CN207223465U - A kind of flexibility centralizer - Google Patents

Abstract

A kind of flexibility centralizer, belong to the clamp art that lathe is used for square cross clamping with automatic production line, including pedestal, sliding cylinder, left skateboard, left jamming claw installing plate, left jamming claw, the first left-handed oscillating bearing, the first connecting shaft, the first dextrorotation oscillating bearing, the second dextrorotation oscillating bearing, the second connecting shaft, the second left-handed oscillating bearing, right jamming claw installing plate, right jamming claw, right slide plate, rotating arm, slide installing plate, line slideway, fixing axle, bearing.The utility model, which solves, existing to be completed centering using manual operation break-down and clamps but the problems such as centered positions are constant, station is kept with discharging and labor intensity is big, work efficiency is low, unstable product quality, the worker that at the same time industrial grade can be arranged relatively low is operated, operability is high, significantly reduce human cost, and compact overall structure, be swift in motion, be convenient and reliable.

Description

A flexible centering fixture

technical field

The utility model belongs to the technical field of clamps for clamping square workpieces in machine tools and automatic production lines, which realizes flexible centering, automatic clamping, station maintenance and automatic release of square workpieces with different specifications, and relates to a flexible centering clamp.

Background technique

At present, machine tools and automated production lines use manual sub-processes to complete the centering and clamping when clamping square workpieces of different specifications, but the centering position remains unchanged, and the station is maintained and released. The labor intensity is high, the work efficiency is low, and the product quality is unstable. It is necessary to arrange workers with a higher technical level to operate, which has low operability and greatly increases labor costs.

Utility model content

The purpose of this utility model is to provide a flexible centering fixture for the above-mentioned shortcomings, which can realize flexible centering, automatic clamping, station maintenance and automatic release of square workpieces of different specifications, and has a compact structure and is easy to install Debugging, reducing labor intensity, improving efficiency and quality.

The purpose of this utility model is achieved through the following technical solutions, a flexible centering fixture is provided with a base, a sliding cylinder, a left claw, a fixed shaft, a rotating arm, a linear guide rail, and a right claw; There are sliding cylinders, fixed shafts, and linear guides; the rotating arm is rotatably connected to the fixed shaft through bearings;

The sliding plate of the sliding cylinder is fixedly connected to the left sliding plate, and one end of the left sliding plate is connected to the left jaw through the left jaw mounting plate; the other end of the left sliding plate is connected to one end of the rotating arm through the first left-handed joint bearing, the first connecting shaft, and the first right-handed joint bearing ;The other end of the rotating arm is connected to one end of the right sliding plate through the second right-handed joint bearing, the second connecting shaft and the second left-handed joint bearing, and the right sliding plate is connected with the sliding seat of the linear guide rail through the sliding seat mounting plate; the other end of the right sliding plate is connected through the right The claw mounting plate is connected to the right claw, and the left claw and the right claw are arranged oppositely.

Preferably, the inner holes of the first left-handed joint bearing and the second left-handed joint bearing are left-handed threaded holes.

Preferably, the inner holes of the first right-handed joint bearing and the second right-handed joint bearing are right-handed threaded holes.

Preferably, one end of the first connecting shaft and the second connecting shaft is a left-handed thread, and the other end is a right-handed thread.

Preferably, one end of the fixed shaft is externally threaded, and the other end is internally threaded.

Preferably, the linear guide includes a sliding seat and a guide rail.

The beneficial effect of the utility model is: the flexible centering fixture of the utility model, its main technical feature is that the sliding cylinder is fixedly connected with the base, the left sliding plate is fixedly connected with the sliding plate of the sliding cylinder, and the upper and lower ends of the left jaw mounting plate are respectively connected with the left The slide plate is fixedly connected with the left claw, the left end and the right end of the left-handed joint bearing are respectively fixedly connected with the left slide plate and the left end of the connecting shaft, the left end and the right end of the right-handed joint bearing are respectively fixedly connected with the right end of the connecting shaft and one end of the rotating arm, and the right-handed The left end and the right end of the joint bearing two are respectively fixedly connected with the other end of the rotating arm and the left end of the connecting shaft two; The seat mounting plate is fixedly connected with the linear guide rail sliding seat, the linear guide rail is fixedly connected with the base, the upper and lower ends of the right claw mounting plate are respectively fixedly connected with the right slide plate and the right claw, the rotating arm is rotationally connected with the fixed shaft through the bearing, and the fixed shaft Fixed connection with the base. A flexible centering fixture proposed by the utility model has a reasonable structure and a clear working principle, and solves the problems of manual sub-processes to complete the centering clamping but the centering position remains unchanged, station maintenance and release, and labor intensity and work. Low efficiency, unstable product quality, etc., at the same time, workers with lower technical levels can be arranged to operate, with high operability, significantly reducing labor costs, and the overall structure is compact, the action is fast, convenient and reliable.

