CN106346271A - Metamorphic multifunctional double-end clamp - Google Patents

Abstract

The invention provides a metamorphic multifunctional double-end clamp. A push rod of the clamp is connected with a middle shaft, first rods penetrate through sliding grooves to be connected with the push rod, third rods penetrate through sliding grooves to be connected with the push rod, second rods are connected with the first rods, and the second rods and upper clamp hands are connected through second movable hinges. The first rods are connected with the third rods. The first rods are connected with lower clamp hands, fourth rods are connected with the upper clamp hands, the fourth rods are connected with the first rods, fifth rods are connected with the third rods, and the fifth rods are connected with the lower clamp hands. Sixth rods penetrate through sliding grooves to be connected with the push rod, and the sixth rods are connected with the fourth rods. The middle shaft is installed on an output shaft of a machine tool motor and connected with the output shaft into a whole, the push rod linearly reciprocates in the middle shaft, and then the four upper clamp hands and the four lower clamp hands can be simultaneously opened or closed. Double-end clamping can be achieved, the metamorphic multifunctional double-end clamp is multidirectional, flexible and light, and working efficiency is improved.

Description

A kind of change multifunctional double-headed fixture of cell type

Technical field

The present invention relates to mechanical clamp field, especially a kind of change multifunctional double-headed fixture of cell type.

Background technology

With the fast development of industrial or agricultural technology, all kinds of fixtures have obtained extensive research and development and have applied, and work for improving Productivity ratio, improving labor intensity has the impact of highly significant.Machine-building be unable to do without Metal Cutting Machine Tool, and jig is then It is to ensure that mechanical processing quality, improve production efficiency, reduce labor intensity, reduce excessive demand to workman's technology, realize life Produced one of indispensable important process equipment of process automation.Jig is widely used in manufacturing industry, a large amount of special machines The use of bed fixture provides essential condition for producing in enormous quantities.In order to realize adaptive security crawl or height apery handss Motion, is essentially all two fingers, three fingers or the five fingers mechanical paw adopting free joint type at present, but the drive in each joint Much more dynamic adopt motor and wire rope gearing, so by big for the rotator inertia leading to mechanical clamp, control system is complicated, high cost, The low problem of reliability, and mostly can only grip one, inefficiency.In view of the above problems it is necessary to provide a kind of new The free articulated robot paw of type, to solve the above problems.

Content of the invention

It is an object of the invention to provide a kind of become the multifunctional double-headed fixture of cell type, meeting traditional mechanical fixture job requirements And under the premise of bar linkage structure is simple, as long as power source just can realize the Space expanding of complexity it is adaptable to any Power source includes pneumatic, hydraulic pressure, servomotor etc., and more simpler than the mechanical clamp transmission of similar machines formula transmission, work Shi Yundong is more reliable, and clamping amplitude and dynamics require to be more easy to meet, using lightness and high-strength material processing, movement inertia Little, mechanical property is good, and is capable of being closed at up and down or opening, grip multiple workpiece the advantages of.Many in a kind of change cell type Function double end fixture is contracted to during will closing, because whole mechanism achieves change born of the same parents, the of every upper fixture finger Two bars and upper fixture handss become as a right angle bar, every lower clamp handss the 3rd bar and lower clamp handss also become a right angle , so that upper fixture handss and lower clamp handss rigidity and stability also improve, the inner space of crawl target is big and is not likely to produce for bar Excessive deformation, that grabs is more solid and reliable.

The present invention to reach a kind of above-mentioned purpose: change multifunctional double-headed fixture of cell type by the following technical programs, including bone Frame part and fixture handss are it is characterised in that described skeleton part concrete structure and connected mode are:

