition of the surface of the workpiece, the polishing piece is abutted against the groove and the protrusion of the surface of the workpiece, the polishing piece polishes the groove and the protrusion, the groove and the protrusion are polished, polishing of the concave-convex curved surface of the workpiece is achieved, and polishing quality of the workpiece is improved; the existing polishing head is poor in applicability, mostly only suitable for plane polishing, and polishing of the surface of a workpiece can not be achieved when the surface of the workpiece is uneven, and a polishing piece of the floating polishing head floats according to the concave-convex condition of the surface of the workpiece, so that the polishing piece polishes concave-convex positions, polishing of concave-convex curved surfaces of the workpiece is achieved, and polishing quality of the workpiece is improved.
Preferably, the mounting part is connected with the connecting part through a first sliding block; the first sliding block is arranged on the connecting piece; one end of the first sliding block is fixedly connected with the connecting piece; the other end of the first sliding block is provided with a cylindrical structure; a first sliding groove is formed in the mounting piece; the first sliding groove is connected with the first sliding block in a sliding mode; the outer cylindrical surface of the cylindrical structure is abutted against the bottom surface of the first sliding groove; a second spring is arranged on one side of the first sliding block; one end of the second spring is fixedly connected with the mounting piece; the other end of the second spring abuts against the side face of the first sliding block; a third spring is arranged on the other side of the first sliding block; one end of the third spring is fixedly connected with the connecting piece; the other end of the third spring is abutted against the side face of the first sliding block.
By arranging the cylindrical structure, the cylindrical structure can slide in the first sliding groove, and meanwhile, the cylindrical structure can rotate in the first sliding groove, so that the mounting part moves and rotates relative to the connecting part, the mounting part floats, the floating effect of the polishing part is increased, and the polishing quality of the workpiece is improved; when the motion trail of the floating polishing head driven by the robot is not matched with the curved surface of the workpiece, the first rotating shaft is not perpendicular to the surface of the workpiece, the acting force of the workpiece on the polishing piece is not on the axis of the first rotating shaft, the polishing piece generates an acting force on the first rotating shaft, the first rotating shaft generates an inclined acting force on the side wall of the mounting groove, the side wall of the mounting groove generates an inclined acting force on the first rotating shaft, the first rotating shaft is possibly blocked, the mounting piece can slide and rotate due to the cylindrical structure, the mounting piece is rotated under the inclined acting force of the first rotating shaft on the side wall of the mounting groove, the inclined acting force of the side wall of the mounting groove on the first rotating shaft is further reduced, the blocking probability of the first rotating shaft is further reduced, and the working stability of the first rotating shaft is further improved, thereby realizing the stable work of the floating grinding head.
Preferably, the polishing part of the polishing member is made of an elastic material.
Through the portion of polishing that sets up elastic material and make, and then the portion of polishing can produce the deformation, and then the piece of polishing can produce the deformation, and then increases the area of contact of the piece of polishing and workpiece surface, and then avoids the piece of polishing and workpiece surface to form the point contact, and then avoids forming the small recess in point contact department, and then improves workpiece surface's the quality of polishing.
Preferably, the polishing part of the polishing member is a hollow saccular structure.
Through setting up hollow capsular structure, capsular structure can warp fast, and then increases the deformability of the piece of polishing, and then can warp fast when the piece of polishing is polished unsmooth curved surface, and then makes the piece of polishing laminate with unsmooth curved surface all the time, and then increases the area of contact of the piece of polishing and unsmooth curved surface, and then improves the quality of polishing of unsmooth curved surface, and then improves workpiece surface's the quality of polishing.
Preferably, the sac-shaped structure is filled with a medium; the polishing member is replaceable.