Description of drawings

Figure 1 is a three-dimensional structural schematic diagram of the flexible centering fixture of the utility model (excluding the base).

Fig. 2 is a front structural schematic diagram of the flexible centering fixture of the present invention.

Fig. 3 is a schematic diagram of the B-B sectional structure in Fig. 2;

Accompanying drawing 1, 2, 3: base 1, slide cylinder 2, left slide plate 3, left claw installation plate 4, left claw 5, the first left-handed joint bearing-6, the first connecting shaft 7, the first right Rotary joint bearing 8, second right-handed joint bearing 9, second connecting shaft 10, second left-handed joint bearing 11, right claw mounting plate 12, right claw 13, right sliding plate 14, rotating arm 15, sliding seat mounting plate 16. Linear guide rail 17, fixed shaft 18, bearing 19.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is further described:

As shown in Figures 1, 2, and 3, a flexible centering fixture includes a base 1, a sliding cylinder 2, a left slide plate 3, a left claw mounting plate 4, a left claw 5, a first left-handed joint bearing 6, a One connecting shaft 7, the first right-handed joint bearing 8, the second right-handed joint bearing 9, the second connecting shaft 10, the second left-handed joint bearing 11, the right claw mounting plate 12, the right claw 13, the right slide plate 14, Rotary arm 15, sliding seat mounting plate 16, linear guide rail 17, fixed shaft 18, bearing 19.

The sliding cylinder 2 is fixedly connected with the base 1, the left sliding plate 3 is fixedly connected with the sliding plate of the sliding cylinder 2, the upper end and the lower end of the left claw mounting plate 4 are respectively fixedly connected with the left sliding plate 3 and the left claw 5, and the first left-handed joint bearing 6 The left end and the right end are respectively fixedly connected with the left slide plate 3 and the left end of the first connecting shaft 7, the left end and the right end of the first right-handed joint bearing 8 are respectively fixedly connected with the right end of the first connecting shaft 7 and one end of the rotating arm 15, and the second right-handed joint bearing 9. The left end and the right end are respectively fixedly connected with the other end of the rotating arm 15 and the left end of the second connecting shaft 10; The seat mounting plate 16 is fixedly connected, the sliding seat mounting plate 16 is fixedly connected with the slide seat of the linear guide rail 17, the linear guide rail 17 is fixedly connected with the base 1, and the upper end and the lower end of the right claw mounting plate 12 are connected with the right slide plate 14 and the right claw respectively. 13 is fixedly connected, the rotating arm 15 is rotationally connected with the fixed shaft 18 through the bearing 19, and the fixed shaft 18 is fixedly connected with the base 1.

As shown in Figures 1, 2, and 3, a flexible centering fixture, the inner holes of the first left-handed joint bearing 6 and the second left-handed joint bearing 11 are left-handed threaded holes; the first right-handed joint bearing 8 and the second right-handed joint bearing The inner hole of the joint bearing 9 is a right-handed threaded hole; one end of the first connecting shaft 7 and the second connecting shaft 10 is a left-handed thread, and the other end is a right-handed thread; one end of the fixed shaft 18 is an external thread, and the other end is an internal thread; Guide rail 17 comprises slide seat and guide rail.

