CN215847533U - Universal flexible polishing grinding head - Google Patents

Abstract

The utility model provides a universal flexible polishing grinding head, comprising: the spring fixing device comprises a fixing disc, a variable angle assembly, a rubber carrier and a plurality of flexible springs, wherein the fixing disc is circular; the rubber carrier is made of flexible materials, is in a circular ring shape, and is parallel to the fixed disc; one end of each flexible spring is annularly fixed on the inner side of the fixed disc; the rubber carrier is arranged at the other end of the flexible spring; two ends of the variable angle component are respectively arranged between the fixed disc and the rubber carrier, and the flexible springs are annularly arranged on the outer side of the variable angle component; the flexible spring and the central variable-angle assembly which are annularly arranged on the outer ring are matched with the rubber carrier, so that the rubber carrier can be always attached to a processed curved surface of a workpiece, the working strength of an operator is reduced, and the polishing effect is improved.

Description

Universal flexible polishing grinding head

Technical Field

The utility model relates to the technical field of polishing equipment, in particular to a universal flexible polishing grinding head.

Background

At present, most of polishing heads sold and used in the market are hard rotating devices, and due to the particularity of the rotating body, particularly when the processed surface is a curved surface, the rotating body is always in linear contact with the polished surface, so that the requirement on manual force is high. The operator feels the dynamics according to the feeling, has operation error, makes the curved surface distortion easily in addition in operation process, has certain operation degree of difficulty, needs operator experience abundant and careful patience.

It is therefore desirable to develop a universally flexible polishing wheel head that is simple to operate.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is as follows: the utility model provides a universal flexible polishing grinding head to solve the technical problems that polishing grinding equipment in the prior art is difficult to operate and inconvenient to machine curved surfaces.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a universally flexible polishing grinding head comprising:

the spring fixing device comprises a fixing disc, a variable angle assembly, a rubber carrier and a plurality of flexible springs, wherein the fixing disc is circular;

the rubber carrier is made of flexible materials, is in a circular ring shape, and is parallel to the fixed disc;

one end of each flexible spring is annularly fixed on the inner side of the fixed disc;

the rubber carrier is arranged at the other end of the flexible spring;

two ends of the variable angle component are respectively arranged between the fixed disc and the rubber carrier, and the flexible springs are annularly arranged on the outer side of the variable angle component; wherein

The outer side face of the rubber carrier can be attached to the processed face in a surrounding mode by pressing the flexible spring and the variable angle assembly.

Preferably, the variable angle assembly comprises: the upper end of the upper universal joint is fixed on the inner side wall of the fixed disc, and the lower end of the upper universal joint is rotatably connected with the lower universal joint;

one end of each movable swing arm is hinged to the lower end of the lower universal joint, the other end of each movable swing arm is slidably arranged on the inner side wall of the rubber carrier, and one movable swing arm corresponds to one flexible spring; wherein

And extruding any movable swing arm to enable the corresponding flexible spring to contract, thereby adjusting the outer side surface of the rubber carrier at the corresponding position to be attached to a processing surface.

Preferably, the movable swing arm includes: the inner part of the cylinder barrel is hollow, and the cylinder barrel is hinged to the lower end of the lower universal joint;

one end of the telescopic rod is arranged in the cylinder barrel in a telescopic mode, and the other end of the telescopic rod is hinged to the supporting pad; the supporting pad is arranged on the inner side wall of the rubber carrier; wherein

The rubber carrier at any position is extruded, and the corresponding telescopic rod can be pushed to contract towards the inside of the cylinder barrel.

Preferably, a plurality of spring supports are arranged on the inner side of the rubber carrier, and the spring supports are annularly arranged on the inner side wall of the rubber carrier at equal intervals; one the spring support corresponds one the supporting pad, the supporting pad sets up the top that the spring supported.

Preferably, the spring support includes: the supporting disc is fixed on the inner side wall of the rubber carrier, and the diameter of the supporting disc is gradually reduced from one end close to the rubber carrier to the other end;

the support column is fixed at one end, far away from the rubber carrier, of the support plate, and a gap is formed between the upper end face of the support column and the lower end face of the support pad.

Preferably, each support column is provided with a rolling groove, each rolling groove is spherical, and each rolling groove corresponds to one support pad.