When the grinding piece rotates at the curved surface, the curved surface generates acting force on a sac-shaped structure of the grinding piece, and further generates acting force on a medium in the sac-shaped structure, so that the medium flows, and further the sac-shaped structure deforms, the density of the medium in the sac-shaped structure influences the resistance of the medium flowing, and further influences the deformation capacity of the sac-shaped structure, and further determines the acting force required by the deformation of the sac-shaped structure, and further determines the acting force between the sac-shaped structure and the curved surface, the grinding piece filled with media with different densities is replaced according to the grinding requirement of the workpiece, and further the deformation capacity of the sac-shaped structure is controlled according to the grinding requirement of the workpiece, and further the acting force between the curved surface and the sac-shaped structure is controlled, and further the acting force of the grinding piece on the workpiece is controlled, and further the grinding quality of the concave-convex curved surface is controlled according to the grinding requirement of the workpiece, and further the floating grinding head is suitable for different grinding requirements, thereby improving the application range of the floating polishing head.
Preferably, a threaded hole is formed in the end part of the first rotating shaft; the thread turning direction of the threaded hole is opposite to the rotating direction of the first rotating shaft; one end of the polishing piece is provided with a stud structure; the stud structure is in threaded connection with the threaded hole.
The stud structure is connected with the threaded hole in a threaded manner, the stud structure is screwed in the threaded hole, so that the polishing piece can be installed, the stud structure is screwed out of the threaded hole, the polishing piece can be removed, the polishing piece can be conveniently installed and removed, the polishing piece can be conveniently replaced, the working efficiency of replacing the polishing piece is improved, and the time required for replacing the polishing piece is saved; and the screw thread of screw hole revolves to the rotation opposite direction with an axis of rotation, and then an axis of rotation pivoted in-process makes stud structure more and more tight in threaded hole, and then makes stud structure and screw hole firm connection, and then realizes the firm connection of a piece of polishing and an axis of rotation, and then prevents that the piece of polishing from droing from an axis of rotation, and then realizes the steady operation of the piece of polishing, and then realizes the steady operation of unsteady head of polishing.
Preferably, a circular hole is formed in the polishing piece; the round holes are uniformly arranged at intervals.
By arranging the round hole, the wrench is clamped in the round hole when the polishing piece is installed and removed, so that the polishing piece is convenient to twist, the polishing piece is convenient to install and remove, the polishing piece is convenient to replace, the working efficiency of replacing the polishing piece is improved, and the time for replacing the polishing piece is saved; simultaneously the round hole can dispel the heat, and then improves the radiating effect of the piece of polishing, and then prevents that the time overlength of polishing from causing the temperature to rise too big, and then prevents the high temperature of the piece of polishing, and then prevents that the piece of polishing from influencing the quality of polishing to the work piece because of the high temperature, and then improves the quality of polishing of work piece.
Preferably, the mounting member is a sealed housing structure; a first sealing ring is arranged at the joint of the mounting groove and the first rotating shaft; a second sealing ring is arranged at the joint of the second rotating shaft and the mounting piece; the shell structure is filled with lubricating grease.
Lubricating grease is filled in the sealed shell structure, so that the first gear and the second gear are lubricated by the lubricating grease, the abrasion of the first gear and the second gear is slowed down, the service lives of the first gear and the second gear are prolonged, and the service life of the floating polishing head is prolonged.
The utility model has the following beneficial effects:
1. in the utility model, a connecting piece of a floating polishing head is connected with a moving part of a robot, the elastic force of an elastic piece enables a first rotating shaft to generate acting force moving towards the surface of a workpiece, so that polishing pieces are abutted against the surface of the workpiece, after all polishing pieces are abutted against the surface of the workpiece, a first motor drives a second rotating shaft to rotate, so that a second gear is driven to rotate, so that the first gear is driven to rotate, so that all first gears are driven to rotate, so that all first rotating shafts are driven to rotate, so that all polishing pieces are driven to rotate, so that the polishing pieces polish the surface of the workpiece, meanwhile, the robot drives the floating polishing head to move along the surface of the workpiece, so that all polishing pieces are driven to move along the surface of the workpiece, so that all surfaces of the workpiece are polished, and the polishing of the surface of the workpiece is realized, the elastic force of the elastic piece enables the first rotating shaft to always generate an acting force far away from the mounting piece, so that the extending distance of the first rotating shaft is automatically controlled according to the concave-convex condition of the surface of the workpiece, the polishing piece is enabled to float according to the concave-convex condition of the surface of the workpiece, the polishing piece is enabled to abut against the groove and the protrusion of the surface of the workpiece, the polishing piece polishes the groove and the protrusion, polishing of the groove and the protrusion is achieved, polishing of the concave-convex curved surface of the workpiece is achieved, and polishing quality of the workpiece is improved; the existing polishing head is poor in applicability, mostly only suitable for plane polishing, and polishing of the surface of a workpiece can not be achieved when the surface of the workpiece is uneven, and a polishing piece of the floating polishing head floats according to the concave-convex condition of the surface of the workpiece, so that the polishing piece polishes concave-convex positions, polishing of concave-convex curved surfaces of the workpiece is achieved, and polishing quality of the workpiece is improved.
