CN215659109U - Anchor clamps fixed establishment of digit control machine tool - Google Patents

Abstract

The utility model relates to the technical field of numerical control machine tool clamps, and particularly discloses a clamp fixing mechanism of a numerical control machine tool. Including the base with establish the clamping device on the base, it has the function groove to open on the base, clamping device is including establishing the double lead screw in the function groove, the equal symmetrical threaded connection in double lead screw both ends has the slider, equal rigid coupling has the grip slipper that is used for pressing from both sides tight anchor clamps on the slider, be equipped with the motor that is used for rotating double lead screw on the base, the equal symmetry in opposite is equipped with pressure-sensitive device on the grip slipper, pressure-sensitive device includes pressure cell and pressure sensor, pressure sensor is connected with the motor electricity, equal sliding connection has the clamp plate on the pressure cell, be equipped with the fixing base on the base, the workstation top is equipped with the clamp plate, be equipped with on the fixing base and be used for fixing the fixing device on anchor clamps with the clamp plate. The clamp fixing mechanism of the numerical control machine tool improves the stability of a clamping clamp, is not easy to damage the clamp and has high practicability.

Description

Anchor clamps fixed establishment of digit control machine tool

Technical Field

The application relates to the technical field of numerical control machine tool clamps, and particularly discloses a clamp fixing mechanism of a numerical control machine tool.

Background

The numerically controlled machine tool fixture is one device for clamping workpiece and guiding cutter. Which is a jig specially designed for a certain process of a certain workpiece. Its advantages are compact structure, quick and convenient operation, high machining precision and productivity, long design and manufacture period and high cost. When the product is changed, the clamp will be rejected as no longer usable. Is only suitable for the fixed and large-batch production of products. It is in contact with the positioning references of the workpiece for determining the correct position of the workpiece in the holder, thus ensuring a correct relative position of the workpiece with respect to the tool and the machining movement of the machine tool during machining.

When the fixing mechanism of the existing numerical control machine tool is used for fixing clamps with different sizes, a large amount of time is needed for clamping, so that the working efficiency is low, the clamps are required to be manually fixed when being fixed, the tightness during fixing is not convenient to control, and the clamps are easily damaged by the fixing mechanism.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problem that the traditional clamp fixing device is inconvenient to control the tightness of a fixed clamp and is easy to damage the clamp.

In order to achieve the above purpose, the basic scheme of the utility model provides a fixture fixing mechanism of a numerical control machine tool, which comprises a base and a clamping device arranged on the base, wherein a functional groove is formed on the base, the clamping device comprises a double-head screw rod arranged in the functional groove, two ends of the double-head screw rod are symmetrically and threadedly connected with slide blocks, the slide blocks are fixedly connected with clamping seats for clamping the fixture, a motor for rotating the double-head screw rod is arranged on the base, a workbench arranged between the clamping seats is arranged on the base, pressure sensing devices are symmetrically arranged on the opposite surfaces of the clamping seats, each pressure sensing device comprises a pressure box detachably connected on the clamping seat and a pressure sensor arranged in the pressure box, the pressure sensors are electrically connected with the motor, clamping plates for sensing data by the pressure sensors are all slidably connected on the pressure boxes, a fixed seat is arranged on the base, and a pressing plate slidably connected with the fixed seat is arranged above the workbench, the fixing seat is provided with a fixing device used for fixing the pressing plate on the clamp.

The principle and effect of this basic scheme lie in:

1. the double-end lead screw is rotated through the motor, so that the sliders connected with the two ends of the double-end lead screw in a threaded mode slide in opposite directions, the clamping seats on the two sliders are close to each other, the clamp on the workbench is effectively fixed and clamped, the clamp is convenient to detach and replace, and the applicability of the device is improved.

2. Through setting up fixing device and clamp plate, fix anchor clamps on the workstation in the axial, further effectively fix anchor clamps, promoted the stability of centre gripping anchor clamps, avoid influencing the machining precision because of anchor clamps are unstable.

3. In the clamping process of the clamping plate and the clamp, the motor can be controlled to rotate through the threshold value of the pressure sensor arranged in the pressure box so as to adjust the tightness of the clamp clamped by the clamping plate, and the damage caused by overlarge pressure on the surface of the clamp is avoided.

Compared with the prior art, the clamping seat is at radial mounting fixture, and the clamp plate has promoted the stability of centre gripping anchor clamps greatly at axial mounting fixture, utilizes pressure sensor can accurate control clamp plate clamping fixture's elasticity, solves the problem that traditional anchor clamps fixing device is not convenient for control mounting fixture's elasticity and destroys anchor clamps easily.

Further, the rigid coupling has a plurality of mounting panels on the pressure cell lateral wall, and equal threaded connection has first bolt on the mounting panel, all is equipped with on the grip slipper can with first bolt complex screw hole. The pressure box is convenient to install and detach through the threaded hole of the first bolt in the clamping seat in a threaded manner.

