CN219255211U - Polishing head and polishing tool using same - Google Patents

Abstract

The utility model relates to the technical field related to polishing tools, in particular to a polishing head and a polishing tool using the polishing head, wherein the polishing head comprises a drill bit, a drill body, a set screw and a locking component, a butt joint seat is integrally formed on the drill bit, a mounting hole is formed in the front end face of the drill bit, a through hole is formed in the bottom of the mounting hole, the through hole completely penetrates through the butt joint seat, a butt joint groove is formed in the front end face of the drill body, a movable groove is formed in the rear side end of the drill body, and the butt joint groove is communicated with the movable groove through a threaded hole; through setting up the head of polishing that constitutes by drill bit, bore body, set screw and locking subassembly combination to set up the butt joint seat on the drill bit, and set up the mounting hole on the drill bit, and set up butt joint groove, movable groove and screw hole on the drill bit, and dock drill bit, bore the body through the set screw, thereby let can realize dismantling between drill bit and the body of boring, thereby need carry out the overall change to the head of polishing after avoiding the drill bit wearing and tearing, its bit of changing alone, its replacement cost can be lower.

Description

Polishing head and polishing tool using same

Technical Field

The utility model relates to the technical field related to polishing tools, in particular to a polishing head and a polishing tool using the polishing head.

Background

Polishing, which is a surface modification technology, generally refers to a processing method for changing physical properties of a material surface by friction with the aid of a rough object, and is mainly aimed at obtaining specific surface roughness;

the polishing drill used on the traditional polishing equipment is integrally arranged, the drill part and the drill part are required to be replaced integrally after being damaged, the drill part is not worn, and therefore the replacement cost of the replacement mode is high.

Disclosure of Invention

The utility model aims to provide a polishing head and a polishing tool using the polishing head, so as to solve the problem of high overall replacement cost of the polishing head in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a sanding head, the sanding head comprising;

the drill bit is integrally formed with a butt joint seat, the front end face of the drill bit is provided with a mounting hole, the bottom of the mounting hole is provided with a through hole, and the through hole completely penetrates through the butt joint seat;

the front end face of the drill body is provided with a butt joint groove, the rear side end of the drill body is provided with a movable groove, and the butt joint groove is communicated with the movable groove through a threaded hole;

the positioning screw penetrates through the through hole and is screwed into the threaded hole, the screw end of the positioning screw is integrally formed with a first-stage limiting seat, and a limiting groove is formed in the first-stage limiting seat;

and the locating screw is limited by the anti-loosening assembly.

Preferably, the butt joint seat is of an eight-prism structure, and the size of the notch of the butt joint groove is identical to that of the butt joint seat.

Preferably, the locking subassembly comprises ejector pin, supporting spring, second grade spacing seat and limiting plate combination, limiting plate and second grade spacing seat integrated into one piece, and supporting spring's both ends are connected with ejector pin, second grade spacing seat respectively, and bore when the body is installed on polishing tool, and its ejector pin offsets with the last body mount pad of polishing tool and sets up, and at this moment, supporting spring is in compressed state.

Preferably, the movable groove is of a notch structure with a regular octagon cross section, and the cross section sizes of the ejector rod and the secondary limiting seat are identical to the cross section size of the movable groove.

Preferably, the width value of the limiting plate is identical with the width value of the notch of the limiting groove, and the limiting plate is embedded into the limiting groove when the drill bit is actually installed.

Preferably, the limit grooves are three, and the adjacent limit grooves are arranged at sixty-degree included angles.

Preferably, the side wall of the movable groove is provided with an observation groove, a group of observation grooves are symmetrically arranged, and after the set screw is actually screwed up, the position of the first-stage limiting seat upper limiting groove corresponds to the position of the observation groove.

A grinding tool having the above-described grinding head.

