CN220863662U - Small-size high stability polishing wheel body structure - Google Patents

Abstract

The utility model provides a small-size high stability polishing wheel body structure, includes polishing wheel body (1), polishing consumable (2), will polishing consumable (2) bond terminal surface bonding structure (3) on first terminal surface (101) of polishing wheel body (1), form reference column (11) and support column (12) along axial protrusion on first terminal surface (101) of polishing wheel body (1), reference column (11) are located first terminal surface (101) center to prevent polishing wheel body (1), polishing consumable (2) take place the axle core skew, support column (12) are the atress mode that changes polishing wheel body (1), polishing consumable (2), improve the connection reliability between them; furthermore, the structure of the polishing wheel body (1) is further optimized, the end face (102) of the polishing wheel body (1) limited by the machine table is adjusted to be an inclined conical surface from the plane, and when the polishing liquid is sprayed to the conical surface of the wheel body, the polishing liquid flows away due to the inclination of the conical surface of the contact surface.

Description

Small-size high stability polishing wheel body structure

Technical Field

The utility model relates to the field of clamping of processing wheel bodies, in particular to a polishing wheel body structure with small size and high stability.

Background

As shown in FIG. 1, the polishing wheel body of the conventional five-axis machine is of a T-shaped structure. The end face 101' of the wheel body and one side of the polishing consumable clamping is stuck with a hook of a high-viscosity magic tape, and the back of the polishing consumable is stuck with a back velvet matched with the magic tape. The structure of polishing consumptive material is cylindrical state generally, realizes polishing the replacement of consumptive material through the laminating of back of body fine hair and couple, peels off, and its defect lies in: firstly, circular polishing consumables are easy to deviate from the shaft core of the polishing wheel body in the clamping process. The diameters of the polishing consumable and the polishing wheel body are the same, and in the use process, the positioning effect is achieved through the appearance standard of the polishing consumable and the polishing wheel body, but in the actual production process, the phenomenon that the polishing consumable and the polishing wheel body are deviated often occurs due to the difference of skill level and working attitude of field operators; secondly, the service life of the magic tape is shorter, and the replacement frequency is higher. The magic subsides of current structure are direct to be pasted on polishing wheel body surface, and when equipment main shaft rotated, polishing wheel body passed through the couple of magic subsides with torsion and had the polishing consumptive material of magic subsides back of body fine hair. The hook of the magic tape is connected with the polishing wheel body only through the self-adhesive on the back of the magic tape. Therefore, when the extrusion amount between the polishing consumable and the product to be polished is increased, the torsion between the consumable and the wheel body is also increased, and the falling frequency of the magic tape and the polishing wheel body is further increased.

Disclosure of utility model

The utility model aims to solve the technical problems that the clamping mode of the wheel body and the polishing consumable in the prior art has the defects of eccentricity, unreliable connection and the like, and provides a polishing wheel body structure with small size and high stability.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a structure of small-size high stability polishing wheel body, is including being used for rotatory polishing wheel body under the drive of driving board, be used for along with the polishing wheel body is rotatory in order to polish the polishing consumable, will polish the consumable bond to terminal surface bonding structure on the first terminal surface of polishing wheel body, form reference column and support column along the axial protrusion on the first terminal surface of polishing wheel body, offer on the polishing consumable with the locating hole of reference column matching and with the supporting hole of support column matching, the reference column is located first terminal surface center, the locating hole is located polish consumable center.

Furthermore, in the small-size high-stability polishing wheel body structure, the number of the supporting columns and the supporting holes is multiple, the supporting columns are uniformly distributed around the positioning columns, and the supporting holes are uniformly distributed around the positioning holes.

Furthermore, in the small-size high-stability polishing wheel body structure, the number of the support columns and the support holes is four.

Furthermore, in the small-size high-stability polishing wheel body structure, the supporting holes are blind holes, and the positioning holes are through holes penetrating through the polishing consumable.

