CN216939599U

CN216939599U - Milling machine fixture with adjustable height

Info

Publication number: CN216939599U
Application number: CN202220012899.9U
Authority: CN
Inventors: 陈虹; 罗旭
Original assignee: Guizhou Dibaoer Machinery Manufacturing Co ltd
Current assignee: Guizhou Dibaoer Machinery Manufacturing Co ltd
Priority date: 2022-01-05
Filing date: 2022-01-05
Publication date: 2022-07-12
Anticipated expiration: 2032-01-05

Abstract

The utility model discloses a milling machine fixture with adjustable height, which belongs to the technical field of milling machine fixtures and comprises an installation frame, a height adjusting mechanism and a clamping mechanism; the height adjusting mechanism is arranged on the inner side of the mounting frame to adjust the height of the clamping mechanism, and the clamping mechanism is arranged at the output end of the height adjusting mechanism to clamp the workpiece. The utility model realizes the height adjustment of the workpiece, the operation of the whole process is simple, and the workpiece is more stable when moving.

Description

Milling machine fixture with adjustable height

Technical Field

The utility model relates to the technical field of milling machine fixtures, in particular to a milling machine fixture with an adjustable height.

Background

When a milling machine clamp meets machining workpieces with different heights, the relative height of the workpiece and the clamp is often required to be adjusted to ensure that the workpiece to be machined can be clamped and is convenient to machine, a gasket is often additionally arranged at the bottom of the workpiece to adjust the height in the prior art, and the method has the following problems: the gasket and the workpiece are easy to slide relatively to influence machining, and secondly, the gaskets with different thicknesses are required to be replaced for different machined workpieces, so that the operation is more complicated;

in contrast, chinese patent publication No. CN201520711043.0 discloses "a height-adjustable milling jig for machining centers, which includes a jig body, wherein the jig body is provided with at least one workpiece groove, the workpiece groove penetrates the jig body transversely, an air bag is arranged in the workpiece groove, the air bag is connected to a gas generating device, one end of the air bag is fixedly connected to the bottom of the workpiece groove, and the other end of the air bag is fixedly connected to a metal plate";

the height of the workpiece positioned in the bottom of the workpiece groove is adjusted by filling corresponding amount of gas into the gas bag, the mode has obvious defects, when the gas bag is inflated, the gas in the gas bag can be dispersed to all parts, so that the bottom of the workpiece groove can be subjected to forces in different directions when the gas bag is expanded, the workpiece is unstable when moved, and even the position of the workpiece can be deviated, so that the processing of the workpiece is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a height-adjustable milling machine fixture, which solves the problem that the workpiece proposed in the background art is unstable during moving.

In order to achieve the purpose, the utility model provides the following technical scheme: a milling machine fixture with adjustable height comprises an installation frame, a height adjusting mechanism and a clamping mechanism; height adjusting mechanism installs the inboard of mounting bracket, in order to right fixture carries out height control, fixture installs height adjusting mechanism's output is in order to carry out the centre gripping to the work piece.

Preferably, the height adjusting mechanism comprises a servo motor and a central gear; servo motor fixed mounting be in the inboard of mounting bracket, sun gear rotates to be installed the inboard of mounting bracket, and with servo motor's output shaft fixed connection.

Preferably, the height adjusting mechanism further comprises two internal thread sleeve shafts, two gear rings and two threaded rods; two the internal thread sleeve axle rotates to be installed the inboard both ends of mounting bracket, two the ring gear is fixed mounting respectively two the top of internal thread sleeve axle, two the threaded rod runs through correspondingly the internal thread sleeve axle, and with internal thread sleeve axle threaded connection.

Preferably, the clamping mechanism comprises a base, the base is fixedly installed at the tops of the two threaded rods, and the base can slide in the vertical direction on the inner side of the mounting frame.

Preferably, the clamping mechanism further comprises two fixing plates, two cylinders and two clamping plates; the two fixing plates are fixedly installed at the two ends of the top of the fixing plate respectively, the two cylinders are fixedly installed at the corresponding outer sides of the fixing plates respectively, the output ends of the two cylinders are fixedly connected with the corresponding clamping plates, and the two clamping plates can slide on the top surface of the base.

Preferably, the inner sides of the two clamping plates are fixedly provided with cushion pads, and the areas of the two cushion pads are smaller than the areas of the corresponding clamping plates.

Compared with the prior art, the utility model has the beneficial effects that: when the height of a workpiece is adjusted, the servo motor is started to enable the central gear to rotate, so that the two gear rings rotate synchronously and the steering directions are the same, the two internal thread sleeve shafts rotate synchronously, the two threaded rods and the corresponding internal thread sleeve shafts displace relatively, the two threaded rods can drive the base to move up and down, the height adjustment of the workpiece is achieved, the whole process is simple to operate, and the workpiece is more stable when moving.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the height adjustment mechanism of the present invention;

FIG. 3 is a schematic structural diagram of the clamping mechanism of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a mounting frame; 2. a height adjustment mechanism; 21. a servo motor; 22. a sun gear; 23. an internal thread sleeve shaft; 24. a ring gear; 25. a threaded rod; 3. a clamping mechanism; 31. a base; 32. a fixing plate; 33. a cylinder; 34. a splint;

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a milling machine fixture with adjustable height comprises an installation frame 1, a height adjusting mechanism 2 and a clamping mechanism 3; the height adjusting mechanism 2 is installed on the inner side of the installation frame 1 to perform height adjustment on the clamping mechanism 3, and the clamping mechanism 3 is installed on the output end of the height adjusting mechanism 2 to clamp a workpiece.

