CN223044126U

CN223044126U - A collet for CNC machine tools

Info

Publication number: CN223044126U
Application number: CN202421774006.XU
Authority: CN
Inventors: 孙霖卿; 蒋乐荣
Original assignee: Chongqing Ledatong Machinery Manufacturing Co ltd
Current assignee: Chongqing Ledatong Machinery Manufacturing Co ltd
Priority date: 2024-07-25
Filing date: 2024-07-25
Publication date: 2025-07-01
Anticipated expiration: 2034-07-25

Abstract

The utility model discloses a collet chuck for a numerical control machine tool, which comprises a fixed rod, a first supporting rod, a second supporting rod, clamping rods, a connecting component and an adjusting component, wherein the middle part of the outer side of the fixed rod is hinged with three uniformly annular distribution supporting rods I, the front end of the outer side of the fixed rod is hinged with three uniformly annular distribution supporting rods II, the clamping rods are hinged with one ends of the three supporting rods I and the second supporting rod, which are far away from the fixed rod, the front end of the fixed rod is provided with the adjusting component for controlling the clamping rods to clamp and fix parts, and one side, close to each other, of the fixed rod and the clamping rods is provided with the connecting component for connecting the clamping rods and the fixed rod. The utility model has the advantages that the workpiece can be stably clamped and fixed by controlling the three clamping rods, the workpiece can be conveniently and accurately fixed, and the subsequent processing speed and accuracy are ensured.

Description

Collet for numerical control machine tool

Technical Field

The utility model relates to the field of clamps, in particular to a collet chuck for a numerical control machine tool.

Background

The control machine tool is a numerical control machine tool for short, is an automatic machine tool provided with a program control system, and is operated by a numerical control device to send various control signals to control the action of the machine tool, so that parts can be automatically machined according to the shape and the size required by a drawing, and the existing numerical control machine tool is required to be provided with corresponding clamps so as to stably clamp different workpieces.

Publication number CN220944211U discloses a fixture for digit control machine tool, relates to digit control machine tool technical field. Including the installation L template, the installation L template includes diaphragm and riser, is provided with flip structure on the riser for the work piece of this anchor clamps centre gripping of upset, flip structure is including inserting the upset pole of locating on the riser, and upset pole pot head is equipped with the fixed block mutually fixed with the diaphragm, and upset pole and riser and fixed block homogeneous phase rotate to be connected, and upset pole one end is provided with the clamping structure for the centre gripping work piece is provided with the climbing structure on the diaphragm, is used for supporting the work piece of centre gripping. According to the utility model, the middle part of the workpiece is clamped by the clamping structure through the arrangement of the overturning structure and the clamping structure, so that the machining operation of the top part of the workpiece is facilitated, and meanwhile, the workpiece is clamped by the clamping structure through the overturning structure to be overturned positively and negatively, so that the original bottom part of the workpiece is conveniently machined, and the use limitation of the clamp is reduced to a certain extent. However, the prior art still has the disadvantages:

In the prior art, when a cylindrical workpiece is processed, a method of clamping both ends of the workpiece to jaws is adopted. This clamping means results in the end portion of the workpiece protruding into the jaw, and the numerical control tool bit is therefore unable to perform a full machining of the outside of the workpiece. In order to complete the overall machining of the workpiece, the operator also has to remove the workpiece from the jaws, reposition the workpiece and machine the ends one by one. This procedure not only increases the complexity of the operation, but also severely affects the overall machining efficiency and accuracy of the machining. Especially in mass production, cumbersome operation steps reduce the efficiency of production.

Disclosure of utility model

The utility model aims to overcome the defects and provide the collet for the numerical control machine tool.

In order to solve the technical problems, the utility model provides a collet for a numerical control machine tool, which comprises a fixed rod;

The first support rods are hinged to the middle of the outer side of the fixed rod, and are uniformly distributed in an annular shape;

The second support rods are hinged to the front ends of the outer sides of the fixed rods, and are uniformly distributed in an annular shape;

the three clamping rods are respectively hinged to one ends of the first support rods and the second support rods, which are far away from the fixed rods;

the connecting component is arranged at one side of the clamping rod and the fixing rod, which are close to each other;

the adjusting component is arranged on the fixed rod.

As an improvement, the connection assembly comprises;

The three sliding grooves are formed in the front part of the outer side of the fixed rod and are uniformly distributed in a ring shape;

the three sliding blocks are respectively inserted into the rear ends of the inner parts of the three sliding grooves;

the three connecting rods are hinged to one ends of the three sliding blocks, which are far away from each other, respectively, and the upper ends of the three connecting rods are hinged to the rear parts of one sides of the three clamping rods, which are close to each other, respectively.