Further, in the small-size high-stability polishing wheel body structure, a second end face, opposite to the first end face, of the polishing wheel body is used for playing a role in positioning when being clamped with the driving machine, the second end face is a conical surface, and the radial dimension of the conical surface is gradually reduced along the direction away from the first end face.

Further, in the small-size high-stability polishing wheel body structure, the end face bonding structure comprises a hook and loop, a loop and loop bonding tape, the hook and loop bonding tape avoids the outer Zhou Bangjin of the positioning column and the support column, which are bonded with the first end face and the polishing wheel body through the loop and loop bonding tape, and the loop and loop bonding tape is bonded on one side of the polishing consumable facing the first end face through the loop and loop bonding tape.

Further, in the small-size high-stability polishing wheel body structure, the hook-and-loop fastener comprises a round part matched with the first end face and a plurality of strip-shaped parts uniformly distributed around the round part, the strip-shaped parts are connected with the edges of the round part and extend along the radial direction of the round part, the round part is prevented from being attached to the first end face by the positioning columns and the supporting columns, and the strip-shaped parts are bent to be attached to the periphery of the polishing wheel body along the axial direction of the polishing wheel body and are tightly bound by the hook-and-loop fastener.

Furthermore, in the small-size high-stability polishing wheel body structure, a central through hole for the positioning column to pass through is formed in the center of the round part, and a plurality of edge through holes distributed around the central through hole for the support columns to pass through are also formed in the round part.

Furthermore, in the small-size high-stability polishing wheel body structure, a circle of grooves for arranging the magic tape strips are formed in the periphery of the polishing wheel body.

Further, in the small-size high-stability polishing wheel body structure, the polishing consumable is a cylindrical sponge with the radial size consistent with the radial size of the first end face.

The small-size high-stability polishing wheel body structure has the following beneficial effects: according to the utility model, the first end face of the polishing wheel body is axially protruded to form the positioning column and the supporting column, so that positioning and supporting of the polishing consumable and the polishing consumable are realized, the centering positioning column is used for preventing the polishing consumable and the polishing wheel body from generating axial core deviation, so that the polishing consumable and the polishing wheel body can be placed in the middle, the other supporting column is used for changing the stress mode of the polishing consumable and the polishing wheel body, the torque force caused by rotation of the main shaft is transmitted to the polishing consumable, the end face bonding structure is mainly responsible for connection in the axial direction, and therefore, the connection reliability between the polishing consumable and the polishing wheel body is improved, the dropping frequency of the polishing consumable is reduced, the primary yield of product processing is improved, and meanwhile, the time for equipment shutdown to replace the polishing consumable is reduced; furthermore, the structure of the polishing wheel body is further optimized, the end face of the polishing wheel body limited by the machine table is adjusted to be an inclined conical surface from a plane, and when the polishing liquid is sprayed to the conical surface of the wheel body, the polishing liquid flows away due to the inclination of the conical surface of the contact surface.

Drawings

For a clearer description of an embodiment of the utility model or of a technical solution in the prior art, the drawings that are needed in the description of the embodiment or of the prior art will be briefly described, it being obvious that the drawings in the description below are only embodiments of the utility model, and that other drawings can be obtained, without inventive effort, by a person skilled in the art from the drawings provided:

FIG. 1 is a schematic view of a conventional polishing wheel body structure;

FIG. 2 is a schematic view of the assembly process of the small-sized and high-stability polishing wheel body structure of the present utility model;

FIG. 3 is a schematic view of the structure of the polishing wheel body;

FIG. 4 is a schematic structural view of a sponge;

FIG. 5 is a cross-sectional view of a sponge;

fig. 6 is a schematic structural view of a hook for a velcro.