The height adjusting mechanism 2 comprises a servo motor 21, a central gear 22, two internal thread sleeve shafts 23, two gear rings 24 and two threaded rods 25; the servo motor 21 is fixedly arranged on the inner side of the mounting frame 1, and the central gear 22 is rotatably arranged on the inner side of the mounting frame 1 and is fixedly connected with an output shaft of the servo motor 21; two internal thread sleeve shafts 23 are rotatably installed at two ends of the inner side of the installation frame 1, two gear rings 24 are respectively and fixedly installed at the top ends of the two internal thread sleeve shafts 23, and two threaded rods 25 penetrate through the corresponding internal thread sleeve shafts 23 and are in threaded connection with the internal thread sleeve shafts 23.

The clamping mechanism 3 comprises a base 31, the base 31 is fixedly arranged at the tops of the two threaded rods 25, and the base 31 can slide in the vertical direction on the inner side of the mounting frame 1;

the clamping mechanism 3 further comprises two fixing plates 32, two air cylinders 33 and two clamping plates 34; the two fixing plates 32 are respectively and fixedly arranged at two ends of the top of the fixing plate 32, the two cylinders 33 are respectively and fixedly arranged at the outer sides of the corresponding fixing plates 32, the output ends of the two cylinders 33 are fixedly connected with the corresponding clamping plates 34, and the two clamping plates 34 can slide on the top surface of the base 31; the cushions are fixedly mounted on the inner sides of the two clamping plates 34, the areas of the two cushions are smaller than the areas of the corresponding clamping plates 34, so that the clamping plates 34 can be uniformly stressed when clamping workpieces, the stability of the workpieces is guaranteed, and the cushions avoid damage caused by overlarge stress of the workpieces.

The working principle is as follows: first, a workpiece is placed between two clamp plates 34, and then the two clamp plates 34 are moved toward each other by simultaneously controlling two cylinders 33, so that the two clamp plates 34 clamp the workpiece; meanwhile, the buffer cushion prevents the workpiece from being damaged due to overlarge stress;

during height adjustment, start servo motor 21 and make sun gear 22 rotate to make two ring gear 24 synchronous rotation and turn to the same, this just makes two internal thread sleeve shafts 23 synchronous rotation, and then makes two threaded rods 25 and corresponding internal thread sleeve shaft 23 take place relative displacement, this just can make two threaded rods 25 drive base 31 and reciprocate, has just also realized the altitude mixture control of work piece, whole process easy operation, and is more stable when the work piece removes.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the utility model disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the utility model to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best utilize the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a milling machine fixture with adjustable height which characterized in that: comprises a mounting rack (1), a height adjusting mechanism (2) and a clamping mechanism (3); height adjusting mechanism (2) install the inboard of mounting bracket (1), in order to right fixture (3) carry out the altitude mixture control, fixture (3) are installed the output of height adjusting mechanism (2) in order to carry out the centre gripping to the work piece.

2. A height adjustable milling jig according to claim 1, wherein: the height adjusting mechanism (2) comprises a servo motor (21) and a central gear (22); servo motor (21) fixed mounting be in the inboard of mounting bracket (1), sun gear (22) rotate install the inboard of mounting bracket (1) and with servo motor (21) output shaft fixed connection.

3. A height adjustable milling jig as set forth in claim 1, wherein: the height adjusting mechanism (2) further comprises two internal thread sleeve shafts (23), two gear rings (24) and two threaded rods (25); two internal thread sleeve axle (23) rotate to be installed the both ends of mounting bracket (1) inboard, two ring gear (24) fixed mounting respectively is two the top of internal thread sleeve axle (23), two threaded rod (25) run through correspondingly internal thread sleeve axle (23) and with internal thread sleeve axle (23) threaded connection.

4. A height adjustable milling jig as set forth in claim 3, wherein: the clamping mechanism (3) comprises a base (31), the base (31) is fixedly installed at the tops of the two threaded rods (25), and the base (31) can slide on the inner side of the mounting frame (1) along the vertical direction.

5. A height adjustable milling jig as set forth in claim 4 wherein: the clamping mechanism (3) further comprises two fixing plates (32), two air cylinders (33) and two clamping plates (34); two fixed plate (32) fixed mounting respectively is in the both ends at fixed plate (32) top, two cylinder (33) fixed mounting respectively is corresponding the outside of fixed plate (32), two the output of cylinder (33) with corresponding splint (34) fixed connection, two splint (34) all can slide on base (31) top surface.

6. A height adjustable milling jig as set forth in claim 5 wherein: the inner sides of the two clamping plates (34) are fixedly provided with cushion pads, and the areas of the two cushion pads are smaller than the areas of the corresponding clamping plates (34).