CN113814904A

CN113814904A - Universal flexible vice for machining

Info

Publication number: CN113814904A
Application number: CN202111374641.XA
Authority: CN
Inventors: 申宾德; 李玉荣; 陈旦花; 刘鹏德; 陈佰旺; 温广贵; 王鑫山
Original assignee: Wuwei Occupational College
Current assignee: Wuwei Occupational College
Priority date: 2021-11-19
Filing date: 2021-11-19
Publication date: 2021-12-21
Anticipated expiration: 2041-11-19
Also published as: CN113814904B

Abstract

The invention relates to the field of machining, in particular to a universal flexible vice for machining, which comprises a vice base, a flat vice seat and a movable vice seat, wherein the flat vice seat and the movable vice seat are arranged on the vice base; two flexible jaw blocks are symmetrically arranged in the movable jaw, and the flexible jaw blocks are 1/4 circular disc rotating jaw blocks and are connected to two ends of the movable jaw through two reaming hole bolts. The invention has simple structure, reliable clamping, convenient operation, low manufacturing and refitting cost, can effectively reduce the labor intensity, can self-adapt to different shapes of the contour surface of the part, and is easy to realize and maintain.

Description

Universal flexible vice for machining

Technical Field

The invention relates to the field of machining, in particular to a universal flexible vice for machining.

Background

The parallel jaw vice is a main fixture of a planer, a milling machine, a drilling machine, a grinding machine and an slotting machine, and is widely used for processing parts such as various surfaces, grooves, angles and the like of the milling machine, the drilling machine and the like. With the continuous development of the advanced manufacturing industry, the contour shape of a mechanical part is more and more complex, the precision is higher and higher, and the quality of the part is influenced by the clamping problem of a machine tool. In addition, in order to meet the market competition requirements of informatization, automation, specialization and the like of the processing and manufacturing industry, the design and manufacture of the tool clamp are very important.

At present, the design and manufacture of clamps at home and abroad mainly aim at high-end complex combined special clamps which are high in price, are not suitable for the requirements of small and medium-sized enterprises and bring difficulty to small-batch production, and although general parallel jaw vices are widely applied in the mechanical manufacturing industry, especially in the mechanical processing of milling, planing, drilling and the like, due to numerous inconveniences, the performance and the efficiency of the universal parallel jaw vices are to be improved. The clamping principle of the parallel jaw vice is that the workpiece is clamped through screw transmission, and the parallel jaw vice has the advantages of large clamping force and reliable clamping. However, in practical production and application, because the shape of the workpiece is different in size, the movable jaw and the fixed jaw need to be opened and closed frequently, and the workpiece is clamped or loosened by rotating the clamping handle for a long time under the influence of the clamping screw transmission lead, so that the operation is time-consuming and labor-consuming, the labor intensity is high, the efficiency is low, and the appearance of the precise part has certain defects such as damage, and in addition, most of the existing vices are flat, the jaw function is single, and the movable jaw and the fixed jaw cannot be suitable for workpieces of different shapes.

Disclosure of Invention

In order to solve the problems, the invention provides a universal flexible vice for machining, which overcomes the problems of uneven stress of a workpiece, unstable machining and the like caused by overlarge fit clearance of a machine vice; the problems that clamping is unreliable, and the consistency of repeated clamping is poor when the existing light and precise workpiece is machined are solved.

In order to achieve the purpose, the invention adopts the technical scheme that: a general flexible vice for machining comprises a vice base, a parallel vice seat and a movable vice seat, wherein the parallel vice seat and the movable vice seat are installed on the vice base; two flexible jaw blocks are symmetrically arranged in the movable jaw, and the flexible jaw blocks are 1/4 circular disc rotating jaw blocks and are connected to two ends of the movable jaw through two reaming hole bolts.

Furthermore, the adjustable jaw seat is connected with the plain jaw seat in a matched mode through the runner groove, the adjustable jaw seat is horizontally moved to a proper position according to the size of a workpiece during clamping, and a fastening screw on the adjustable jaw seat is fastened.

Furthermore, the flexible jaw blocks are symmetrically arranged at the upper end and the lower end of the inner side of the movable jaw, and the rotating angle is 0-90 degrees.

Furthermore, a fixed jaw block with a rubber anti-slip layer uniformly arranged on the surface is arranged in the parallel jaw vice seat.

Furthermore, a rubber anti-skid layer is uniformly arranged outside the flexible jaw block.

Furthermore, bolts matched with the hinged hole bolts are pre-buried on the adjustable jaw seat.

Furthermore, the flexible jaw block adopts an electromagnetic block, and after the target angle is reached, the flexible jaw block can be firmly adsorbed on the adjustable jaw seat by electrifying the flexible jaw block, so that the relative locking of the current target angle is realized.

The invention has simple structure, reliable clamping, convenient operation, low manufacturing and refitting cost, can effectively reduce the labor intensity, can self-adapt to different shapes of the contour surface of the part, and is easy to realize and maintain. The self-adjusting function of the flexible jaw block is utilized, so that the clamp is suitable for clamping irregular curved surfaces; the movable jaw can move quickly, the clamping time of parts is shortened, and the production efficiency is improved; the fine adjustment device is adopted, the stability of the large clearance fit for clamping the part is avoided, labor is saved, and the damage to the surface of the part is reduced.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic diagram illustrating a usage status of the present invention;

FIG. 3 is a schematic view of another usage state of the present invention;

FIG. 4 is a schematic view of another usage state of the present invention;

fig. 5 is a schematic view of another usage status according to an embodiment of the present invention.