As an improvement, the adjusting assembly comprises:

The adjusting groove is formed in the front end of the fixing rod;

The adjusting block is inserted into the adjusting groove and fixedly connected to one side, close to each other, of the three sliding blocks;

The threaded hole is formed in the middle of the front end of the adjusting block;

The screw rod is in threaded connection with the inside of the screw rod, and the screw rod is rotationally connected with the middle part of the rear end of the inner side of the adjusting groove through a bearing;

The fixed plate is rotationally connected to the front end of the outer side of the screw rod through a bearing, and is fixedly connected to the front end of the inner side of the adjusting groove.

As an improvement, the rear end of the fixing rod is fixedly connected with a connecting disc, three connecting grooves are formed in the outer side of the connecting disc, and the three connecting grooves are uniformly distributed in a ring shape.

As an improvement, the front end of the screw rod is fixedly connected with an adjusting disc.

Compared with the prior art, the clamping device has the advantages that the three clamping rods are controlled to clamp and fix a workpiece, the connecting disc is firstly arranged in the chuck of the machine tool, the connecting disc is fixed through the connecting groove, the fixing rod and the chuck of the machine tool are concentrically fixed, then the tubular workpiece is inserted into the outer side of the device, the screw rod is rotated through the adjusting disc, the screw rod drives the adjusting block to slide in the adjusting groove under the limitation of the sliding groove and the sliding block, the three clamping plates are controlled to be far away from each other under the support of the connecting rod, the workpiece is supported through the interaction of the three clamping plates, the part and the fixing rod are concentrically fixed, and the workpiece can be conveniently and accurately fixed, so that the speed and the accuracy of subsequent processing are ensured.

Drawings

Fig. 1 is a perspective view of the present utility model.

Fig. 2 is a cross-sectional view of the present utility model.

Fig. 3 is a cross-sectional view of the fixing lever of the present utility model.

Fig. 4 is a schematic view of an adjustment assembly of the present utility model.

The drawing shows that 1, a fixed rod, 2, a first supporting rod, 3, a second supporting rod, 4, a clamping rod, 5, a connecting component, 51, a sliding groove, 52, a sliding block, 53, a connecting rod, 6, an adjusting component, 61, an adjusting groove, 62, an adjusting block, 63, a threaded hole, 64, a screw rod, 65, a fixed plate, 7, a connecting disc, 71, a connecting groove and 8, and an adjusting disc.

Detailed Description

Reference will now be made in detail to exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. The implementations described in the following exemplary examples are not representative of all implementations consistent with the present disclosure. Rather, they are merely examples of apparatus consistent with some aspects of the disclosure as detailed in the accompanying claims.

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. 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.

Example 1:

As shown in fig. 1 to 4, this embodiment provides a collet for a numerical control machine tool, including a fixing rod 1, a first support rod 2, a second support rod 3, a clamping rod 4, a connecting component 5 and an adjusting component 6, wherein the middle part of the outer side of the fixing rod 1 is hinged with three evenly annular distribution support rods 1, the front end of the outer side of the fixing rod 1 is hinged with three evenly annular distribution support rods 3, one ends of the three support rods 2 and the second support rod 3 far away from the fixing rod 1 are both hinged with the clamping rod 4, the front end of the fixing rod 1 is provided with the adjusting component 6 for controlling the clamping rod 4 to clamp a part, and one side, close to each other, of the fixing rod 1 and the clamping rod 4 is provided with the connecting component 5 for connecting the clamping rod 4 and the fixing rod 1.

The connecting assembly 5 comprises sliding grooves 51, sliding blocks 52 and connecting rods 53, wherein three sliding grooves 51 are formed in the front side of the outer portion of the fixed rod 1, the three sliding grooves 51 are uniformly distributed in a ring shape, the sliding blocks 52 are inserted into the sliding grooves 51, the connecting rods 53 used for connecting the sliding blocks 52 with the clamping rods 4 are hinged to the upper ends of the sliding blocks 52, and the upper ends of the connecting rods 53 are hinged to the rear portion of one side, close to the fixed rod 1, of the clamping rods 4.