2. According to the utility model, by arranging the cylindrical structure, the cylindrical structure can slide in the first sliding groove, and meanwhile, the cylindrical structure can rotate in the first sliding groove, so that the mounting part can move and rotate relative to the connecting part, and the mounting part can float, so that the floating effect of the polishing part is increased, and the polishing quality of a workpiece is improved; when the motion trail of the floating polishing head driven by the robot is not matched with the curved surface of the workpiece, the first rotating shaft is not perpendicular to the surface of the workpiece, the acting force of the workpiece on the polishing piece is not on the axis of the first rotating shaft, the polishing piece generates an acting force on the first rotating shaft, the first rotating shaft generates an inclined acting force on the side wall of the mounting groove, the side wall of the mounting groove generates an inclined acting force on the first rotating shaft, the first rotating shaft is possibly blocked, the mounting piece can slide and rotate due to the cylindrical structure, the mounting piece is rotated under the inclined acting force of the first rotating shaft on the side wall of the mounting groove, the inclined acting force of the side wall of the mounting groove on the first rotating shaft is further reduced, the blocking probability of the first rotating shaft is further reduced, and the working stability of the first rotating shaft is further improved, thereby realizing the stable work of the floating grinding head.
3. According to the utility model, the polishing part made of the elastic material is arranged, so that the polishing part can deform, and further the polishing part can deform, so that the contact area between the polishing part and the surface of the workpiece is increased, further the polishing part is prevented from forming point contact with the surface of the workpiece, further a small groove is prevented from being formed at the point contact position, and further the polishing quality of the surface of the workpiece is improved.
4. According to the polishing device, the hollow sac-shaped structure is arranged, the sac-shaped structure can be rapidly deformed, so that the deformation capacity of the polishing piece is increased, the polishing piece can be rapidly deformed when the polishing piece polishes the concave-convex curved surface, the polishing piece is always attached to the concave-convex curved surface, the contact area between the polishing piece and the concave-convex curved surface is increased, the polishing quality of the concave-convex curved surface is improved, and the polishing quality of the surface of a workpiece is improved.
5. When the polishing piece rotates at the curved surface, the curved surface generates acting force on a sac-shaped structure of the polishing piece, further generates acting force on a medium in the sac-shaped structure, further causes the medium to flow, further causes the sac-shaped structure to deform, the density of the medium in the sac-shaped structure influences the resistance of the medium flowing, further influences the deformation capacity of the sac-shaped structure, further determines the acting force required by the deformation of the sac-shaped structure, further determines the acting force between the sac-shaped structure and the curved surface, replaces the polishing piece filled with media with different densities according to the polishing requirement of the workpiece, further controls the deformation capacity of the sac-shaped structure according to the polishing requirement of the workpiece, further controls the acting force between the curved surface and the sac-shaped structure, further controls the acting force of the polishing piece on the workpiece, further controls the polishing quality of the workpiece, and further controls the polishing quality of the concave-convex curved surface according to the polishing requirement of the workpiece, and the floating polishing head is suitable for different polishing requirements, so that the application range of the floating polishing head is further improved.
Drawings
The utility model will be further explained with reference to the drawings.