Detailed Description

Aiming at the defects of eccentricity, unreliable connection and the like existing in the mode that the wheel body and the polishing consumable in the prior art are connected only by means of magic tape, the small-size high-stability polishing wheel body structure provided by the utility model is characterized in that the polishing wheel body and the polishing consumable are not connected only by means of magic tape, but also are connected with each other only by means of magic tape: on the one hand, a positioning column and a support column are formed on the first end face of the polishing wheel body in an axially protruding mode to realize positioning and supporting of the polishing consumable, the centering positioning column is used for preventing the polishing consumable and the polishing wheel body from axial core offset, so that the polishing consumable can be placed in the middle of the polishing wheel body, and the other support column is used for changing the stress mode of the polishing consumable and the polishing wheel body and transmitting torsion caused by rotation of a main shaft to the polishing consumable; on the other hand, the end face bonding structure is only responsible for bonding the polishing consumable onto the end face of the polishing wheel body, namely, the connection in the axial direction is mainly responsible for not responsible for torque force transmission, so that the connection reliability between the polishing consumable and the polishing wheel body is improved, the dropping frequency of the polishing consumable is reduced, the one-time yield of product processing is improved, and meanwhile, the time for replacing the polishing consumable by stopping equipment is reduced. Furthermore, the structure of the polishing wheel body is further optimized, the end face of the polishing wheel body limited by the machine table is adjusted to be an inclined conical surface from a plane, and when the polishing liquid is sprayed to the conical surface of the wheel body, the polishing liquid flows away due to the inclination of the conical surface of the contact surface.

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Exemplary embodiments of the present utility model are illustrated in the accompanying drawings. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. It should be understood that the embodiments of the present utility model and the specific features in the embodiments are detailed descriptions of the technical solutions of the present utility model, and not limited to the technical solutions of the present utility model, and the embodiments of the present utility model and the technical features in the embodiments may be combined with each other without conflict.

Referring to fig. 2, the small-sized and high-stability polishing wheel body structure of the present embodiment includes a polishing wheel body 1 for rotating under the drive of a driving machine, a polishing consumable 2 for rotating with the polishing wheel body 1 to polish the polishing consumable, and an end face bonding structure 3 for bonding the polishing consumable 2 to a first end face 101 of the polishing wheel body 1.

Specifically, referring to fig. 3, the polishing wheel body 1 includes a first end face 101 and a second end face 102 opposite to the first end face 101, and the center of the second end face 102 protrudes to form a connecting shaft 14, and the connecting shaft 14 is used for clamping with a machine locking nozzle of a driving machine. The second end surface 102 of the polishing wheel body 1 is used for playing a positioning role in clamping with the driving machine. Referring to fig. 1, a stepped end face 102 'is arranged on one side of the clamping of the existing wheel body and the machine, the stepped end face 101' is clamped with a port of the polishing wheel body through a locking nozzle of a polishing machine, the stepped end face 101 'plays a role in positioning, the fact that the clamping length of the polishing wheel body is different is avoided, the stepped end face 102' is a flat surface, polishing liquid can be sprayed to the surface of a polishing consumable 2 and the surface of the polishing wheel body 1 in the machining process of equipment, and when a main shaft of the machine stops rotating, the polishing liquid can stay on the surface of the polishing wheel body 1, so that the polishing liquid is precipitated and crystallized on the surface of the wheel body 1. When the old polishing liquid crystal falls in the machine table, the large-particle crystal can be brought to the surface of the product through the reciprocation of the circulating system, so that defects such as scratches, indentations and the like are caused. For this reason, the stepped end face 102' in fig. 1 is modified in this embodiment to be a tapered face, and the radial dimension of the tapered face is gradually reduced in the direction away from the first end face 101, that is, the second end face 102 in this embodiment, so that the polishing liquid flows away due to the inclination of the tapered face of the contact surface when being sprayed onto the tapered face of the polishing wheel body 1.

The first end face 101 of the polishing wheel body 1 is a circular end face, a positioning column 11 and a supporting column 12 are formed on the first end face 101 in a protruding mode along the axial direction, the positioning column 11 is located at the center of the first end face 101, the number of the supporting columns 12 is four, the four supporting columns 12 encircle the positioning column 11 and are evenly distributed, of course, the number of the supporting columns 12 can be other numbers, and the embodiment is only an example.