The adjusting assembly 6 comprises an adjusting groove 61, an adjusting block 62, a threaded hole 63, a screw rod 64 and a fixing plate 65, wherein the adjusting groove 61 for installing the adjusting block 62 is formed in the front end of the fixing rod 1, the adjusting block 62 is fixedly connected to one side, close to each other, of the three sliding blocks 52, the adjusting block 62 is inserted into the adjusting groove 61, the threaded hole 63 penetrating through the adjusting block 62 and used for controlling the adjusting block 62 to slide in the adjusting groove 61 is formed in the middle of the front end of the adjusting block 62, the screw rod 64 used for controlling the adjusting block 62 to slide in the adjusting groove 61 is connected to the inner side of the adjusting groove 61 in a threaded mode in the threaded hole 63, the screw rod 64 is connected to the middle of the inner side rear end of the adjusting groove 61 in a rotating mode through a bearing, the fixing plate 65 used for fixing the screw rod 64 is connected to the outer side front end of the screw rod 64 in a rotating mode through a bearing mode, and the fixing plate 65 is fixedly connected to the inner front end of the adjusting groove 61.

Example 2:

The scheme of example 1 is further described in conjunction with the specific operation described below:

the rear end of the fixing rod 1 is fixedly connected with a connecting disc 7 for fixing the whole body on a machine tool chuck, and three connecting grooves 71 which are uniformly distributed in a ring shape and are used for fixing the connecting disc 7 on the machine tool chuck are formed on the outer side of the connecting disc 7.

An adjusting disk 8 for facilitating the rotation of the screw 64 is fixedly connected to the front end of the screw 64.

The electrical components are all connected with an external main controller and 220V mains supply, the main controller can be conventional known equipment for controlling a computer and the like, detailed description of known functions and known components is omitted in the specific embodiment of the disclosure, and the adopted operation means are consistent with the parameters of the instruments on the market in order to ensure the compatibility of the equipment.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A collet for a numerically controlled machine tool, characterized by comprising: a fixing rod (1);

Support rods (2), three of the support rods (2) being hinged to the middle of the outer side of the fixed rod (1), and the three support rods (2) being evenly distributed in a ring shape;

Support rods 2 (3), three of the support rods 2 (3) are hinged to the outer front end of the fixed rod (1), and the three support rods 2 (3) are evenly distributed in a ring shape;

Clamping rods (4), wherein three of the clamping rods (4) are respectively hinged to one end of three support rods one (2) and three support rods two (3) away from the fixing rod (1);

A connecting component (5), wherein the connecting component (5) is arranged on a side where the clamping rod (4) and the fixing rod (1) are close to each other;

An adjustment component (6), wherein the adjustment component (6) is arranged on the fixing rod (1).

2. A collet for a CNC machine tool according to claim 1, characterized in that the connecting assembly (5) comprises:

Slide grooves (51), three of the slide grooves (51) are arranged at the front portion of the outer side of the fixing rod (1), and the three slide grooves (51) are evenly distributed in an annular shape;

Slide blocks (52), wherein three slide blocks (52) are respectively inserted into the inner rear ends of the three slide grooves (51);

The three connecting rods (53) are respectively hinged to the ends of the three sliders (52) that are away from each other, and the upper ends of the three connecting rods (53) are respectively hinged to the rear parts of the sides of the three clamping rods (4) that are close to each other.

3. A collet for a CNC machine tool according to claim 2, characterized in that the adjustment component (6) comprises:

An adjustment slot (61), wherein the adjustment slot (61) is disposed at the front end of the fixing rod (1);

An adjusting block (62), the adjusting block (62) being inserted into the adjusting groove (61), and the adjusting block (62) being fixedly connected to a side where the three sliders (52) are close to each other;

A threaded hole (63), wherein the threaded hole (63) is provided in the middle of the front end of the adjustment block (62);

A screw rod (64), wherein the screw rod (64) is threadedly connected to the interior of the screw rod (64), and the screw rod (64) is rotatably connected to the middle portion of the rear end of the inner side of the adjustment groove (61) through a bearing;

A fixed plate (65) is rotatably connected to the outer front end of the screw rod (64) via a bearing, and the fixed plate (65) is fixedly connected to the inner front end of the adjustment slot (61).

4. A collet for a CNC machine tool according to claim 1, characterized in that a connecting plate (7) is fixedly connected to the rear end of the fixing rod (1), and three connecting grooves (71) are formed on the outer side of the connecting plate (7), and the three connecting grooves (71) are evenly distributed in an annular shape.

5. A collet for a CNC machine tool according to claim 3, characterized in that an adjusting disk (8) is fixedly connected to the front end of the screw rod (64).