CN221065291U - Floating support clamping mechanism - Google Patents

Floating support clamping mechanism Download PDF

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Publication number
CN221065291U
CN221065291U CN202322995652.0U CN202322995652U CN221065291U CN 221065291 U CN221065291 U CN 221065291U CN 202322995652 U CN202322995652 U CN 202322995652U CN 221065291 U CN221065291 U CN 221065291U
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China
Prior art keywords
piston
workpiece
self
oil
piston rod
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CN202322995652.0U
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Chinese (zh)
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顾伟亮
陈敏
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Nanjing Kemade Precision Machine Tool Co ltd
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Nanjing Kemade Precision Machine Tool Co ltd
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Abstract

The utility model provides a floating support clamping mechanism which comprises a main shaft component with a workpiece connecting hole, wherein an inner supporting clamp assembly is arranged at the inner end of the workpiece connecting hole, a plurality of floating clamp assemblies distributed around a workpiece are arranged at the outer end of the workpiece connecting hole, each floating clamp assembly comprises a piston seat, a piston rod, a piston gland, a jacking head, an oil cylinder and a self-locking mechanism, the piston seats and the piston gland form a sealing cavity, oil paths communicated with the oil cylinder are respectively formed in the upper part and the lower part of the piston rod, oil in the oil paths controls the piston rod to displace along the vertical direction, the lower end of the piston rod extends out of the piston seat and is connected with the jacking head, and the jacking head jacks the outer edge of the workpiece when the piston rod moves downwards. According to the utility model, the workpiece is clamped in a floating manner through the floating support clamping mechanism, so that the thin-wall workpiece and the special-shaped workpiece can be conveniently machined.

