CN204505039U

CN204505039U - Quick vice

Info

Publication number: CN204505039U
Application number: CN201520153748.5U
Authority: CN
Inventors: 蒋维学
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-03-18
Filing date: 2015-03-18
Publication date: 2015-07-29
Anticipated expiration: 2025-03-18

Abstract

This patent application discloses a kind of quick vice, relate to clamping device, for the problem that piece-holder speed in process is excessively slow, this programme comprises screw mandrel, adjustable clamp and base, base rotation is connected with the screw mandrel with positive/negative thread section, and positive/negative thread Duan Shangjun is equipped with adjustable clamp; Base is also provided with screw axis to parallel guide rail, adjustable clamp coordinates with slide, can bi-directional synchronization clamp fast.

Description

Quick vice

Technical field

The utility model relates to clamping device, is specifically related to a kind of quick vice.

Background technology

Vice, also known as bench vice, is used to the universal fixturing of holding workpiece, for stable processing work, is the indispensable instrument of tool and bench shop.The usual structure of vice is made up of base, screw mandrel, adjustable clamp, fixing pincers etc., and fixing pincers are fixed on base, and screw mandrel one end is fixed on fixing pincers, and adjustable clamp coordinates with wire rod thread.

During operation, swinging handle makes screw mandrel rotate, drive adjustable clamp relatively to fix pincers along screw mandrel to move axially, thus the clamping realized workpiece or unloading, but if screw mandrel only have an adjustable clamp move along screw mandrel, in high-frequency production and processing, very slow to the speed of piece-holder and unloading, be unfavorable for the clamping and the unloading that complete workpiece fast, affect the progress of production and processing.

Utility model content

The purpose of this utility model is to provide a kind of bi-directional synchronization can carry out the quick vice of holding workpiece.

This programme is as follows: quick vice, comprises screw mandrel, adjustable clamp and base, and base rotation is connected with the screw mandrel with positive/negative thread section, and positive/negative thread Duan Shangjun is equipped with adjustable clamp; Base is also provided with screw axis to parallel guide rail, adjustable clamp coordinates with slide.

This programme operation principle and technique effect as follows: the positive/negative thread section in this programme on screw mandrel is: be arranged on two sections of screw threads that hand of helix on screw mandrel is contrary, positive/negative thread section respectively with two adjustable clamp threaded engagement, screw mandrel is rotatably assorted on through hole, because two ends hand of spiral is contrary on screw mandrel, therefore time screw mandrel rotates to a direction, if plus thread drives an adjustable clamp to prolong guide rail to the right, left-hand thread drives another adjustable clamp along guide rail left, now, two adjustable clamps realize synchronously drawing close, realize the clamping to workpiece, in like manner screw mandrel reversely rotates, the unloading of workpiece will be realized.Compare on traditional vice screw mandrel and connect an adjustable clamp, screw mandrel drives single-unit activity pincers towards fixing pincers motion, the speed of the utility model two adjustable clamp bi-directional synchronization moving clip clamping of workpieces is twices of single-unit activity clamp clamping of workpieces speed, fast clamp or discharging workpieces can be realized, thus improve the efficiency of production and processing, reduce the working strength of staff, work high-effective and labour-saving more.

Further, screw mandrel two ends are all rotatably connected on base, and when to piece-holder or unloading, screw mandrel is more stable.

Further, guide rail is the gathering sill be arranged on base, and screw mandrel interts in gathering sill, guide rail adopts the mode arranging gathering sill on base, make guide rail and gathering sill can be one-body molded, add the firmness of guide rail and base, save material simultaneously and reduce difficulty of processing; Screw mandrel interts in gathering sill, makes overall structure compacter.

Further, be removably fixed with the jaw of wear-resisting type inside two adjustable clamps, jaw adopts high-abrasive material to make, make it have good wearability, avoid running into the higher workpiece of hardness, cause jaw to damage, even if jaw damages, because take dismountable fixed form, be also convenient to change.

Further, jaw upper surface is higher than adjustable clamp upper surface 2-5cm, the screwed hole for regular jaw is provided with outside two adjustable clamps, when larger by the workpiece size that clamps, jaw is fixed on inside adjustable clamp, jaw distance on two adjustable clamps is less than by the size of holding workpiece, jaw can be fixed on the outside of two adjustable clamps, adapt to the workpiece that size is larger, jaw upper surface is higher than holder upper surface 2-5cm, ensure that jaw relative motion pincers have enough elongated ends, thus stable holding workpiece.

Further, the screw thread of screw mandrel is trapezoidal thread, due to when processing work, workpiece all directions all may be subject to stronger impulsive force, therefore require to obtain piece-holder enough firm, wire rod thread can bear larger load, and trapezoidal thread has the good feature of flute profile intensity, so adopt trapezoidal thread can strengthen the firm grip degree of workpiece.

Accompanying drawing explanation

Fig. 1 is the structural representation of the utility model embodiment 1;

Fig. 2 is the utility model embodiment 1 upward view;

Fig. 3 is the schematic diagram of adjustable clamp in the utility model embodiment 1;

Fig. 4 is the front view of the utility model embodiment 2.