Preferably, the other end of the flexible spring is fixed at the upper end of the supporting pad;

a connecting rod is fixed at the lower end of the supporting pad, a rolling ball matched with the rolling groove is fixed at the end part of the connecting rod, and one rolling ball is movably arranged in one rolling groove; wherein

When the work piece extrudees the rubber carrier, the ball can support the rubber carrier is laminated work piece machined surface all the time.

Preferably, a clamping shaft is vertically fixed on the outer side of the fixed disc, and the clamping shaft is suitable for being clamped on a three-shaft numerical control machine tool.

Preferably, a polishing ring is detachably arranged on the outer side of the rubber carrier, the diameter of the polishing ring is not larger than that of the rubber carrier, and the polishing ring is suitable for polishing a workpiece.

The utility model has the beneficial effect of providing a universal flexible polishing grinding head, which comprises: the spring fixing device comprises a fixing disc, a variable angle assembly, a rubber carrier and a plurality of flexible springs, wherein the fixing disc is circular; the rubber carrier is made of flexible materials, is in a circular ring shape, and is parallel to the fixed disc; one end of each flexible spring is annularly fixed on the inner side of the fixed disc; the rubber carrier is arranged at the other end of the flexible spring; two ends of the variable angle component are respectively arranged between the fixed disc and the rubber carrier, and the flexible springs are annularly arranged on the outer side of the variable angle component; through the flexible spring that outer lane annular set up and the variable angle subassembly cooperation rubber carrier at central authorities, the terminal surface rubber carrier is the passive angle that changes of variable flexible material along with the shape of the machined surface to make rubber carrier can laminate the machined curved surface of machined part all the time, eliminated the operator because of exerting oneself uneven produced polishing distortion, still reduced operator's working strength simultaneously, improved polishing effect.

Drawings

The utility model is further illustrated with reference to the following figures and examples.

Figure 1 is a schematic structural view of a preferred embodiment of a gimbaled flexible polishing abrasive head of the present invention;

FIG. 2 is an internal perspective view of a gimbaled flexible polishing abrasive head of the present invention;

FIG. 3 is a schematic structural view of the variable angle assembly of the present invention;

FIG. 4 is a schematic structural view of the movable swing arm of the present invention;

FIG. 5 is a schematic view of the structure of the rubber carrier of the present invention.

In the figure:

1. fixing the disc; 11. a clamping shaft; 2. a variable angle assembly; 21. an upper gimbal; 22. a lower gimbal; 23. a movable swing arm; 231. a cylinder barrel; 232. a telescopic rod; 233. a support pad; 2331. a connecting rod; 2332. rolling the beads; 3. a rubber carrier; 31. a spring support; 311. a support disc; 312. a support pillar; 313. a rolling groove; 32. polishing the ring; 4. a flexible spring.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention. On the contrary, the embodiments of the utility model include all changes, modifications and equivalents coming within the spirit and terms of the claims appended hereto.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on the orientations and positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the present invention.

Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

As shown in fig. 1 to 5, the present invention provides a universal flexible polishing grinding head, comprising:

the polishing device comprises a fixed disc 1, a variable angle component 2, a rubber carrier 3 and a plurality of flexible springs 4, wherein the fixed disc 1 is a supporting base of the whole device, and the fixed disc 1 is used for supporting the whole device during workpiece polishing; the two ends of the variable angle component 2 are respectively arranged between the fixed disc 1 and the rubber carrier 3, the variable angle component 2 is used for enhancing the supporting strength of the flexible spring 4, and meanwhile, the bonding strength between the rubber carrier 3 and the workpiece processing surface is increased through supporting in various directions with variable angles, so that the bonding tightness is improved; the rubber carrier 3 is made of a variable flexible material, and the angle of the rubber carrier 3 can be passively changed along with the change of the shape of the processed surface, so that the rubber carrier can be attached to the processed surface in a multi-surface annular mode all the time; the flexible spring 4 mainly increases the stress elasticity between the rubber carrier 3 and the fixed disk 1, and can also ensure the deformation of the rubber carrier 3 and provide certain supporting force. With respect to the above components, detailed description is given below.

