CN219767394U

CN219767394U - Machine tool fixture capable of guaranteeing machining coaxiality of projectile body

Info

Publication number: CN219767394U
Application number: CN202320605203.8U
Authority: CN
Inventors: 郭明军; 郭志玲; 闫玉春; 田鹏; 潘长城
Original assignee: Xiangyang Tianhao Machinery Co ltd
Current assignee: Xiangyang Tianhao Machinery Co ltd
Priority date: 2023-03-24
Filing date: 2023-03-24
Publication date: 2023-09-29
Anticipated expiration: 2033-03-24

Abstract

The utility model discloses a machine tool fixture capable of guaranteeing the machining coaxiality of a projectile body, which comprises a rotating motor, wherein the rotating motor is fixedly connected with a rotating shell through a motor shaft, a concentric column is arranged in the rotating shell, a first coaxiality clamping and confirming device and a second clamping device are arranged on the concentric column, and the clamping devices on the first coaxiality clamping and confirming device and the second clamping device can move on the rotating shell. The second clamping device provided by the utility model can clamp the projectile body, the first coaxial clamping confirming device can confirm whether the projectile body is clamped coaxially with the concentric column or not, so that the clamping adjustment of the projectile body is facilitated, and meanwhile, the first coaxial clamping confirming device can realize the secondary clamping of the projectile body, so that the projectile body is clamped more stably, and the subsequent processing precision of the projectile body is realized.

Description

Machine tool fixture capable of guaranteeing machining coaxiality of projectile body

Technical Field

The utility model relates to the technical field of machine tool fixtures, in particular to a machine tool fixture capable of guaranteeing the coaxiality of projectile body machining.

Background

A machine tool fixture is a device on a machine tool that is used to clamp a workpiece (and guide a tool). The function of this is to position the workpiece so that it obtains the correct position relative to the machine and tool and to clamp it reliably. When the elastic body is processed, the traditional machine tool fixture only can clamp one end of the elastic body and clamps the elastic body in a dot shape, and the elastic body is of a columnar structure, so that the coaxiality of the elastic body and the machine tool fixture is not in the same straight line when the traditional fixture clamps the elastic body, and therefore errors can be caused in the subsequent processing process of the elastic body, and the processing precision of the elastic body is affected.

Disclosure of Invention

In view of the foregoing drawbacks or shortcomings of the prior art, it is desirable to provide a machine tool fixture that can ensure the coaxiality of the elastomeric body processing.

According to the technical scheme provided by the embodiment of the utility model, a motor shaft of a rotating motor is fixedly connected with a rotating shell, a concentric column is arranged in the rotating shell, a first concentric degree clamping confirmation device and a second clamping device are arranged on the outer side surface of the concentric column, the clamping devices on the first concentric degree clamping confirmation device and the second clamping device can move on the rotating shell, the circle center of the concentric column and the circle center of the rotating shell are positioned on the same straight line, a first concentric degree clamping confirmation device through hole and a second clamping device through hole are arranged on the rotating shell, a circle surrounded by a plurality of first concentric degree clamping confirmation device through holes, a circle surrounded by a plurality of second clamping device through holes are concentric with the concentric column, the plurality of first concentric degree clamping confirmation device through holes and the plurality of second clamping device through holes are alternately arranged, the first concentric degree clamping confirmation device comprises a compression spring and a clamping plate which are oppositely arranged on the concentric column, two ends of the compression spring are fixedly connected with the concentric column and the clamping plate, and the clamping plate can move in the first concentric degree clamping confirmation device through hole.

Further, the second clamping device comprises a screw rod, a clamping clamp and a double-shaft motor, wherein the screw rod and the clamping clamp are arranged oppositely to each other, the double-shaft motor is fixed in the concentric column, a connecting block on the clamping clamp is sleeved on the screw rod through threads, and a motor shaft of the double-shaft motor is fixedly connected with the screw rod; the threads on the screws on both sides of the concentric column are opposite.

Further, the clamping clamp is an arc-shaped clamping plate, namely the clamping clamp is an arc-shaped clamping plate.

Further, scales are arranged on the rotary shell at the side end of the through hole of the first coaxiality clamping and confirming device, so that distances between different end faces of the clamped projectile bodies and the axle center can be conveniently displayed.

In summary, the utility model has the following beneficial effects: the second clamping device provided by the utility model can clamp the projectile body, the first coaxiality clamping confirming device can confirm whether the projectile body is clamped coaxially with the concentric column or not, so that the clamping adjustment of the projectile body is facilitated, and meanwhile, the first coaxiality clamping confirming device can realize the secondary clamping of the projectile body, so that the projectile body is clamped more stably, and the precision of subsequent processing of the projectile body is realized.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the accompanying drawings in which:

FIG. 1 is a schematic view of the overall apparatus of the present utility model;

FIG. 2 is a schematic view of the structure of the rotary housing of the present utility model;

FIG. 3 is a schematic diagram showing the connection structure of the concentric column, the first coaxiality clamping confirmation device and the second clamping device;

reference numerals in the drawings: a rotating electrical machine-1; rotating the housing-2; a first concentricity clamping confirmation device through hole-21; a second clamping device through hole-22; concentric column-3; a first concentricity clamping confirmation device-4; compression spring-41; a clamping plate-42; a second clamping device-5; screw-51; clamping clip-52.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the utility model are shown in the drawings.