Further, a pressure plate connected with the inner wall of the pressure box in a sliding mode is arranged between the pressure sensor and the clamping plate. Through setting up the pressure plate messenger pressure sensor can even atress, and the data that detect is more accurate, is favorable to controlling the elasticity.

Furthermore, a plurality of springs are fixedly connected between the clamping plate and the pressure box, and backing plates are arranged on the opposite surfaces of the clamping plate. Impact when the clamp plate clamps the clamp is reduced by arranging the spring and the base plate, and the clamp is effectively protected.

Further, fixing device includes that the symmetry is established the cross spout in the fixing base both sides and the symmetry is established in clamp plate both sides and with cross spout complex cross piece, equal threaded connection has the second bolt on the fixing base on the cross piece. The pressing plate is fixed at different positions on the fixing seat through the second bolt, so that the clamp is conveniently fixed between the workbench and the pressing plate.

Furthermore, a first guide rod connected with the sliding block in a sliding manner is arranged in the function groove, and a second guide rod connected with the pressing plate in a sliding manner is arranged on the fixing seat. The sliding block and the pressing plate can move stably by arranging the first guide rod and the second guide rod, and clamping is more stable.

Furthermore, a plurality of dovetail grooves for installing the base on a machine tool are uniformly arranged on the bottom surface of the base. The dovetail groove is utilized to install the base on the machine tool more conveniently and quickly.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic structural diagram illustrating a clamp fixing mechanism of a numerical control machine tool according to an embodiment of the present application;

fig. 2 is a cross-sectional view illustrating a pressure plate in a clamp fixing mechanism of a numerical control machine tool according to an embodiment of the present disclosure;

fig. 3 shows a cross-sectional view of a pressure sensing device in a clamp fixing mechanism of a numerical control machine tool according to an embodiment of the present application.

Detailed Description

To further illustrate the technical means and effects of the present invention for achieving the intended purpose of the utility model, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.

Reference numerals in the drawings of the specification include: the clamping device comprises a base 1, a double-headed screw 2, a sliding block 3, a first guide rod 4, a clamping seat 5, a pressure box 6, a pressure sensor 7, a mounting plate 8, a first bolt 9, a pressure plate 10, a clamping plate 11, a spring 12, a backing plate 13, a workbench 14, a fixed seat 15, a second guide rod 16, a pressure plate 17, a cross block 18, a second bolt 19, a dovetail groove 20 and a motor 21.

The embodiment is shown in figure 1, and comprises a base 1 and a clamping device arranged on the base 1, wherein the base 1 is provided with a functional groove, the clamping device comprises a double-head screw 2 arranged between the left inner wall and the right inner wall of the functional groove through a bearing, the screw thread directions of the two ends of the double-head screw 2 are opposite, the two ends of the double-head screw 2 are both in threaded connection with a slide block 3, a first guide rod 4 in sliding connection with the slide block 3 is welded between the left inner wall and the right inner wall of the functional groove, the first guide rod 4 can enable the slide block 3 to move stably, the slide block 3 is both welded with a clamping seat 5 for clamping a clamp, the right side wall of the base 1 is provided with a motor 21 coaxially connected with the double-head screw 2 through a bearing, the opposite surfaces of the clamping seat 5 are both symmetrically provided with pressure induction devices,

as shown in FIG. 3, the pressure sensing device comprises a pressure box 6 arranged on a clamping seat 5 and a pressure sensor 7 arranged at the bottom of the pressure box 6, mounting plates 8 are symmetrically welded at the left side and the right side of the pressure box 6, first bolts 9 are in threaded connection with the mounting plates 8, threaded holes matched with the first bolts 9 are formed in the clamping seat 5, the pressure boxes 6 are conveniently mounted and dismounted, a pressure plate 10 on the pressure sensor 7 is in sliding connection with the inner wall of the pressure box 6, the pressure sensor 7 can be uniformly stressed by arranging the pressure plate 10, detected data are more accurate, the tightness can be controlled, a clamping plate 11 penetrating through the pressure box 6 is welded on the pressure plate 10, a plurality of springs 12 are welded between the clamping plate 11 and the pressure box 6, a backing plate 13 is clamped on the opposite surface of the clamping plate 11, and impact generated when the clamping plate 11 clamps is reduced by arranging the springs 12 and the backing plate 13, the clamp is effectively protected, the pressure sensor 7 is electrically connected with the motor 21,

as shown in figure 2, a workbench 14 between clamping seats 5 is clamped on a base 1, a plurality of chip grooves for chip removal are uniformly formed on the workbench 14, a fixed seat 15 is welded on the base 1, a sliding groove is formed on the fixed seat 15, two second guide rods 16 are welded between the upper inner wall and the lower inner wall of the sliding groove, a pressure plate 17 which is connected with the second guide rods 16 in a sliding manner is arranged above the workbench 14, cross sliding grooves are formed on two side walls of the fixed seat 15, cross blocks 18 which are integrally formed with the pressure plate 17 are matched in the cross sliding grooves, second bolts 19 on the fixed seat 15 are connected on the cross blocks 18 in a threaded manner, the pressure plate 17 is fixed on the fixed seat 15 at different positions by arranging the second bolt 19, so that the clamp is conveniently fixed between the workbench 14 and the pressure plate 17, as shown in figure 1, a plurality of dovetail grooves 20 for installing the base 1 on a machine tool are uniformly formed on the bottom surface of the base 1, and the base 1 can be installed on the machine tool more conveniently and quickly by using the dovetail grooves 20.