Fixing disc 1

The fixed disc 1 is circular; the fixed disc 1 is a supporting base of the whole device, and the fixed disc 1 is used for supporting the whole device during workpiece polishing; and a clamping shaft 11 is vertically fixed on the outer side of the fixed disc 1, and the clamping shaft 11 is suitable for being clamped on a three-shaft numerical control machine tool. Through centre gripping axle 11 can drive 1 circumferential direction of fixed disk, simultaneously centre gripping axle 11 not only can be used for the triaxial digit control machine tool, can also support manual polishing, has improved the commonality of equipment.

Rubber carrier 3

Rubber carrier 3 is flexible material, in order when polishing when rubber carrier 3 adopts flexible variable material, rubber carrier 3 keeps the annular laminating of multiaspect all the time at the in-process of passive deformation by the machined surface to improve the efficiency and the polishing effect of polishing. The rubber carrier 3 is in a circular ring shape, so that a workpiece to be processed can be inserted into the rubber carrier 3, the variable angle of polishing is further improved, and the polishing effect is improved. The rubber carrier 3 and the fixed disc 1 are parallel to each other; the one end vertical fixation of flexible spring 4 is in 1 inside wall of fixed disk, the other end setting of flexible spring 4 is in the inside wall of rubber carrier 3, the setting of flexible spring 4 can increase right the support dynamics of rubber carrier 3, when 3 passive deformations of rubber carrier simultaneously, flexible spring 4 also can give 3 effort of rubber carrier, improves the degree of laminating with the machined surface.

A plurality of spring supports 31 are arranged on the inner side of the rubber carrier 3, the spring supports 31 are annularly arranged on the inner side wall of the rubber carrier 3 at equal intervals, the spring supports 31 are annularly arranged on the inner side of the rubber carrier 3 at equal intervals, on one hand, the spring supports 31 are correspondingly arranged corresponding to the positions of the flexible springs 4, and meanwhile, the spring supports 31 are arranged to increase the supporting strength of all stress points of the rubber carrier 3; one of the spring supports 31 corresponds to one of the support pads 233, and the support pads 233 are disposed above the spring supports 31. The spring support 31 includes: the supporting disc 311 is fixed on the inner side wall of the rubber carrier 3, and the diameter of the supporting disc 311 gradually decreases from one end close to the rubber carrier 3 to the other end; the diameter of the supporting plate 311 is gradually reduced towards one side far away from the rubber carrier 3, so that the size of the supporting plate is reduced while external extrusion force can be transmitted, and the supporting column 312 is conveniently connected with the supporting pad 233.

Each support column 312 is provided with a rolling groove 313, the rolling groove 313 is in a spherical shape, the rolling groove 313 is matched with the rolling beads 2332, one rolling bead 2332 is arranged in one rolling groove 313, a gap is formed between the upper end surface of the support column 312 and the lower end surface of the support pad 233, when the support column 311 is extruded and deformed by external force, the space between the support column 312 and the support pad 233 can ensure that the support column 311 deforms inwards and can play a good supporting effect through the support pad 233, and the fit tightness between the rubber carrier 3 and a processed surface is enhanced.

A polishing ring 32 is detachably arranged on the outer side of the rubber carrier 3, the polishing ring 32 with different precision can be replaced according to different polishing requirements of different workpieces, the diameter of the polishing ring 32 is not larger than that of the rubber carrier 3, and the polishing ring 32 is suitable for polishing the workpieces.

Flexible spring 4

One ends of the flexible springs 4 are annularly fixed on the inner side of the fixed disk 1, and the other ends of the flexible springs 4 are fixed at the upper end of the supporting pad 233; the flexible springs 4 are arranged between the fixed disc 1 and the supporting pads 233, each flexible spring 4 corresponds to one supporting pad 233, the design improves the supporting strength of the rubber carrier 3, when a part of the rubber carrier 3 is extruded and deformed, the flexible springs 4 and the movable swing arms 23 are matched to improve the supporting strength, and the fit tightness between the rubber carrier 3 and a processed surface is improved. When the acting force of the processed surface to the rubber carrier 3 is small, the flexible spring 4 can well support the rubber carrier 3 to enable the rubber carrier to be always tightly attached to the shape fluctuation of the processed surface.

