1. The utility model provides a lathe main shaft draws claw mounting tool, includes casing (1), its characterized in that: inner chamber (2) that upper and lower break-over was opened at casing (1) upper end middle part, the activity of lower part has cup jointed fore-set (3) in inner chamber (2), threaded hole (4) are opened at fore-set (3) upper end middle part, screw (5) have been cup jointed in inner chamber (2) internalization, internal face fixedly connected with spring (6) are gone up in inner chamber (2), casing (1) surface middle part fixedly connected with clamping ring (7), open at clamping ring (7) lower extreme middle part has finger groove (8).

2. The machine tool spindle claw mounting tool according to claim 1, wherein: the size of the threaded hole (4) is matched with the size of the screw (5) and the position of the threaded hole corresponds to that of the screw (5), and the lower portion of the screw (5) is in threaded connection with the inner wall surface of the threaded hole (4).

3. The machine tool spindle claw mounting tool according to claim 1, wherein: the lower end of the spring (6) is fixedly connected with the upper end of the top column (3).

4. The machine tool spindle claw mounting tool according to claim 1, wherein: the screw (5) is positioned in the spring (6), and the outer surface of the screw (5) is not in contact with the inner wall surface of the spring (6).

5. The machine tool spindle claw mounting tool according to claim 1, wherein: the outer surface of the spring (6) is not in contact with the inner wall surface of the inner cavity (2).

6. The machine tool spindle claw mounting tool according to claim 1, wherein: the lower part of the outer surface of the top pillar (3) is designed to be an inclined plane, and the size of the upper part of the top pillar (3) is matched with the size of the lower part of the inner cavity (2).

7. The machine tool spindle claw mounting tool according to claim 1, wherein: an inner groove is formed in the middle of the upper end of the screw (5), and the inner groove is hexagonal.

8. The use method of the machine tool spindle claw mounting tool according to the claims 1-7, comprising the following steps:

(I) adjusting screws: the thrust of the ejection column is adjusted through an adjusting screw;

(II) adjusting the shell: further, the inclined conical surface in the middle of the shell is supported against the upper end surface of the pull claw;

(III) pushing into a top column: and further pushing, when the pushing force of the ejection column reaches a certain threshold value, the pulling claw is opened, and the installation is finished.

Background

Machine tools (english name: machine tool) are machines for manufacturing machines, also called as machine tools or machine tools, and are conventionally called machine tools for short, and generally divided into metal cutting machines, forging machines, woodworking machines, and so on, and many methods for machining machine parts in modern machine manufacturing are used: except cutting processing, casting, forging, welding, stamping, extruding and the like are also included, but all parts with higher precision requirements and thinner surface roughness requirements generally need to be finally processed on a machine tool by a cutting method, the machine tool plays an important role in national economy and modernization construction, and a main shaft pull claw is one of accessories on the machine tool; the existing machine tool spindle pull claw is complex in installation process during installation, maintenance and repair, and the complex installation process causes that the production efficiency of the link is difficult to improve all the time; the existing pull claw cannot be suitable for installation of different specifications, so that the compatibility is poor, and the coverage range is small. Therefore, the tool for installing the machine tool spindle pull claw and the using method thereof are provided.

Disclosure of Invention

The invention mainly aims to provide a machine tool spindle pull claw mounting tool and a using method thereof, which can effectively solve the problems in the background technology.

In order to achieve the purpose, the invention adopts the technical scheme that:

the utility model provides a lathe main shaft draws claw mounting tool, includes the casing, the inner chamber of break-over about casing upper end middle part is opened, the fore-set has been cup jointed in the activity of inner chamber lower part, open threaded hole in the middle part of fore-set upper end, the screw has been cup jointed in the activity of inner chamber, internal face fixedly connected with spring on the inner chamber, casing surface middle part fixedly connected with presses the clamping ring, it has the finger groove to open at clamping ring lower extreme middle part.

Preferably, the size of the threaded hole is matched with the size of a screw, the position of the threaded hole corresponds to that of the screw, and the lower portion of the screw is in threaded connection with the inner wall surface of the threaded hole.

Preferably, the lower end of the spring is fixedly connected with the upper end of the top column.

Preferably, the screw is located in the spring, and an outer surface of the screw does not contact with an inner wall surface of the spring.

Preferably, the outer surface of the spring does not contact the inner wall surface of the inner chamber.