Fig. 1 is a schematic view of the overall structure of a floating sanding head according to the present invention;
FIG. 2 is a schematic view of the first gear of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2 at A;
fig. 4 is a schematic view of the internal structure of the floating sanding head of the present invention;
FIG. 5 is a schematic view of the internal structure of the mounting member of the present invention;
FIG. 6 is a schematic diagram of the construction of the grinding member of the present invention;
FIG. 7 is a schematic view of the internal structure of the polishing member of the present invention;
in the figure: grinding part 1, No. one axis of rotation 11, keyway 111, grinding 12, saccular structure 121, double-screw bolt structure 122, round hole 123, No. one gear 13, protruding structure 131, elastic component 14, circlip 15, installed part 2, No. two axis of rotation 21, No. two gear 22, No. one motor 23, No. one sliding tray 24, mounting groove 25, No. one sealing washer 26, No. two sealing washers 27, shell structure 28, connecting piece 3, slider 31, cylindrical structure 311, No. two springs 32, No. three spring 33.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.
As shown in fig. 1 to 6, a flexible floating polishing head for concave-convex curved surfaces comprises a polishing part 1, a mounting part 2 and a connecting piece 3; one end of the mounting piece 2 is provided with the grinding parts 1 at intervals; the grinding component 1 comprises a first rotating shaft 11, a grinding piece 12, a first gear 13 and an elastic piece 14; mounting grooves 25 are arranged on the end face of one end of the mounting piece 2 at intervals; the first rotating shaft 11 is arranged in the mounting groove 25; the first rotating shaft 11 is in clearance fit with the mounting groove 25; one end of the first rotating shaft 11 is provided with the grinding piece 12; the grinding piece 12 is connected with the first rotating shaft 11; one end of the first rotating shaft 11 is provided with an annular clamping groove; the annular clamping groove is arranged close to the grinding piece 12; an elastic retainer ring 15 is arranged in the annular clamping groove; the elastic retainer ring 15 is connected with the annular clamping groove in a clamping manner; the elastic piece 14 is arranged on the first rotating shaft 11; one end of the elastic element 14 is abutted against the end face of the mounting element 2; the other end of the elastic element 14 abuts against the side surface of the elastic collar 15; the first rotating shaft 11 is driven by the first gear 13; the first gear 13 is sleeved on the first rotating shaft 11; the inner wall of the first gear 13 is uniformly provided with convex structures 131 at intervals; a key groove 111 is formed in the position, corresponding to the protruding structure 131, of the first rotating shaft 11; the convex structure 131 is clamped in the key slot 111; a second rotating shaft 21 is arranged in the mounting part 2; the second rotating shaft 21 is rotatably connected with the mounting part 2; one end of the second rotating shaft 21 is provided with a second gear 22; the second gear 22 is fixedly connected with the second rotating shaft 21; the second gear 22 is meshed with one first gear 13; a first motor 23 is arranged on the mounting part 2; the first motor 23 is fixedly connected with the mounting part 2; the rotating shaft of the first motor 23 is fixedly connected with the second rotating shaft 21; one side of the mounting piece 2 is provided with the connecting piece 3; the mounting piece 2 is connected with the connecting piece 3; the connecting piece 3 is connected with the moving part of the robot.