Variable angle assembly 2

Two ends of the variable angle component 2 are respectively arranged between the fixed disc 1 and the rubber carrier 3, and the flexible springs 4 are annularly arranged on the outer side of the variable angle component 2; but variable angle subassembly 2 with flexible spring 4 mutually supports, can further promote the support dynamics to rubber carrier 3, simultaneously the support that can be fine when rubber carrier 3 takes place deformation 3 the cyclic annular laminating of rubber carrier is by the machined surface.

The variable angle assembly 2 includes: the upper universal joint 21 is fixed on the inner side wall of the fixed disc 1, and the lower end of the upper universal joint 21 is rotatably connected with the lower universal joint 22; one end of each of the plurality of movable swing arms 23 is hinged to the lower end of the lower universal joint 22, the other end of each of the plurality of movable swing arms 23 is slidably disposed on the inner side wall of the rubber carrier 3, and one of the movable swing arms 23 corresponds to one of the flexible springs 4; the movable swing arm 23 extends towards the rubber carrier 3 by taking the lower end of the lower universal joint 22 as a starting point; and extruding any movable swing arm 23 to enable the corresponding flexible spring 4 to contract, thereby adjusting the outer side surface of the rubber carrier 3 at the corresponding position to be attached to a processing surface.

The movable swing arm 23 includes: the cylinder barrel 231, the telescopic rod 232 and the supporting pad 233, wherein the cylinder barrel 231 is hollow, and the cylinder barrel 231 is hinged to the lower end of the lower universal joint 22; one end of the telescopic rod 232 is telescopically arranged in the cylinder barrel 231, and the other end of the telescopic rod 232 is hinged to the supporting pad 233; the supporting pad 233 is arranged on the inner side wall of the rubber carrier 3; wherein the rubber carrier 3 at any position is extruded, and the corresponding telescopic rod 232 can be pushed to retract into the cylinder barrel 231. When the supporting pad 233 receives the external force transmitted from the rubber carrier 3, the supporting pad 233 can buffer the external force received by the angle change of the hinge shaft of the telescopic rod 232, and can also disperse the external force received by the telescopic rod 232 by squeezing the telescopic rod 232 into the cylinder barrel 231, thereby achieving the effect of supporting the surface to be processed to which the rubber carrier 3 is attached. A connecting rod 2331 is fixed at the lower end of the support pad 233, a rolling ball 2332 matched with the rolling groove 313 is fixed at the end of the connecting rod 2331, and one rolling ball 2332 is movably arranged in one rolling groove 313; when the work piece extrudees the rubber carrier 3, the ball can support the rubber carrier 3 to be always attached to the work piece processing surface. A connecting rod 2331 is arranged between the rolling ball 2332 and the supporting pad 233, the connecting rod 2331 plays a role of supporting the rolling ball 2332 to move in the rolling groove 313, the connecting rod 2331 also plays a role of separating the supporting pad 233 from the supporting column 312, and when the distance between the supporting column 312 and the supporting pad 233 is greater than the angle change value of the rolling ball 2332 and the rolling groove 313, the supporting column 312 can be subjected to the maximum angle change without being abutted against the end surface of the supporting pad 233.

When the acting force of the processed surface to the rubber carrier 3 is large or the angle change of the processed surface is large, the rubber carrier 3 presses the supporting column 312 to move inwards after being stressed, the external force received by the rolling ball 2332 connected with the supporting column 312 is transmitted to the telescopic rod 232, finally the external force is transmitted to the upper universal joint 21 and the lower universal joint 22 through the cylinder barrel 231, the angle of the upper universal joint 21 and the lower universal joint 22 is passively adjusted along with the left and right force, and the end surface can be ensured to be always attached to the processed surface.

When the processed surface is a plane or a curved inclined surface, the pressure conducted by the end surface of the rubber carrier 3 is always uniform, so that the operation pressure on an operator can be reduced, and the problem of polishing distortion caused by nonuniform force transmission can be avoided.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, a schematic representation of the term does not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations can be made by the worker in the light of the above teachings without departing from the spirit of the utility model. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (9)

1. A universal flexible polishing grinding head, comprising:

the flexible spring type rubber sealing device comprises a fixed disc (1), a variable angle assembly (2), a rubber carrier (3) and a plurality of flexible springs (4), wherein the fixed disc (1) is circular;

the rubber carrier (3) is made of flexible materials, the rubber carrier (3) is annular, and the rubber carrier (3) and the fixed disk (1) are parallel to each other;

one end of each flexible spring (4) is annularly fixed on the inner side of the fixed disc (1);

the rubber carrier (3) is arranged at the other end of the flexible spring (4);

two ends of the variable angle component (2) are respectively arranged between the fixed disc (1) and the rubber carrier (3), and the flexible springs (4) are annularly arranged on the outer side of the variable angle component (2); wherein

The outer side face of the rubber carrier (3) can be attached to the processed surface in a surrounding mode by squeezing the flexible spring (4) and the variable angle assembly (2).