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

A machine tool fixture capable of guaranteeing the coaxiality of projectile body machining, as shown in fig. 1 and 2, a motor shaft of a rotary motor 1 is fixedly connected with a rotary shell 2, a concentric column 3 concentric with the rotary shell 2 is arranged in the rotary shell 2, a plurality of first coaxiality clamping and confirming device through holes 21 and second clamping device through holes 22 which are alternately arranged are arranged on the front end surface of the rotary shell 2, a first coaxiality clamping and confirming device 4 and a second clamping device 5 which are connected with the concentric column 3 are respectively positioned in the first coaxiality clamping and confirming device through holes 21 and the second clamping device through holes 22, as shown in fig. 3, a clamping plate 42 on the first coaxiality clamping and confirming device 4 is fixedly connected with the concentric column 3 through a compression spring 41, and the clamping plate 42 can move in the first coaxiality clamping and confirming device through holes 21; the second clamping device 5 comprises a screw rod 51, a clamping clamp 52 and a double-shaft motor, wherein the screw rod 51 and the clamping clamp 52 are oppositely arranged on the concentric column 3, the double-shaft motor is fixed in the concentric column 3, a connecting block on the clamping clamp 52 is sleeved on the screw rod 51 through threads, and a motor shaft of the double-shaft motor is fixedly connected with the screw rod 51; the threads on the screws 51 on both sides of the concentric post 3 are opposite, so that when the opposite screws 51 are rotated in the same direction, the oppositely arranged clamping clips 52 connected by the threads will move toward the center of the concentric post 3, thereby achieving clamping.

When the elastic clamping device is used, one end part of an elastic body is placed on the end face of the rotary shell 2, then the clamping plates 42 are clamped at the end part of the elastic body through the compression springs 41, at the moment, whether the elastic body is initially coaxial with the concentric columns 3 or not can be seen by checking the distance between each clamping plate 42 and the concentric columns 3, and then the placing position of the elastic body is manually fine-tuned for initial clamping; then the double-shaft motor in the concentric column 3 is started, the screw rod 51 is rotated, so that the clamping clamp 52 in threaded sleeve joint with the screw rod 51 moves towards the concentric column 3, and the elastomer is clamped.

The above description is only illustrative of the preferred embodiments of the utility model and the technical principles employed. Meanwhile, the scope of the utility model is not limited to the technical scheme formed by the specific combination of the technical features, and other technical schemes formed by any combination of the technical features or the equivalent features thereof without departing from the inventive concept are also covered. Such as the above-mentioned features and the technical features disclosed in the present utility model (but not limited to) having similar functions are replaced with each other.

Claims

1. Can ensure lathe anchor clamps of projectile body processing axiality, its characterized in that: comprising the steps of (a) a step of,

the rotary motor (1), the rotary motor (1) is fixedly connected with a rotary shell (2) through a motor shaft, a concentric column (3) is arranged in the rotary shell (2), a first coaxiality clamping and confirming device (4) and a second clamping device (5) are arranged on the concentric column (3), and the clamping devices on the first coaxiality clamping and confirming device (4) and the second clamping device (5) can move on the rotary shell (2);

the concentric column (3) and the center of the rotary shell (2) are positioned on the same straight line;

the rotary shell (2) is provided with a first coaxiality clamping and confirming device through hole (21) and a second clamping device through hole (22), a circle surrounded by a plurality of the first coaxiality clamping and confirming device through holes (21) is concentric with the concentric column (3), a circle surrounded by a plurality of the second clamping device through holes (22) is concentric with the concentric column (3), and a plurality of the first coaxiality clamping and confirming device through holes (21) and a plurality of the second clamping device through holes (22) are placed in a staggered mode;

the first concentricity clamping and confirming device (4) comprises a compression spring (41) and a clamping plate (42) which are oppositely arranged on the concentric column (3), the two ends of the compression spring (41) are fixedly connected with the concentric column (3) and the clamping plate (42), and the clamping plate (42) can move in the through hole (21) of the first concentricity clamping and confirming device.

2. The machine tool fixture capable of guaranteeing projectile body machining coaxiality according to claim 1, wherein: the second clamping device (5) comprises a screw rod (51), a clamping clamp (52) and a double-shaft motor, wherein the screw rod (51) and the clamping clamp (52) are oppositely arranged on the concentric column (3), the double-shaft motor is fixed in the concentric column (3), a connecting block on the clamping clamp (52) is sleeved on the screw rod (51) through threads, and a motor shaft of the double-shaft motor is fixedly connected with the screw rod (51);

the threads on the screws (51) located on both sides of the concentric column (3) are opposite.

3. A machine tool fixture capable of guaranteeing projectile body machining coaxiality according to claim 2, wherein: the clamping clamp (52) is an arc-shaped clamping plate.

4. The machine tool fixture capable of guaranteeing projectile body machining coaxiality according to claim 1, wherein: scales are arranged on the rotary shell (2) at the side end of the through hole (21) of the first coaxiality clamping and confirming device.