When the floating polishing head is in operation, the connecting piece 3 of the floating polishing head is connected with a moving part of a robot, the elastic force of the elastic piece 14 enables the first rotating shaft 11 to generate an acting force moving towards the surface of a workpiece, further the polishing pieces 12 abut against the surface of the workpiece, and after all the polishing pieces 12 abut against the surface of the workpiece, the first motor 23 drives the second rotating shaft 21 to rotate, further drives the second gear 22 to rotate, further drives the first gear 13 to rotate, further drives all the first gears 13 to rotate, further drives all the first rotating shafts 11 to rotate, further drives all the polishing pieces 12 to rotate, further polishes the surface of the workpiece by the polishing pieces 12, and simultaneously the robot drives the floating polishing head to move along the surface of the workpiece, further drives all the polishing pieces 12 to move along the surface of the workpiece, further polishes all the surface of the workpiece, and further polishes the surface of the workpiece, in the moving process, the elastic force of the elastic piece 14 enables the first rotating shaft 11 to generate acting force which is far away from the mounting piece 2 all the time, the extending distance of the first rotating shaft 11 is automatically controlled according to the concave-convex condition of the surface of the workpiece, the polishing piece 12 floats according to the concave-convex condition of the surface of the workpiece, the polishing piece 12 is abutted to the groove and the protrusion of the surface of the workpiece, the polishing piece 12 polishes the groove and the protrusion, the polishing of the groove and the protrusion is achieved, the polishing of the concave-convex curved surface of the workpiece is achieved, and the polishing quality of the workpiece is improved; the present sanding head has poor applicability, is mostly only suitable for plane sanding, and can not realize the sanding of the surface of a workpiece when the surface of the workpiece is uneven, and the sanding part 12 of the floating sanding head floats according to the uneven condition of the surface of the workpiece, so that the sanding part 12 sands the uneven part, and further the sanding of the concave-convex curved surface of the workpiece is realized, and further the sanding quality of the workpiece is improved.
As shown in fig. 2 to 5, the mounting member 2 and the connecting member 3 are connected by a first slider 31; the first sliding block 31 is arranged on the connecting piece 3; one end of the first sliding block 31 is fixedly connected with the connecting piece 3; the other end of the first sliding block 31 is provided with a cylindrical structure 311; a first sliding groove 24 is formed in the mounting part 2; the first sliding groove 24 is connected with the first sliding block 31 in a sliding mode; the outer cylindrical surface of the cylindrical structure 311 abuts against the bottom surface of the first sliding groove 24; a second spring 32 is arranged on one side of the first sliding block 31; one end of the second spring 32 is fixedly connected with the mounting piece 2; the other end of the second spring 32 abuts against the side face of the first sliding block 31; a third spring 33 is arranged on the other side of the first sliding block 31; one end of the third spring 33 is fixedly connected with the connecting piece 3; the other end of the third spring 33 abuts against the side surface of the first sliding block 31.
By arranging the cylindrical structure 311, the cylindrical structure 311 can slide in the first sliding groove 24, and meanwhile, the cylindrical structure 311 can rotate in the first sliding groove 24, so that the mounting piece 2 moves and rotates relative to the connecting piece 3, the mounting piece 2 floats, the floating effect of the polishing piece 12 is increased, and the polishing quality of a workpiece is improved; when the motion track of the floating polishing head driven by the robot is not matched with the curved surface of the workpiece, the first rotating shaft 11 is not perpendicular to the surface of the workpiece, the acting force of the workpiece on the polishing piece 12 is not on the axis of the first rotating shaft 11, the polishing piece 12 generates an acting force on the first rotating shaft 11, the first rotating shaft 11 generates an inclined acting force on the side wall of the mounting groove 25, the side wall of the mounting groove 25 generates an inclined acting force on the first rotating shaft 11, the first rotating shaft 11 is possibly blocked, the mounting piece 2 can slide and rotate due to the cylindrical structure 311, the mounting piece 2 is rotated under the inclined acting force of the first rotating shaft 11 on the side wall of the mounting groove 25, the inclined acting force of the side wall of the mounting groove 25 on the first rotating shaft 11 is further reduced, and the probability of blocking of the first rotating shaft 11 is further reduced, and then improve the stability of a rotation axis 11 work, and then realize the stable work of unsteady head of polishing.
As shown in fig. 6 and 7, the polishing portion of the polishing member 12 is made of an elastic material.
Through the portion of polishing that sets up elastic material and make, and then the portion of polishing can produce the deformation, and then the piece 12 of polishing can produce the deformation, and then increases the area of contact of the piece 12 of polishing and workpiece surface, and then avoids the piece 12 of polishing and workpiece surface to form the point contact, and then avoids forming the small groove in point contact department, and then improves workpiece surface's the quality of polishing.