Preferably, the lower part of the outer surface of the top column is in an inclined plane shape, and the size of the upper part of the top column is matched with the size of the lower part of the inner cavity.

Preferably, the middle part of the upper end of the screw is provided with an inner groove, and the inner groove is hexagonal.

A use method of a machine tool spindle pull claw installation tool comprises the following steps:

(I) adjusting screws: the thrust of the ejection column is adjusted through an adjusting screw;

(II) adjusting the shell: further, the inclined conical surface in the middle of the shell is supported against the upper end surface of the pull claw;

(III) pushing into a top column: and further pushing, when the pushing force of the ejection column reaches a certain threshold value, the pulling claw is opened, and the installation is finished.

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

1. in the invention, the spring and the mechanical device are utilized to realize the quick installation of the HSK pull claw of the precision spindle, thereby reducing the labor cost.

2. According to the invention, the pull claw installer jack post belongs to a replaceable part, and the pull claw installer jack post can be suitable for installing HSK pull claws of different specifications by replacing HSK pull claw jack posts of different models, and has the advantages of wide coverage and good compatibility.

3. In the invention, the tool has low technical requirements on operators, can be operated through simple training, and is very safe for the operators.

4. The tool is small in size, convenient to carry and use when technical support personnel go out to maintain the main shaft, low in manufacturing cost, easy to disassemble and maintain and convenient to popularize on a mass production line.

Drawings

FIG. 1 is a schematic view of the overall structure of a tool for mounting a pull claw of a machine tool spindle according to the present invention;

FIG. 2 is a schematic cross-sectional view of a transmission mechanism of a tool for mounting a pull claw of a machine tool spindle according to the present invention;

FIG. 3 is a schematic front view of a material carrying mechanism of the tool for mounting a pull claw of a machine tool spindle according to the present invention;

fig. 4 is a side view schematically illustrating the upper connection ring of the tool for mounting the pulling claw of the spindle of the machine tool according to the present invention.

In the figure: 1. a housing; 2. an inner cavity; 3. a top pillar; 4. a threaded hole; 5. a screw; 6. a spring; 7. pressing a ring; 8. a finger groove.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" 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 "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, the portable electronic device comprises a shell 1, an inner cavity 2 which is vertically penetrated is formed in the middle of the upper end of the shell 1, a top column 3 is movably sleeved on the lower portion in the inner cavity 2, a threaded hole 4 is formed in the middle of the upper end of the top column 3, a screw 5 is movably sleeved in the inner cavity 2, a spring 6 is fixedly connected to the inner wall surface of the inner cavity 2, a pressing ring 7 is fixedly connected to the middle of the outer surface of the shell 1, and a finger groove 8 is formed in the middle of.

Preferably, the size of the screw hole 4 is matched with the size and position of the screw 5, and the lower part of the screw 5 is in threaded connection with the inner wall surface of the screw hole 4.

Preferably, the lower end of the spring 6 is fixedly connected with the upper end of the top pillar 3.

Preferably, the screw 5 is located within the spring 6, and the outer surface of the screw 5 does not contact the inner wall surface of the spring 6.

Preferably, the outer surface of the spring 6 does not contact the inner wall surface of the cavity 2.

Preferably, the lower part of the outer surface of the top pillar 3 is designed to be an inclined plane, and the size of the upper part of the top pillar 3 is matched with the size of the lower part of the inner cavity 2.

Preferably, the middle part of the upper end of the screw 5 is provided with an inner groove, and the inner groove is hexagonal.

According to the HSK series pull claw mounting device, the annular taper surface of the shell 1 of the device is placed on the front end face of the claw piece of the HSK pull claw, the HSK claw piece and the device are placed into the HSK spindle taper hole together, the length of the adjusting screw 5 is adjusted, then the device is pressed with force, and the HSK series pull claw can be mounted quickly.

A use method of a machine tool spindle pull claw installation tool comprises the following steps:

(I) adjusting screws: the thrust of the ejection column is adjusted through an adjusting screw;

(II) adjusting the shell: further, the inclined conical surface in the middle of the shell is supported against the upper end surface of the pull claw;

(III) pushing into a top column: and further pushing, when the pushing force of the ejection column reaches a certain threshold value, the pulling claw is opened, and the installation is finished.

The use method of the device is simple and safe to operate, and the pull claw can be installed quickly and accurately.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.