Referring to fig. 4-5, in this embodiment, the polishing pad 2 is embodied as a cylindrical sponge, and the radial dimension of the sponge is identical to the radial dimension of the first end surface 101. The center of the sponge is provided with a positioning hole 21 matched with the positioning column 11, the sponge is also provided with four supporting holes 22 matched with the four supporting columns 12, and the four supporting holes 22 are uniformly distributed around the positioning hole 21. The number of support holes 22 corresponds to the number of support columns 12, so when the number of support columns 12 is changed, the number of support holes 22 is changed accordingly. The supporting hole 22 is a blind hole, and the positioning hole 21 is a through hole penetrating the polishing consumable 2.

Referring to fig. 6, in this embodiment, the end face bonding structure 3 is a magic tape, and includes a hook 31, a hook back velvet 32 and a hook tape 33, the hook 31 avoids the positioning post 11 and the support post 12 from being attached to the first end face 101 and passing through the hook tape 33 and the outer Zhou Bangjin of the polishing wheel body 1, the hook back velvet 32 is attached to the polishing consumable 2 by a self-adhesive of the hook tape to face one side of the first end face 101, and one side of the polishing consumable 2 facing away from the first end face 101 is one side of polishing action.

Referring to fig. 6, in detail, the hook and loop fastener 31 includes a circular portion 311 matching the first end surface 101 and a plurality of bar portions 312 uniformly distributed around the circular portion 311. The strip-shaped portion 312 is connected with the edge of the circular portion 311 and extends along the radial direction of the circular portion 311, the circular portion 311 is attached to the first end face 101 while avoiding the positioning column 11 and the support column 12, specifically, a central through hole 3111 through which the positioning column 11 passes is formed in the center of the circular portion 311, and a plurality of edge through holes 3112 distributed around the central through hole 3111 and through which a plurality of support columns 12 pass are formed in the circular portion 311. The strip-shaped part 312 is bent to be tightly attached to the outer circumference of the polishing wheel body 1 along the axial direction of the polishing wheel body 1 and is tightly bound by the magic tape 33, more specifically, with continued reference to fig. 3, the outer circumference of the polishing wheel body 1 is provided with a circle of grooves 13 in which the magic tape 33 is arranged, and the magic tape 33 tightens the strip-shaped part 312 in the grooves 13.

In this embodiment, the diameter of the polishing wheel body 1 is 50mm, the axial length is 68mm, the dimension of the connecting shaft 14 is 10mm in diameter and 20mm in length H, the included angle between the second end face 102 and the first end face 101 of the polishing wheel body 1 is 27 degrees, the width of the groove 13 is 5mm, the depth is 2mm, the dimension of the positioning column 11 is 11mm in diameter and 8mm in length, and the dimension of the supporting column 12 is 5.1mm in diameter and 5mm in length. The diameter of the circular portion 311 of the hook-and-loop fastener 31 is 50mm, the eight strip-shaped portions 312 are rectangular with a diameter of 25.32 x 8mm, the diameter of the central through hole 3111 is 11.4mm, and the diameter of the edge through hole 3112 is 5.5mm. The polishing consumable 2 had a diameter of 50, a thickness of 20mm, a center positioning hole 21 having a diameter of 10mm, and a support hole 22 having a diameter of 5mm.