Described skeleton is by push rod, each four identical clips handss, axis form up and down.Each upper fixture finger includes: the One bar, the second bar, the 4th bar, the 6th bar, upper fixture handss, the first fixed hinge, the first hinges, the second hinges, Five hinges, the 6th hinges, the 7th hinges, the 9th hinges, the tenth hinges and chute；Under each Fixture finger includes: the first bar, the 3rd bar, the 4th bar, the 5th bar, the first fixed hinge, the second fixed hinge, the 3rd moveable hinge Chain, the 7th hinges, the 8th hinges；First bar is connected through chute with push rod, and the 3rd bar passes through chute with push rod even Connect, the second bar is connected with the first bar, the second bar is connected with the second hinges with upper fixture hand getting, the first bar and the 3rd bar adopt 3rd hinges connect；First bar is connected with the 4th hinges with lower clamp hand getting；4th bar and upper fixture hand getting use the Five hinges connect, and the 4th bar is connected using the 6th hinges with the first bar, and the 5th bar and the 3rd bar adopt hinges Connect, the 5th bar is connected with the 8th hinges with lower clamp hand getting；6th bar adopts the tenth moveable hinge with through chute push rod Chain connects, and the 6th bar is connected using the 9th hinges with the 4th bar；

Axis is arranged on and is connected as a single entity with output shaft on the output shaft of machine motor, reciprocating linear inside axis for the push rod Motion realize up and down each four identical clips handss while open or close.

The present invention has the prominent advantages that:

1st, the ingenious property of mechanism and simplicity.By the box-like mechanism of connection rod set ingenious achieve mechanical clamp handss open with Closure.

2nd, high working efficiency.When axis is arranged on lathe, mechanical workpieces can be gripped with double end.If adding foremost at it Suitable cutter, it can also meet different types of job requirements.

3rd, born of the same parents are flexibly become.A kind of change multifunctional double-headed fixture of cell type is contracted to during will closing, due to whole machine Structure achieves change born of the same parents, and the second bar of every upper fixture finger and upper fixture handss become as a right angle bar, every lower clamp hands it The 3rd bar and lower clamp handss also become a right angle bar so that upper fixture handss and lower clamp handss rigidity and stability also improve , the inner space of crawl target is big and is not likely to produce excessive deformation, and that grabs is more solid and reliable.

Brief description

Fig. 1 is the structural representation becoming the multifunctional double-headed fixture of cell type of the present invention.

Fig. 2 is the structural side view becoming the multifunctional double-headed fixture of cell type of the present invention.

Fig. 3 is the first bar axonometric drawing becoming the multifunctional double-headed fixture of cell type of the present invention.

Fig. 4 is the upper fixture handss becoming the multifunctional double-headed fixture of cell type of the present invention and lower clamp handss axonometric drawing.

Fig. 5 is the axis axonometric drawing becoming the multifunctional double-headed fixture of cell type of the present invention.

Fig. 6 is the push rod axonometric drawing becoming the multifunctional double-headed fixture of cell type of the present invention.

In figure is labeled as: push rod 1, upper fixture handss 2, the first bar 3, the second bar 4, the first hinges 5, the 3rd hinges 6th, the 4th hinges 7, the 3rd bar 8, lower clamp handss 9, the second fixed hinge 10, chute 11, axis 12, the first fixed hinge 13rd, the second hinges 14, the 5th hinges 15, the 4th bar 16, the 8th hinges 17, the 5th bar 18, the 7th moveable hinge Chain 19, the 6th hinges 20, the 6th bar 21, the 9th hinges 22, the tenth hinges 23.

Specific embodiment

Below by way of drawings and Examples, technical scheme is described further.

As shown in Figures 1 to 5, the change multifunctional double-headed fixture of cell type of the present invention, axis 12, push rod 1 and upper fixture Finger and lower clamp finger.

Each upper fixture finger includes: the first bar 3, the second bar 4, the 4th bar 16, the 6th bar 21, upper fixture handss 2, first Fixed hinge 13, the first hinges 15, the second hinges 14, the 5th hinges 15, the 6th hinges the 20, the 7th are lived Dynamic hinge 19, the 9th hinges 22, the tenth hinges 23, chute 11；Each lower clamp finger includes: the first bar 3, Three bars 8, the 4th bar 16, the 5th bar 18, the first fixed hinge 13, the second fixed hinge 10, the 3rd hinges the 6, the 7th activity Hinge 19, the 8th hinges 17；