2. A gimbaled flexible polishing grinding head according to claim 1,

the variable angle assembly (2) comprises: the upper universal joint (21), the lower universal joint (22) and the movable swing arms (23), wherein the upper end of the upper universal joint (21) is fixed on the inner side wall of the fixed disc (1), and the lower end of the upper universal joint (21) is rotatably connected with the lower universal joint (22);

one end of each movable swing arm (23) is hinged to the lower end of the lower universal joint (22), the other end of each movable swing arm (23) is slidably arranged on the inner side wall of the rubber carrier (3), and one movable swing arm (23) corresponds to one flexible spring (4); wherein

Any movable swing arm (23) is extruded to enable the corresponding flexible spring (4) to contract, so that the outer side surface of the rubber carrier (3) at the corresponding position is adjusted to be attached to a processing surface.

3. A gimbaled flexible polishing grinding head according to claim 2,

the movable swing arm (23) comprises: the telescopic rod type cylinder barrel comprises a cylinder barrel (231), a telescopic rod (232) and a supporting pad (233), wherein the cylinder barrel (231) is hollow, and the cylinder barrel (231) is hinged to the lower end of the lower universal joint (22);

one end of the telescopic rod (232) is arranged in the cylinder barrel (231) in a telescopic mode, and the other end of the telescopic rod (232) is hinged to the supporting pad (233); the supporting pad (233) is arranged on the inner side wall of the rubber carrier (3); wherein

The rubber carrier (3) at any position is extruded, and the corresponding telescopic rod (232) can be pushed to retract into the cylinder barrel (231).

4. A gimbaled flexible polishing grinding head according to claim 3,

a plurality of spring supports (31) are arranged on the inner side of the rubber carrier (3), and the spring supports (31) are annularly arranged on the inner side wall of the rubber carrier (3) at equal intervals; one spring support (31) corresponds to one support pad (233), and the support pads (233) are arranged above the spring supports (31).

5. A gimbaled flexible polishing grinding head according to claim 4,

the spring support (31) comprises: the supporting disc (311) and the supporting column (312), the supporting disc (311) is fixed on the inner side wall of the rubber carrier (3), and the diameter of the supporting disc (311) is gradually reduced from one end close to the rubber carrier (3) to the other end;

the supporting column (312) is fixed at one end, far away from the rubber carrier (3), of the supporting plate (311), and a gap is formed between the upper end face of the supporting column (312) and the lower end face of the supporting pad (233).

6. A gimbaled flexible polishing grinding head according to claim 5,

each supporting column (312) is provided with a rolling groove (313), the rolling grooves (313) are spherical, and one rolling groove (313) corresponds to one supporting pad (233).

7. A gimbaled flexible polishing grinding head according to claim 6,

the other end of the flexible spring (4) is fixed at the upper end of the supporting pad (233);

a connecting rod (2331) is fixed at the lower end of the supporting pad (233), a rolling ball (2332) matched with the rolling groove (313) is fixed at the end part of the connecting rod (2331), and one rolling ball (2332) is movably arranged in one rolling groove (313); wherein

When the work piece extrudees rubber carrier (3), the ball can support rubber carrier (3) laminates the work piece machined surface all the time.

8. A gimbaled flexible polishing grinding head according to claim 7,

the outer side of the fixed disc (1) is vertically fixed with a clamping shaft (11), and the clamping shaft (11) is suitable for being clamped on a three-axis numerical control machine tool.

9. A gimbaled flexible polishing grinding head according to claim 8,

a polishing ring (32) is detachably arranged on the outer side of the rubber carrier (3), the diameter of the polishing ring (32) is not larger than that of the rubber carrier (3), and the polishing ring (32) is suitable for polishing a workpiece.

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