With continued reference to fig. 2, the assembly process of the present embodiment is:

Step 1: and assembling the polishing wheel body 1 and the magic tape 3. And cleaning the polished wheel body 3, and stripping the release film which meets the specification of the magic tape 3. As shown in fig. 2 (a) and (b), the positioning posts 11 of the polishing wheel body 1 are passed through the central through holes 3111 on the circular portion 311, the four support posts 12 of the polishing wheel body 1 are passed through the four edge through holes 3112 on the circular portion 311, the circular portion 311 of the hook-and-loop 31 is attached to the first end face 101 of the polishing wheel body 1 in a flat contact position, then the strip-shaped portion 312 of the hook-and-loop 31 is bent to be attached to the periphery of the polishing wheel body 1 along the axial direction of the polishing wheel body 1, and when the strip-shaped portion 312 is completely attached to the periphery of the polishing wheel body 1, the strip-shaped portion 312 is further fixed by tightening the positions of the grooves 13 along the edge of the polishing wheel body 3 by using the hook-and-loop tape 33;

And 2, clamping the polishing wheel body 1. The pressing cap and the locking nozzle are combined firstly and then are pre-installed on the machine. The connecting shaft 14 of the combined polishing wheel body 1 is poked into a lock nozzle pre-installed on a machine table, and the polishing wheel body 1 is locked on the machine table by utilizing a wrench to twist a press cap;

And 3, mounting the polishing consumable 2. As shown in fig. 2 (c), the magic tape backing velvet 32 on one side of the polishing consumable 2 is adhered to the magic tape hook 31, and at the same time, the positioning posts 11 of the polishing wheel body 1 are inserted into the positioning holes 21 in the center of the polishing consumable 2, and the four support posts 12 of the polishing wheel body 1 are inserted into the four support holes 22 of the polishing consumable 2.

And 4, setting the zero point of the polishing consumable 2. According to the programmed workpiece zero point, the height of the end part of the polishing consumable 2 is adjusted on the machine to be overlapped with the programmed workpiece zero point;

And 5, processing a product. Setting processing parameters, starting a motor and starting to process a product;

And 6, replacing the polishing consumable 2. After the service life of the polishing consumable 2 is finished, the polishing consumable 2 is directly pressed against the sticking position of the hook 31 of the magic tape, and the polishing consumable 2 is directly peeled off from the surface of the polishing wheel body 1.

The working principle of the embodiment is as follows: during installation, the concentricity of the polishing wheel body 1 and the polishing consumable 2 can be ensured through the positioning column 11; in the rotation process of the main shaft of the equipment, the torque generated by the rotation of the polishing wheel body 1 is transmitted to the polishing consumable 2 through four support columns 12, the failure mode of the magic tape is pulling in the axial direction, and the magic tape and the polishing consumable 2 only have axial extrusion force in the processing process of the polishing consumable 2, so that the problem that the polishing consumable 2 falls off due to the torque transmitted by the polishing wheel body 1 and the polishing consumable 2 through the magic tape is avoided. Further, the end face 102 of the polishing wheel body 1 limited by the machine table is adjusted from a plane to an inclined conical surface, and when the polishing liquid is sprayed to the conical surface of the wheel body, the polishing liquid flows away due to the inclination of the conical surface of the contact surface.

It should be noted that the diameter of the existing polishing wheel body is 50mm, the design uses four support columns 12 schemes, if the requirement of the smaller polishing wheel body 1 is met, polishing sponge and other consumable materials are prevented from falling off the wheel body before processing, three support column 12 schemes can be designed, the three support columns 12 and the axle center of the wheel body 1 are distributed according to a 360-degree circular array by taking the base point as a base point, and the same using effect as that of the four support columns 12 can be realized; in addition, according to the increase in the thickness dimension of the polishing consumable 2 or when the position of the polishing consumable 2 in contact with the product during processing is adjusted from the end face to the side face, the lengths of the existing positioning posts 11 and the support posts 12 may be short. In order to ensure that the polishing wheel body 1 can avoid the polishing consumable 2 from deflecting back and forth in the process of high-speed rotation, the lengths of the support column 12 and the positioning column 11 can be increased. The specific increased size can design different length combination schemes according to the thickness of the polishing consumable 2, the pressing-in amount of polishing parameters and the processing effect of the product in the actual processing process.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

The terms including ordinal numbers such as "first", "second", and the like used in the present specification may be used to describe various constituent elements, but these constituent elements are not limited by these terms. These terms are only used to distinguish one element from another. For example, a first component may be termed a second component, and, similarly, a second component may be termed a first component, without departing from the scope of the present invention.