Description

Floating support clamping mechanism
Technical Field
The utility model relates to the field of machining equipment, in particular to a floating support clamping mechanism.
Background
The lathe is a machine tool for turning a rotating workpiece with a turning tool. A lathe is the most important type of metal cutting machine, and is called a machine tool, which is the largest in number among lathes in a general machine factory. The lathe can also be used for corresponding machining by using a drill bit, a reamer, a tap, a die, a knurling tool and the like. Lathes are used for cutting various rotating surfaces of different sizes and shapes, as well as spiral surfaces.
The existing lathe adopts self-centering clamping to the workpiece, the workpiece is easy to deform when the thin-wall workpiece is cut, and the self-centering clamping cannot be used for machining the special-shaped workpiece.
Disclosure of utility model
The utility model provides a floating support clamping mechanism and a working method thereof, which aim to solve the problems in the prior art and facilitate the processing of thin-wall parts and special-shaped workpieces.
The utility model provides a floating support clamping mechanism, which comprises a main shaft component with a workpiece connecting hole, wherein an inner supporting clamp assembly is arranged at the inner end of the workpiece connecting hole, a plurality of floating clamp assemblies distributed around a workpiece are arranged at the outer end of the workpiece connecting hole, each floating clamp assembly comprises a piston seat, a piston rod, a piston gland, a jacking head, an oil cylinder and a self-locking mechanism, the piston seats and the piston gland form a sealing cavity, oil paths communicated with the oil cylinder are respectively arranged on the upper part and the lower part of the piston rod, oil in the oil paths controls the piston rod to displace along the vertical direction, the lower end of the piston rod extends out of the piston seat and is connected with the jacking head, and the jacking head jacks the outer edge of the workpiece when the piston rod moves downwards; the self-locking mechanism is provided with oil ways which are communicated with the oil cylinder up and down respectively, the oil in the oil ways controls the self-locking mechanism to displace along the vertical direction, and the piston rod is locked when the self-locking mechanism moves down.
Further improved, the self-locking mechanism comprises a self-locking taper sleeve and an ER clamping handle, wherein the inner diameter of the self-locking taper sleeve is gradually increased from top to bottom, the ER clamping handle is arranged between the inner wall of the self-locking taper sleeve and the outer edge of the piston rod, and the ER clamping handle clamps the piston rod when the self-locking taper sleeve moves downwards.
Further improved, the main shaft component comprises a box body and a motor, the box body is internally connected with a main shaft through a bearing, and the motor drives the main shaft to rotate through a transmission belt wheel and the bearing.
Further improved, a spindle flange surrounding the workpiece is arranged on the side of the box body, and the piston seat is fixedly connected with the spindle flange.
Further improved, the floating clamp assemblies are three, and are distributed at equal intervals along the circumference.
The utility model also provides a working method of the floating support clamping mechanism, which comprises the following steps:
1) Inserting a workpiece into the workpiece connecting hole, and connecting the tail end of the workpiece with the inner supporting clamp assembly;
2) Oil is communicated with an oil way above a piston rod of the floating clamp assembly, the piston rod is extruded to move downwards until the outer edge of a workpiece is abutted, and the floating clamp assemblies in different directions clamp the workpiece together;
3) Oil is communicated with an oil way above the self-locking taper sleeve, the self-locking taper sleeve is extruded to move downwards, and the ER clamping handle clamps the piston rod to lock the piston rod;
4) The main shaft drives the workpiece to rotate so as to process the workpiece;
5) Oil is communicated with an oil way at the lower part and the upper part of the self-locking taper sleeve, the self-locking taper sleeve is extruded to move upwards, and the ER clamping handle is loosened to unlock the piston rod;
6) And oil is communicated with an oil way below the piston rod, the piston rod is extruded to move upwards, and the workpiece is taken out.
The utility model has the beneficial effects that:
1. The workpiece is clamped in a floating mode through the floating support clamping mechanism, and the thin-wall workpiece and the special-shaped workpiece are convenient to process.
2. The self-locking mechanism can lock the piston rod during processing, so that the fixing reliability is ensured.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a cross-sectional view of the overall structure of the present utility model;
FIG. 2 is a cross-sectional view of the floating clamp assembly.
Description of the embodiments
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.
The utility model provides a floating support clamping mechanism, which is shown in figure 1 to be locked, and comprises a main shaft component with a workpiece connecting hole, wherein an inner support clamp assembly 1 is arranged at the inner end of the workpiece connecting hole, a plurality of floating clamp assemblies 2 distributed around a workpiece are arranged at the outer end of the workpiece connecting hole, each floating clamp assembly comprises a piston seat 3, a piston rod 4, a piston gland 5, a jacking head 6, an oil cylinder and a self-locking mechanism, the piston seats and the piston gland form a sealing cavity, oil paths communicated with the oil cylinders are respectively arranged at the upper part and the lower part of the piston rod, oil in the oil paths controls the piston rod to displace along the vertical direction, the lower end of the piston rod extends out of the piston seat and is connected with a jacking head, and the jacking head jacks the outer edge of the workpiece when the piston rod moves downwards; the self-locking mechanism is provided with oil ways which are communicated with the oil cylinder up and down respectively, the oil in the oil ways controls the self-locking mechanism to displace along the vertical direction, and the piston rod is locked when the self-locking mechanism moves down.
Further improved, the self-locking mechanism comprises a self-locking taper sleeve 7 and an ER clamping handle 8, wherein the inner diameter of the self-locking taper sleeve gradually increases from top to bottom, the ER clamping handle is arranged between the inner wall of the self-locking taper sleeve and the outer edge of the piston rod, and the ER clamping handle clamps the piston rod when the self-locking taper sleeve moves downwards.
Further improved, the main shaft component comprises a box body 9 and a motor, a main shaft 11 is connected in the box body through a bearing 10, and the motor drives the main shaft to rotate through a transmission belt wheel 12 and the bearing.
Further improved, a spindle flange 13 surrounding the workpiece is arranged on the side of the box body, and the piston seat 3 is fixedly connected with the spindle flange.
Further improved, the floating clamp assemblies are three, and are distributed at equal intervals along the circumference.
The utility model also provides a working method of the floating support clamping mechanism, which comprises the following steps:
1) Inserting a workpiece into the workpiece connecting hole, and connecting the tail end of the workpiece with the inner supporting clamp assembly;
2) Oil is communicated with an oil way above a piston rod of the floating clamp assembly, the piston rod is extruded to move downwards until the outer edge of a workpiece is abutted, and the floating clamp assemblies in different directions clamp the workpiece together;
3) Oil is communicated with an oil way above the self-locking taper sleeve, the self-locking taper sleeve is extruded to move downwards, and the ER clamping handle clamps the piston rod to lock the piston rod;
4) The main shaft drives the workpiece to rotate so as to process the workpiece;
5) Oil is communicated with an oil way at the lower part and the upper part of the self-locking taper sleeve, the self-locking taper sleeve is extruded to move upwards, and the ER clamping handle is loosened to unlock the piston rod;
6) And oil is communicated with an oil way below the piston rod, the piston rod is extruded to move upwards, and the workpiece is taken out.
In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments. In particular, for the equipment examples, what has been described above is merely a preferred embodiment of the utility model, which, since it is substantially similar to the method examples, is described relatively simply, as relevant to the description of the method examples. The foregoing is merely illustrative of specific embodiments of the present utility model, and the scope of the utility model is not limited thereto, since modifications and substitutions will be readily made by those skilled in the art without departing from the spirit of the utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims.