As shown in fig. 6 and 7, the polishing part of the polishing member 12 is a hollow capsule-like structure 121.
Through setting up hollow saccular structure 121, saccular structure 121 can warp fast, and then increases the deformability of the piece 12 of polishing, and then the piece 12 of polishing can warp fast when polishing 12 and polish unsmooth curved surface, and then makes the piece 12 of polishing laminate with unsmooth curved surface all the time, and then increases the area of contact of the piece 12 of polishing and unsmooth curved surface, and then improves the quality of polishing of unsmooth curved surface, and then improves workpiece surface's the quality of polishing.
As shown in fig. 6 and 7, the capsular structure 121 is filled with a medium; the abrading article 12 is replaceable.
When the polishing member 12 rotates at the curved surface, the curved surface generates acting force on the capsule-shaped structure 121 of the polishing member 12, and further generates acting force on a medium in the capsule-shaped structure 121, so that the medium flows, and further the capsule-shaped structure 121 deforms, the density of the medium in the capsule-shaped structure 121 influences the resistance of the medium flowing, and further influences the deformation capability of the capsule-shaped structure 121, and further determines the acting force required when the capsule-shaped structure 121 deforms, and further determines the acting force between the capsule-shaped structure 121 and the curved surface, the polishing member 12 filled with media of different densities is replaced according to the polishing requirement of the workpiece, and further controls the deformation capability of the capsule-shaped structure 121 according to the polishing requirement of the workpiece, and further controls the acting force between the curved surface and the capsule-shaped structure 121, and further controls the acting force of the polishing member 12 on the workpiece, and further controls the polishing quality of the concave-convex curved surface according to the polishing requirement of the workpiece, and the floating polishing head is suitable for different polishing requirements, so that the application range of the floating polishing head is further improved.
As shown in fig. 6 and 7, a threaded hole is formed at the end of the first rotating shaft 11; the thread turning direction of the threaded hole is opposite to the turning direction of the first rotating shaft 11; one end of the grinding part 12 is provided with a stud structure 122; the stud structure 122 is threadedly connected with the threaded hole.
Through the threaded connection of the stud structure 122 and the threaded hole, the stud structure 122 is screwed in the threaded hole to realize the installation of the polishing part 12, the stud structure 122 is screwed out of the threaded hole to realize the removal of the polishing part 12, so that the installation and the removal of the polishing part 12 are facilitated, the replacement of the polishing part 12 is facilitated, the work efficiency of replacing the polishing part 12 is improved, and the time required for replacing the polishing part 12 is saved; and the screw thread of screw hole revolves to the rotation opposite direction with a axis of rotation 11, and then an axis of rotation 11 pivoted in-process makes stud structure 122 more and more tight in the threaded hole, and then makes stud structure 122 and screw hole firm connection, and then realizes polishing 12 and a firm connection of axis of rotation 11, and then prevents that polishing 12 from coming off from an axis of rotation 11, and then realizes polishing 12's steady operation, and then realizes the steady operation of unsteady polishing head.
As shown in fig. 6 and 7, a circular hole 123 is formed on the grinding member 12; the circular holes 123 are uniformly spaced.
By arranging the round hole 123, the wrench is clamped in the round hole 123 when the polishing part 12 is installed and removed, so that the polishing part 12 is convenient to twist, the polishing part 12 is convenient to install and remove, the polishing part 12 is convenient to replace, the working efficiency of replacing the polishing part 12 is improved, and the time required for replacing the polishing part 12 is saved; simultaneously the round hole 123 can dispel the heat, and then improves the radiating effect of the piece 12 that polishes, and then prevents that the time overlength of polishing from causing the temperature to rise too big, and then prevents the temperature of the piece 12 that polishes too high, and then prevents that the piece 12 that polishes from influencing the quality of polishing of the piece 12 to the work piece because of the high temperature, and then improves the quality of polishing of work piece.