Compared with the prior art, the application has the following beneficial effects:

through setting up the head of polishing that constitutes by drill bit, bore body, set screw and locking subassembly combination to set up the butt joint seat on the drill bit, and set up the mounting hole on the drill bit, and set up butt joint groove, movable groove and screw hole on the drill bit, and dock drill bit, bore the body through the set screw, thereby let can realize dismantling between drill bit and the body of boring, thereby need carry out the overall change to the head of polishing after avoiding the drill bit wearing and tearing, its bit of changing alone, its replacement cost can be lower.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a half cross-sectional view of an involute gear according to the present utility model;

FIG. 3 is a schematic view of the bit and bit body positions of the present utility model;

FIG. 4 is a schematic view of a drill bit according to the present utility model;

FIG. 5 is a schematic view of the structure of the drill body of the present utility model;

FIG. 6 is a schematic view of the structure of the set screw of the present utility model;

FIG. 7 is an enlarged schematic view of the structure A in FIG. 6;

fig. 8 is a schematic structural view of the anti-loosening assembly of the present utility model.

In the figure: drill bit 1, bore body 2, set screw 3, locking subassembly 4, butt joint seat 5, mounting hole 6, through-hole 7, butt joint groove 8, movable groove 9, screw hole 10, one-level spacing seat 11, spacing groove 12, ejector pin 13, supporting spring 14, two-level spacing seat 15, limiting plate 16, observation groove 17.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In order to make the objects, technical solutions, and advantages of the present utility model more apparent, the embodiments of the present utility model will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present utility model, are intended to be illustrative only and not limiting of the embodiments of the present utility model, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present utility model.

In the description of the present utility model, it should be noted that the terms "center," "middle," "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," "side," "vertical," "horizontal," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "a," an, "" the first, "" the second, "" the third, "" the fourth, "" the fifth, "and the sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

For purposes of brevity and description, the principles of the embodiments are described primarily by reference to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one of ordinary skill in the art that the embodiments may be practiced without limitation to these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.

Referring to fig. 1-8, the present utility model provides the following five preferred embodiments:

example 1

The utility model provides a head of polishing, the head of polishing includes drill bit 1, bore body 2, set screw 3 and locking subassembly 4, integrated into one piece has butt joint seat 5 on the drill bit 1, and mounting hole 6 has been seted up to the preceding terminal surface of drill bit 1, through-hole 7 has been seted up at the hole bottom of mounting hole 6, the through-hole 7 runs through butt joint seat 5 completely, butt joint groove 8 has been seted up to the preceding terminal surface of bore body 2, and movable groove 9 has been seted up to the rear side end of bore body 2, communicate through screw hole 10 between butt joint groove 8 and the movable groove 9, set screw 3 passes through-hole 7 and revolves to twist and install in screw hole 10, and the spacing seat 11 of the screw rod tip integrated into one piece of set screw 3, spacing groove 12 has been seted up on the spacing seat 11 of one-level, set screw 3 is spacing through locking subassembly 4.

The butt joint seat 5 is of an eight-prism structure, and the notch size of the butt joint groove 8 is matched with the size of the butt joint seat 5.

Through setting up the head of polishing that constitutes by drill bit 1, bore body 2, set screw 3 and locking subassembly 4 combination to set up docking seat 5 on drill bit 1, and set up mounting hole 6 on drill bit 1, and set up docking slot 8, movable groove 9 and screw hole 10 on bore body 2, and dock drill bit 1, bore body 2 through set screw 3, thereby let can realize dismantling between drill bit 1 and the bore body 2, thereby need carry out the whole change to the head of polishing after avoiding drill bit 1 wearing and tearing, its single change drill bit 1, its replacement cost can be lower.

Example two

On the basis of the first embodiment, the anti-loosening assembly 4 is formed by combining a push rod 13, a supporting spring 14, a secondary limiting seat 15 and a limiting plate 16, the limiting plate 16 and the secondary limiting seat 15 are integrally formed, two ends of the supporting spring 14 are respectively connected with the push rod 13 and the secondary limiting seat 15, when the drill body 2 is installed on a polishing tool, the push rod 13 is propped against a drill body installation seat on the polishing tool, and at the moment, the supporting spring 14 is in a compressed state.

The movable groove 9 is of a notch structure with a regular octagon section, and the section sizes of the ejector rod 13 and the secondary limiting seat 15 are matched with the section size of the movable groove 9.