Claims (5)

1. The utility model provides a floating support fixture, includes the main shaft part that has work piece connecting hole, and work piece connecting hole inner is provided with interior anchor clamps assembly, its characterized in that: the outer end of the workpiece connecting hole is provided with a plurality of floating clamp assemblies distributed around the workpiece, each floating clamp assembly comprises a piston seat, a piston rod, a piston gland, a jacking head, an oil cylinder and a self-locking mechanism, the piston seats and the piston glands form a sealing cavity, oil paths communicated with the oil cylinders are respectively formed in the upper and lower parts of the piston rods, the oil in the oil paths controls the piston rods to displace along the vertical direction, the lower ends of the piston rods extend out of the piston seats and are connected with the jacking heads, and the jacking heads jack the outer edges of the workpiece when the piston rods move downwards; the self-locking mechanism is provided with oil ways which are communicated with the oil cylinder up and down respectively, the oil in the oil ways controls the self-locking mechanism to displace along the vertical direction, and the piston rod is locked when the self-locking mechanism moves down.
2. The floating support clamping mechanism of claim 1, wherein: the self-locking mechanism comprises a self-locking taper sleeve and an ER clamping handle, wherein the inner diameter of the self-locking taper sleeve is gradually increased from top to bottom, the ER clamping handle is arranged between the inner wall of the self-locking taper sleeve and the outer edge of the piston rod, and the ER clamping handle clamps the piston rod when the self-locking taper sleeve moves downwards.
3. The floating support clamping mechanism of claim 1, wherein: the main shaft component comprises a box body and a motor, the box body is internally connected with a main shaft through a bearing, and the motor drives the main shaft to rotate through a transmission belt wheel and the bearing.
4. A floating support fixture as claimed in claim 3, wherein: the box side is provided with the main shaft flange that encircles the work piece, and piston seat and main shaft flange fixed connection.
5. The floating support clamping mechanism of claim 1, wherein: the floating clamp assemblies are three and distributed at equal intervals along the circumference.
CN202322995652.0U 2023-11-07 2023-11-07 Floating support clamping mechanism Active CN221065291U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202322995652.0U CN221065291U (en) 2023-11-07 2023-11-07 Floating support clamping mechanism

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202322995652.0U CN221065291U (en) 2023-11-07 2023-11-07 Floating support clamping mechanism

Publications (1)

Publication Number Publication Date
CN221065291U true CN221065291U (en) 2024-06-04

Family

ID=91250309

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202322995652.0U Active CN221065291U (en) 2023-11-07 2023-11-07 Floating support clamping mechanism

Country Status (1)

Country Link
CN (1) CN221065291U (en)

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