As shown in fig. 1, 2, 4 and 5, the mounting member 2 is a sealed housing structure 28; a first sealing ring 26 is arranged at the joint of the mounting groove 25 and the first rotating shaft 11; a second sealing ring 27 is arranged at the joint of the second rotating shaft 21 and the mounting part 2; the housing structure 28 is filled with grease.
Through filling lubricating grease in sealed shell structure 28, and then lubricating grease lubricates first gear 13 and No. two gears 22, and then slows down the wearing and tearing of first gear 13 and No. two gears 22, and then prolongs the life of first gear 13 and No. two gears 22, and then the life of extension unsteady head of polishing.
When the floating polishing head is in operation, the connecting piece 3 of the floating polishing head is connected with a moving part of a robot, the elastic force of the elastic piece 14 enables the first rotating shaft 11 to generate an acting force moving towards the surface of a workpiece, further the polishing pieces 12 abut against the surface of the workpiece, and after all the polishing pieces 12 abut against the surface of the workpiece, the first motor 23 drives the second rotating shaft 21 to rotate, further drives the second gear 22 to rotate, further drives the first gear 13 to rotate, further drives all the first gears 13 to rotate, further drives all the first rotating shafts 11 to rotate, further drives all the polishing pieces 12 to rotate, further polishes the surface of the workpiece by the polishing pieces 12, and simultaneously the robot drives the floating polishing head to move along the surface of the workpiece, further drives all the polishing pieces 12 to move along the surface of the workpiece, further polishes all the surface of the workpiece, and further polishes the surface of the workpiece, in the moving process, the elastic force of the elastic piece 14 enables the first rotating shaft 11 to generate acting force which is far away from the mounting piece 2 all the time, the extending distance of the first rotating shaft 11 is automatically controlled according to the concave-convex condition of the surface of the workpiece, the polishing piece 12 floats according to the concave-convex condition of the surface of the workpiece, the polishing piece 12 is abutted to the groove and the protrusion of the surface of the workpiece, the polishing piece 12 polishes the groove and the protrusion, the polishing of the groove and the protrusion is achieved, the polishing of the concave-convex curved surface of the workpiece is achieved, and the polishing quality of the workpiece is improved; the present sanding head has poor applicability, is mostly only suitable for plane sanding, and can not realize the sanding of the surface of a workpiece when the surface of the workpiece is uneven, and the sanding part 12 of the floating sanding head floats according to the uneven condition of the surface of the workpiece, so that the sanding part 12 sands the uneven part, and further the sanding of the concave-convex curved surface of the workpiece is realized, and further the sanding quality of the workpiece is improved.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims (8)

1. The utility model provides a concave-convex curved surface is with flexible head of polishing that floats which characterized in that: comprises a grinding part (1), a mounting part (2) and a connecting piece (3); one end of the mounting piece (2) is provided with the grinding parts (1) at intervals; the grinding part (1) comprises a first rotating shaft (11), a grinding part (12), a first gear (13) and an elastic part (14); mounting grooves (25) are arranged on the end face of one end of the mounting piece (2) at intervals; the first rotating shaft (11) is arranged in the mounting groove (25); the first rotating shaft (11) is in clearance fit with the mounting groove (25); one end of the first rotating shaft (11) is provided with the grinding piece (12); the grinding piece (12) is connected with the first rotating shaft (11); one end of the first rotating shaft (11) is provided with an annular clamping groove; the annular clamping groove is arranged close to the grinding piece (12); an elastic retainer ring (15) is arranged in the annular clamping groove; the elastic retainer ring (15) is connected with the annular clamping groove in a clamping manner; the elastic piece (14) is arranged on the first rotating shaft (11); one end of the elastic piece (14) is abutted against the end face of the mounting piece (2); the other end of the elastic piece (14) is abutted against the side surface of the elastic retainer ring (15); the first rotating shaft (11) is driven by the first gear (13); the first gear (13) is sleeved on the first rotating shaft (11); the inner wall of the first gear (13) is uniformly provided with convex structures (131) at intervals; a key groove (111) is formed in the position, corresponding to the protruding structure (131), of the first rotating shaft (11); the protruding structure (131) is clamped in the key groove (111); a second rotating shaft (21) is arranged in the mounting piece (2); the second rotating shaft (21) is rotatably connected with the mounting piece (2); one end of the second rotating shaft (21) is provided with a second gear (22); the second gear (22) is fixedly connected with the second rotating shaft (21); the second gear (22) is meshed with one first gear (13); a first motor (23) is arranged on the mounting part (2); the first motor (23) is fixedly connected with the mounting part (2); a rotating shaft of the first motor (23) is fixedly connected with the second rotating shaft (21); the connecting piece (3) is arranged on one side of the mounting piece (2); the mounting piece (2) is connected with the connecting piece (3); the connecting piece (3) is connected with the moving part of the robot.