The width value of the limiting plate 16 is identical with the width value of the notch of the limiting groove 12, and when the drill bit 1 is actually installed, the limiting plate 16 is embedded into the limiting groove 12, and the anti-loosening assembly 4 formed by combining the ejector rod 13, the supporting spring 14, the secondary limiting seat 15 and the limiting plate 16 is arranged, so that the loosening phenomenon of the set screw 3 is avoided, and the positioning stability between the drill bit 1 and the drill bit body 2 is ensured.

Example III

On the basis of the second embodiment, three limiting grooves 12 are arranged, and adjacent limiting grooves 12 are arranged at an included angle of sixty degrees, so that the limiting plate 16 is conveniently abutted into the limiting grooves 12.

Example IV

On the basis of the third embodiment, the side wall of the movable groove 9 is provided with the observation groove 17, the observation groove 17 is symmetrically provided with a group, and after the set screw 3 is actually screwed up, the position of the limit groove 12 on the primary limit seat 11 corresponds to the position of the observation groove 17, so that a worker can conveniently observe whether the limit plate 16 is embedded into the limit groove 12.

Example five

On the basis of the fourth embodiment, a polishing tool is provided with the polishing head.

While the foregoing has been described in terms of illustrative embodiments thereof, so that those skilled in the art may appreciate the present application, it is not intended to be limited to the precise embodiments so that others skilled in the art may readily utilize the present application to its various modifications and variations which are within the spirit and scope of the present application as defined and determined by the appended claims.

Claims (8)

1. A sanding head characterized by: the polishing head comprises;

the drill bit (1), integrated into one piece has butt joint seat (5) on drill bit (1), and the front end face of drill bit (1) has seted up mounting hole (6), the hole bottom of mounting hole (6) has seted up through-hole (7), through-hole (7) run through butt joint seat (5) completely;

the novel drilling machine comprises a drilling body (2), wherein a butt joint groove (8) is formed in the front end face of the drilling body (2), a movable groove (9) is formed in the rear side end of the drilling body (2), and the butt joint groove (8) is communicated with the movable groove (9) through a threaded hole (10);

the positioning screw (3) penetrates through the through hole (7) and is screwed into the threaded hole (10), a first-stage limiting seat (11) is integrally formed at the end part of the screw rod of the positioning screw (3), and a limiting groove (12) is formed in the first-stage limiting seat (11);

and the locating screw (3) is limited by the anti-loosening assembly (4).

2. A sanding head as defined in claim 1, wherein: the butt joint seat (5) is of an eight-prism structure, and the size of the notch of the butt joint groove (8) is identical to the size of the butt joint seat (5).

3. A sanding head as defined in claim 2, wherein: the anti-loosening assembly (4) is formed by combining a push rod (13), a supporting spring (14), a secondary limiting seat (15) and a limiting plate (16), the limiting plate (16) and the secondary limiting seat (15) are integrally formed, two ends of the supporting spring (14) are respectively connected with the push rod (13) and the secondary limiting seat (15), and when the drill body (2) is installed on a polishing tool, the push rod (13) and the upper drill body installation seat of the polishing tool are propped against each other, and at the moment, the supporting spring (14) is in a compressed state.

4. A sanding head as defined in claim 3, wherein: the movable groove (9) is of a notch structure with a regular octagon cross section, and the cross section sizes of the ejector rod (13) and the secondary limiting seat (15) are matched with the cross section size of the movable groove (9).

5. A sanding head as defined in claim 4, wherein: the width value of the limiting plate (16) is identical with the width value of the notch of the limiting groove (12), and the limiting plate (16) is embedded into the limiting groove (12) when the drill bit (1) is actually installed.

6. A sanding head as defined in claim 5, wherein: the limiting grooves (12) are three, and the adjacent limiting grooves (12) are arranged at an included angle of sixty degrees.

7. A sanding head as defined in claim 6, wherein: the side wall of the movable groove (9) is provided with an observation groove (17), the observation groove (17) is symmetrically provided with a group, and after the set screw (3) is actually screwed up, the position of the first-stage limiting seat (11) of the set screw is corresponding to the position of the observation groove (17).

8. A sanding tool, characterized by: the sanding tool having the sanding head of any of the preceding claims 1-7.

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