As shown in Figures 1, 2, and 3, a flexible centering fixture works as follows: First, according to the centering position requirements of square workpieces of different specifications (to the left, to the right or in the middle), by adjusting the above-mentioned first left-handed joint Bearing 6, the first right-handed joint bearing 8, the second left-handed joint bearing 11, and the second right-handed joint bearing 9 realize flexible centering First, place square workpieces of different specifications between the left jaw 5 and the right jaw 13 , by adjusting the first left-handed joint bearing 6 and the first right-handed joint bearing 8 and the second left-handed joint bearing 11 and the second right-handed joint bearing 9 to make both sides symmetrical, the center position of the workpiece is in the middle, Increase the distance between the first left-handed joint bearing 6 and the first right-handed joint bearing 8 by adjusting the above-mentioned first left-handed joint bearing 6 and the first right-handed joint bearing 8 and adjust the above-mentioned second left-handed joint bearing 11 and the second right-handed joint bearing. Rotary joint bearing 9 reduces the distance between the second left-handed joint bearing 11 and the second right-handed joint bearing 9, then the center position of the workpiece is to the left. Similarly, by adjusting the above-mentioned first left-handed joint bearing 6 and the first right-handed joint bearing Bearing 8 reduces the distance between the first left-handed joint bearing 6 and the first right-handed joint bearing 8 and adjusts the above-mentioned second left-handed joint bearing 11 and the second right-handed joint bearing 9 to increase the second left-handed joint bearing 11 and the second The distance between the right-handed joint bearings 9 means that the center position of the workpiece is to the right to realize flexible centering; secondly, after the centering is completed according to the requirements, the above-mentioned sliding cylinder 2 drives the left card through the left slide plate 3 and the left claw mounting plate 4 Claw 5 moves, and drives rotating arm 15 to rotate around fixed shaft 18 through first left-handed joint bearing 6, first connecting shaft 7, first right-handed joint bearing 8 simultaneously, and rotating arm 15 passes second right-handed joint bearing 9, second The connecting shaft 10, the second left-handed joint bearing 11, and the right sliding plate 14 drive the right claw 13 to move along the linear guide rail 17 (the whole movement process), to realize automatic clamping, station maintenance and automatic release; in summary, according to different specifications of the square Workpiece centering position requirements (left, right or middle), to achieve flexible centering, automatic clamping, station maintenance and automatic release, constitute a flexible centering fixture.

The specific implementation above shows and describes the main features of the utility model, with reasonable and compact structure, clear working principle, quick action, convenience and reliability, and its purpose is to allow those familiar with this technology to understand the content of the utility model and implement it, and The scope of protection of the utility model cannot be limited by this, and all equivalent changes or modifications made according to the spirit of the utility model shall be covered within the protection orientation of the utility model.

Claims (6)

1. a kind of flexibility centralizer, it is characterized in that, equipped with pedestal（1）, sliding cylinder（2）, left jamming claw（5）, fixing axle（18）、 Rotating arm（15）, line slideway（17）, right jamming claw（13）；Pedestal（1）On be respectively fixed with sliding cylinder（2）, fixing axle（18）、 Line slideway（17）；Rotating arm（15）Pass through bearing（19）With fixing axle（18）Rotation connection；

Sliding cylinder（2）Slide plate and left skateboard（3）It is fixedly connected, left skateboard（3）One end passes through left jamming claw installing plate（4）Connection Left jamming claw（5）；Left skateboard（3）The other end passes through the first left-handed oscillating bearing（6）, the first connecting shaft（7）, the first dextrorotation joint shaft Hold（8）Connect rotating arm（15）One end；Rotating arm（15）The other end passes through the second dextrorotation oscillating bearing（9）, the second connecting shaft （10）, the second left-handed oscillating bearing（11）Connect right slide plate（14）One end, right slide plate（14）Pass through slide installing plate（16）With it is straight Line guide rail（17）Slide be connected；Right slide plate（14）The other end passes through right jamming claw installing plate（12）Connect right jamming claw（13）, it is left Claw（5）, right jamming claw（13）It is oppositely arranged.

2. a kind of flexible centralizer according to claim 1, it is characterized in that, the first left-handed oscillating bearing（6）With Second left-handed oscillating bearing（11）Its endoporus is left handed threaded hole.

3. a kind of flexible centralizer according to claim 1, it is characterized in that, the first dextrorotation oscillating bearing（8）With Second dextrorotation oscillating bearing（9）Its endoporus is right-handed thread hole.

4. a kind of flexible centralizer according to claim 1, it is characterized in that, first connecting shaft（7）Connect with second Spindle（10）One end is left hand thread, and the other end is right-handed thread.

5. a kind of flexible centralizer according to claim 1, it is characterized in that, the fixing axle（18）One end is outer spiral shell Line, the other end are internal thread.

6. a kind of flexible centralizer according to claim 1, it is characterized in that, the line slideway（17）Including slide and Guide rail.