Detailed Description

In order that the objects and advantages of the invention will be more clearly understood, the invention is further described in detail below with reference to examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1-5, an embodiment of the present invention provides a general flexible vise for machining, which includes a vise base 5, and a flat vise base 1 and a movable vise base mounted on the vise base, where the adjustable vise base and the flat vise base are connected in a fitting manner through a runner groove, and when clamping, the adjustable vise base is horizontally moved to a suitable position according to the size of a workpiece, and a fastening screw on the adjustable vise base is fastened. The movable jaw seat comprises an adjustable jaw seat 6 and a movable jaw 4, the movable jaw is connected with the adjustable jaw seat under the action of a guide pin, the movable jaw and a jaw block are driven to horizontally move on the guide pin through a rotating screw rod, a pin sleeve matched with the guide pin is embedded on the movable jaw, and small clearance fit is selected between the guide pin and the pin sleeve, so that the time of rotating and driving the screw rod during clamping is shortened, and meanwhile, the movable jaw is effectively prevented from moving up and down due to overlarge guide clearance in the moving process, and the movable jaw is caused to move. Two flexible jaw blocks 3 are symmetrically arranged in the movable jaw, the flexible jaw blocks are rotary jaw blocks of 1/4 disks and are connected to two ends of the movable jaw through two hinged hole bolts, and when the jaw blocks rotate, irregular parts such as round parts, cam parts, irregular polygons and the like are installed and clamped by utilizing the inconsistency of radial radiuses. Therefore, the self-adjusting function of the parallel jaw vice is realized, and the purpose of flexible clamping is achieved.

In the embodiment, the flexible jaw blocks are symmetrically arranged at the upper end and the lower end of the inner side of the movable jaw, the rotating angle is 0-90 degrees, the requirement of clamping the contours of irregular parts such as curved surfaces, polygons and the like is met by utilizing the change of the radial radius of the flexible jaw blocks, the adaptability of the flexible jaw is realized, and the jaw function is greatly improved.

In this embodiment, be equipped with a fixed vice mouth piece 2 that the surface evenly is provided with the rubber skid resistant course in the parallel jaw vice seat, the flexible vice mouth piece evenly is provided with a rubber skid resistant course outward, when can the part stabilize the centre gripping, can avoid the damage to the part as far as possible.

Furthermore, the flexible jaw block adopts an electromagnetic block, and after the target angle is reached, the flexible jaw block can be firmly adsorbed on the adjustable jaw seat by electrifying the flexible jaw block, so that the relative locking of the current target angle is realized. In order to avoid the complexity of the circuit, the power can be supplied by adopting a mode of a built-in battery, and a button for switching on and off is arranged on the flexible jaw block.

The clamping process and the working principle of the specific implementation are as follows: the vice base is installed on horizontal work platforms such as lathe, utilize the characteristics of treating centre gripping work piece, through the little clearance fit of the groove of walking horse of adjustable vice mouth seat and vice base, the position of the adjustable vice mouth seat of quick horizontal adjustment at the vice base, wait movable vice mouth and treat when centre gripping work piece thick contact, according to part appearance characteristics, the rotating position of rotatory vice mouth piece of proper adjustment, then the lead screw of rotary control movable vice mouth horizontal migration, make movable vice mouth drive rotatory vice mouth piece even, steady removal under the condition that adapts to different work piece appearances, the good part of centre gripping.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention.

Claims

1. The utility model provides a general flexible vice is used in machining, includes the vice base and installs parallel port tiger's vice seat and activity vice-versa mouth seat on the vice base, its characterized in that: the movable jaw seat comprises an adjustable jaw seat and a movable jaw, the movable jaw is connected with the adjustable jaw seat under the action of a guide pin, the movable jaw and a jaw block are driven to horizontally move on the guide pin together through a rotary screw rod, a pin sleeve matched with the guide pin is embedded on the movable jaw, and the guide pin is matched with the pin sleeve by a small gap; two flexible jaw blocks are symmetrically arranged in the movable jaw, and the flexible jaw blocks are 1/4 circular disc rotating jaw blocks and are connected to two ends of the movable jaw through two reaming hole bolts.

2. The universal flexible vise for machining according to claim 1, further comprising: the adjustable jaw seat is connected with the plain jaw seat in a matched mode through the runner groove, the adjustable jaw seat is horizontally moved to a proper position according to the size of a workpiece during clamping, and a fastening screw on the adjustable jaw seat is fastened.

3. The universal flexible vise for machining according to claim 1, further comprising: the flexible jaw blocks are symmetrically arranged at the upper end and the lower end of the inner side of the movable jaw, and the rotating angle is 0-90 degrees.

4. The universal flexible vise for machining according to claim 1, further comprising: and a fixed jaw block with a rubber anti-slip layer uniformly arranged on the surface is arranged in the parallel jaw vice seat.

5. The universal flexible vise for machining according to claim 1, further comprising: and a rubber anti-slip layer is uniformly arranged outside the flexible jaw block.

6. The universal flexible vise for machining according to claim 1, further comprising: and bolts matched with the hinged hole bolts are pre-embedded in the adjustable jaw seats.

7. The universal flexible vise for machining according to claim 1, further comprising: the flexible jaw block adopts the electromagnetic block, and after the target angle is reached, the flexible jaw block can be firmly adsorbed on the adjustable jaw seat by electrifying the flexible jaw block, so that the relative locking of the current target angle is realized.