Detailed description of the invention

Below by detailed description of the invention, the utility model is described in further detail:

Reference numeral in Figure of description comprises: holder 1, guide way 2, jaw 3, screw mandrel 4, base 5, workpiece 6.

Embodiment 1 is substantially as follows:

As shown in Figure 1: the application comprises base 5, screw mandrel 4 and adjustable clamp, base 5 is provided with rectangular gathering sill, base 5 is provided with through hole, screw mandrel 4 and through hole are rotatably assorted, screw mandrel 4 axis and gathering sill directed parallel, 2 screw mandrels 4 are provided with plus thread section and left-hand thread section by reference to the accompanying drawings, by reference to the accompanying drawings shown in 3, adjustable clamp comprises guide way 2 and holder 1, holder 1 and guide way 2 are fixed together, holder 1 and guide way 2 are integrated and are made, adjustable clamp and gathering sill are slidably matched, and the guide way 2 in adjustable clamp and screw mandrel 4 threaded engagement, at plus thread section and left-hand thread section threaded engagement adjustable clamp respectively, in the inner side that two adjustable clamps are relative, the each regular jaw 3 of difference on holder 1.

For strengthening the firm grip degree of vice, in this programme, the screw thread of screw mandrel 4 adopts trapezoidal thread.

The employing high-abrasive material of jaw 3 is made, and jaw 3 can be passed through heat treatment and hardens, and makes it have good wearability.

During processing work 6, rotary screw 4, make two adjustable clamp band movable clamp ports 3 separately, when the width that adjustable clamp separates to workpiece 6 can be placed on jaw 3, then workpiece 6 is placed between jaw 3, reversely rotate screw mandrel 4, two jaws 3 are drawn close and is clamped to workpiece 6, namely complete the clamping of workpiece 6.

Because take, the contrary screw thread of direction of both ends is set on a screw mandrel 4, close or the principle simultaneously of the adjustable clamp on the screw thread of two ends is driven during rotary screw 4, therefore relative to the screw mandrel 4 of the screw thread in a direction, the speed of clamping and unloading can be improved, reduce working strength simultaneously, there is the feature of Labor-saving high-efficiency.

Embodiment 2 is substantially as follows:

As shown in Figure 4, jaw 3 upper surface is higher than holder 1 upper surface 2cm, the screwed hole of detachable regular jaw 3 is provided with outside two holders 1, when workpiece 6 is oversize, jaw 3 is fixed on holder 1 north side when being not enough to holding workpiece 6, be threaded because jaw 3 and holder 1 adopt, therefore jaw 3 can be taken off inside holder 1, then be arranged on outside holder 1, and the upper surface of jaw 3 is higher than holder 1 upper surface 2cm, therefore, available jaw 3 is higher than holder 1 part holding workpiece 6, and other are arranged as in Example 1.When workpiece 6 width is less than jaw 3 Breadth Maximum, stable in order to ensure that workpiece 6 clamps further, jaw 3 upper surface can be adopted higher than holder 1 upper surface 5cm, make jaw 3 have sufficient length from holder 1 upper surface holding workpiece 6.

The present embodiment adopts outside two holders 1 in all can the scheme of regular jaw 3, can clamp equally, increase the scope of application of quick vice to large-sized workpiece.

Above-described is only embodiment of the present utility model, and in scheme, the general knowledge such as known concrete structure and characteristic does not do too much description at this.Should be understood that; for a person skilled in the art, under the prerequisite not departing from the utility model structure, some distortion and improvement can also be made; these also should be considered as protection domain of the present utility model, and these all can not affect effect and the practical applicability of the utility model enforcement.The protection domain that this application claims should be as the criterion with the content of its claim, and the detailed description of the invention in description etc. record the content that may be used for explaining claim.

Claims

1. quick vice, comprises screw mandrel, adjustable clamp and base, it is characterized in that, described base rotation is connected with the screw mandrel (4) with positive/negative thread section, and positive/negative thread Duan Shangjun is equipped with adjustable clamp; Base is also provided with the guide rail axially parallel with screw mandrel (4), adjustable clamp coordinates with slide.

2. quick vice according to claim 1, is characterized in that, described screw mandrel (4) two ends are all rotatably connected on base.

3. quick vice according to claim 1 and 2, is characterized in that, described guide rail is the gathering sill be arranged on base, and described screw mandrel (4) interts in gathering sill.

4. quick vice according to claim 1, is characterized in that, is removably fixed with the jaw (3) of wear-resisting type inside described two adjustable clamps.

5. quick vice according to claim 4, is characterized in that, described jaw (3) upper surface, higher than adjustable clamp upper surface 2-5cm, is provided with the screwed hole for regular jaw (3) outside described two adjustable clamps.

6. quick vice according to claim 1, is characterized in that, the screw thread of described screw mandrel (4) is trapezoidal thread.