Compared with the prior art, the clamp is fixed by the clamping seat 5 in the radial direction and the clamp is fixed by the pressing plate 17 in the axial direction, the stability of the clamping clamp is greatly improved, the tightness of the clamping clamp by the clamping plate 11 can be accurately controlled by using the pressure sensor 7, the problem that the clamp is easily damaged because the traditional clamp fixing device is not convenient to control the tightness of the fixing clamp is solved, the mounting plate 8 and the first bolt 9 are arranged to facilitate the mounting and dismounting of the pressure box 6, the second bolt 19 is arranged to fix the pressure plate 17 on the fixed seat 15 at different positions, so that the clamp is conveniently fixed between the workbench 14 and the pressure plate 17, the first guide rod 4 and the second guide rod 16 can ensure that the sliding block 3 and the pressing plate 17 move stably, the clamping is more stable, the chip removal groove is arranged, so that chips can be removed conveniently during machining, the chips are prevented from being accumulated to influence machining, and the dovetail groove 20 is arranged to install the base 1 on the machine tool conveniently and quickly.

In the implementation process of the embodiment, the device is firstly clamped on a suitable machine tool by using the dovetail groove 20, a threshold value is set for the pressure sensor 7 and then the pressure sensor is loaded into the pressure box 6, the pressure box 6 is installed on the clamping seat 5 by using the first bolt 9, a clamp to be used is placed on the workbench 14, the motor 21 is started, the clamping plates 11 on the pressure box 6 are controlled to be close, in the clamping process, when the clamping force of the clamping plates 11 reaches the threshold value, the motor 21 stops to complete the clamping of the clamp, the pressure plate 17 slides to the clamp, the second bolt 19 is screwed to fix the pressure plate 17 on the clamp, so that the clamp can be fixed in the radial direction and the axial direction, and the stability of the clamp when a workpiece is machined is improved.

Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims (7)

1. The utility model provides a anchor clamps fixed establishment of digit control machine tool which characterized in that: including the base with establish the clamping device on the base, it has the function groove to open on the base, clamping device is including establishing the double lead screw in the function groove, the equal symmetrical threaded connection in double lead screw both ends has the slider, equal rigid coupling has the grip slipper that is used for pressing from both sides tight anchor clamps on the slider, be equipped with the motor that is used for rotating double lead screw on the base, be equipped with the workstation between the grip slipper on the base, the equal symmetry of opposite on the grip slipper is equipped with pressure-sensing device, pressure-sensing device is including dismantling the pressure cell of connection on the grip slipper and establishing the pressure sensor in the pressure cell, pressure sensor is connected with the motor electricity, equal sliding connection has the clamp plate that is used for pressure sensor response data on the pressure cell, be equipped with the fixing base on the base, the workstation top is equipped with the clamp plate with fixing base sliding connection, be equipped with on the fixing base and be used for fixing the fixing device on anchor clamps with the clamp plate.

2. The clamp fixing mechanism of the numerical control machine tool is characterized in that a plurality of mounting plates are fixedly connected to the side wall of the pressure box, first bolts are connected to the mounting plates in a threaded mode, and threaded holes capable of being matched with the first bolts are formed in the clamping seat.

3. The clamp fixing mechanism of the numerical control machine tool is characterized in that a pressure plate connected with the inner wall of the pressure box in a sliding mode is arranged between the pressure sensor and the clamping plate.

4. The clamp fixing mechanism of a numerical control machine tool according to claim 1, wherein a plurality of springs are fixedly connected between the clamping plate and the pressure box, and a backing plate is arranged on each of opposite sides of the clamping plate.

5. The clamp fixing mechanism of the numerical control machine tool according to claim 1, wherein the fixing device comprises cross sliding grooves symmetrically arranged on two sides of the fixing seat and cross blocks symmetrically arranged on two sides of the pressing plate and matched with the cross sliding grooves, and second bolts on the fixing seat are in threaded connection with the cross blocks.

6. The clamp fixing mechanism of a numerical control machine tool according to claim 1, wherein a first guide rod slidably connected with the slide block is provided in the functional groove, and a second guide rod slidably connected with the pressure plate is provided on the fixing seat.

7. The clamp fixing mechanism of the numerical control machine tool according to claim 1, wherein a plurality of dovetail grooves are uniformly formed on the bottom surface of the base for mounting the base on the machine tool.

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