The embodiments of the present utility model have been described above with reference to the accompanying drawings, but the present utility model is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present utility model and the scope of the claims, which are to be protected by the present utility model.

Claims (10)

1. The utility model provides a small-size high stability polishing wheel body structure, its characterized in that, including be used for rotatory polishing wheel body (1) under the drive of driving board, be used for with polishing wheel body (1) is rotatory in order to polish polishing consumable (2), will polishing consumable (2) are glued to terminal surface bonding structure (3) on first terminal surface (101) of polishing wheel body (1), follow axial protrusion on first terminal surface (101) of polishing wheel body (1) and form reference column (11) and support column (12), offer on polishing consumable (2) with locating hole (21) and with support column (12) matched supporting hole (22) of reference column (11) match, reference column (11) are located first terminal surface (101) center, locating hole (21) are located polishing consumable (2) center.

2. The small-size high-stability polishing wheel body structure according to claim 1, wherein the number of the support columns (12) and the number of the support holes (22) are all plural, the plurality of support columns (12) are uniformly distributed around the positioning column (11), and the plurality of support holes (22) are uniformly distributed around the positioning hole (21).

3. The small-size high-stability polishing wheel body structure according to claim 1, wherein the number of the support columns (12) and the number of the support holes (22) are four.

4. The small-size high-stability polishing wheel body structure according to claim 1, wherein the supporting hole (22) is a blind hole, and the positioning hole (21) is a through hole penetrating the polishing consumable (2).

5. The small-size high-stability polishing wheel body structure according to claim 1, wherein a second end surface (102) of the polishing wheel body (1) opposite to the first end surface (101) is used for positioning when being clamped with the driving machine, the second end surface (102) is a conical surface, and the radial dimension of the conical surface is gradually reduced along the direction away from the first end surface (101).

6. The small-size high-stability polishing wheel body structure according to claim 1, wherein the end face bonding structure (3) comprises a hook-and-loop fastener hook (31), a hook-and-loop fastener back velvet (32) and a hook-and-loop fastener binding band (33), the hook-and-loop fastener hook (31) is kept away from the positioning column (11) and the supporting column (12) to be attached to the first end face (101) and is attached to the outer Zhou Bangjin of the polishing wheel body (1) through the hook-and-loop fastener binding band (33), and the hook-and-loop fastener back velvet (32) is attached to one side of the polishing consumable (2) facing the first end face (101) through a hook-and-loop fastener adhesive.

7. The small-size high-stability polishing wheel body structure according to claim 6, wherein the hook-and-loop fastener hook (31) comprises a round portion (311) matched with the first end face (101) and a plurality of strip-shaped portions (312) uniformly distributed around the round portion (311), the strip-shaped portions (312) are connected with edges of the round portion (311) and extend along the radial direction of the round portion (311), the round portion (311) is attached to the first end face (101) while avoiding the positioning column (11) and the supporting column (12), and the strip-shaped portions (312) are bent to be attached to the periphery of the polishing wheel body (1) along the axial direction of the polishing wheel body (1) and are tightly bound by the hook-and-loop fastener bands (33).

8. The small-size high-stability polishing wheel body structure according to claim 7, wherein a center through hole (3111) for the positioning column (11) to pass through is formed in the center of the circular portion (311), and a plurality of edge through holes (3112) distributed around the center through hole (3111) for the support columns (12) to pass through are further formed in the circular portion (311).

9. The small-size high-stability polishing wheel body structure according to claim 6, wherein a circle of grooves (13) for arranging the magic tape (33) is formed on the periphery of the polishing wheel body (1).

10. The small-size high-stability polishing wheel body structure according to claim 1, wherein the polishing consumable (2) is a cylindrical sponge having a radial dimension consistent with the radial dimension of the first end face (101).