2. The flexible floating polishing head for concave-convex curved surfaces according to claim 1, wherein: the mounting piece (2) is connected with the connecting piece (3) through a first sliding block (31); the first sliding block (31) is arranged on the connecting piece (3); one end of the first sliding block (31) is fixedly connected with the connecting piece (3); the other end of the first sliding block (31) is provided with a cylindrical structure (311); a first sliding groove (24) is formed in the mounting piece (2); the first sliding groove (24) is connected with the first sliding block (31) in a sliding manner; the outer cylindrical surface of the cylindrical structure (311) is abutted against the bottom surface of the first sliding groove (24); a second spring (32) is arranged on one side of the first sliding block (31); one end of the second spring (32) is fixedly connected with the mounting piece (2); the other end of the second spring (32) abuts against the side face of the first sliding block (31); a third spring (33) is arranged on the other side of the first sliding block (31); one end of the third spring (33) is fixedly connected with the connecting piece (3); the other end of the third spring (33) abuts against the side face of the first sliding block (31).
3. The flexible floating polishing head for concave-convex curved surfaces according to claim 2, wherein: the polishing part of the polishing piece (12) is made of elastic materials.
4. The flexible floating sanding head for concave-convex curved surfaces according to claim 3, wherein: the polishing part of the polishing piece (12) is a hollow saccular structure (121).
5. The flexible floating sanding head for concave-convex curved surfaces according to claim 4, wherein: the saccular structure (121) is filled with a medium; the sanding element (12) is replaceable.
6. The flexible floating sanding head for concave-convex curved surfaces according to claim 5, wherein: the end part of the first rotating shaft (11) is provided with a threaded hole; the thread turning direction of the threaded hole is opposite to the turning direction of the first rotating shaft (11); one end of the grinding piece (12) is provided with a stud structure (122); the stud structure (122) is in threaded connection with the threaded hole.
7. The flexible floating sanding head for concave-convex curved surfaces according to claim 6, wherein: a round hole (123) is formed in the grinding piece (12); the round holes (123) are uniformly arranged at intervals.
8. The flexible floating sanding head for concave-convex curved surfaces according to claim 7, wherein: the mounting part (2) is a sealed shell structure (28); a first sealing ring (26) is arranged at the joint of the mounting groove (25) and the first rotating shaft (11); a second sealing ring (27) is arranged at the joint of the second rotating shaft (21) and the mounting piece (2); the shell structure (28) is filled with lubricating grease.
CN202121494253.0U 2021-06-30 2021-06-30 Flexible floating polishing head for concave-convex curved surface Active CN215748345U (en)

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CN202121494253.0U CN215748345U (en) 2021-06-30 2021-06-30 Flexible floating polishing head for concave-convex curved surface

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202121494253.0U CN215748345U (en) 2021-06-30 2021-06-30 Flexible floating polishing head for concave-convex curved surface

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CN215748345U true CN215748345U (en) 2022-02-08

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114932484A (en) * 2022-07-27 2022-08-23 扬州市慧宇科技有限公司 Self-holding and tightening integrated machining and polishing device for special-shaped surface of valve

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114932484A (en) * 2022-07-27 2022-08-23 扬州市慧宇科技有限公司 Self-holding and tightening integrated machining and polishing device for special-shaped surface of valve

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