Push rod 1 is connected using moving sets with axis 12；First bar 3 passes through chute 11 to adopt the first fixed hinge with push rod 1 13 connections, the first bar 3 is connected using the first hinges 15 with the second bar 4, and the first bar 3 and the 3rd bar 8 adopt the 3rd moveable hinge Chain 6 connects；Second bar 4 is connected using the second hinges 14 with upper fixture handss 2；3rd bar 8 passes through chute and push rod 1 to adopt the Two fixed hinges 10 connect, and the 3rd bar 8 is connected using the 3rd hinges 6 with the first bar 3, and the 3rd bar 8 and lower clamp handss 9 adopt 4th hinges 7 connect；4th bar 16 is connected using the 5th hinges 15 with upper fixture handss 2, the 4th bar 16 and the first bar 3 Connected using the 6th hinges 20, the 4th bar 16 is connected using the 7th hinges 19 with the 3rd bar 4；5th bar 18 and the 3rd Bar 8 adopts the 7th hinges to connect 19, and the 4th bar 16 is connected using the 8th hinges 17 with lower clamp handss 9；6th bar 21 It is connected using the tenth hinges 23 with through chute 11 push rod 1, the 6th bar 21 and the 4th bar 16 adopt the 9th hinges 22 Connect；Axis 12 is arranged on and is connected as a single entity with output shaft on the output shaft of machine motor, and push rod 1 is back and forth straight axis 12 the inside Line motion realize up and down each four identical clips handss while open or close.

Operation principle and process:

Axis 12 is generally connected with machine output shaft, when push rod 1 is in the motion upwards of axis 12 the inside, every upper fixture First bar 3 of finger and the 3rd bar 8 of the 6th bar 21 and lower clamp finger are just flared out in the presence of push rod, also will simultaneously Power has passed to the second bar 4 and the 4th bar 16 and the 5th bar 18.4th bar 16 just pushes out folder in the presence of the 6th bar 21 power Tool handss 2.Meanwhile, the 4th bar 16 pushes out lower clamp handss 9 by the 5th bar 18 in the presence of the 6th bar 21 power, so just Achieve closure while upper fixture finger and lower clamp finger, the whole born of the same parents' double end fixture upper fixture finger that becomes achieves one In, bottom expands outwardly and top is to the closed action of contract or promptly action, during lower clamp finger achieves, top to Outer expansion and bottom are to the closed action of contract or promptly action.Make the first bar 3 when push rod 1 moves upwards close to chute During 11 top dead centre, the second bar 4 of every upper fixture finger is become as a right angle bar the connection in other bars with upper fixture handss 2 Translation upwards under cooperation.Whole mechanism achieves change born of the same parents, and the speed of motion and impact have also slowed down it is achieved that during paw closure Flexible contact with object.Now, push rod 1 more up motion paw closure or promptly more solid and reliable.

When push rod 1 moves downward inside axis 12, the of the first bar 3 of every upper fixture finger and lower clamp finger Three bars just in the presence of push rod to contract, also power has been passed to the second bar 4 and the 5th bar 18 simultaneously.4th bar 16 is just Fixture handss 2 are inwardly pulled in the presence of six bar 21 power.Meanwhile, the 5th bar 18 inwardly draws in the lower of effect of the 4th bar 16 power Lower clamp handss 9, open while so just achieving upper fixture finger and lower clamp finger, whole change born of the same parents' double end fixture upper fixture Finger achieves in one, bottom expands outwardly to contract and top expansion action or loosening up, lower clamp finger In achieving, the expansion action that expands outwardly to contract and bottom of top or loosening up.

Claims (5)

1. a kind of change multifunctional double-headed fixture of cell type, including skeleton part and fixture handss it is characterised in that described skeleton part has Body structure and connected mode are:

Described skeleton includes push rod, fixture handss and axis, and described push rod is connected with axis, and the first bar passes through chute with push rod even Connect, the 3rd bar is connected through chute with push rod, the second bar is connected with the first bar, the second bar and upper fixture hand getting the second moveable hinge Chain connects, and the first bar is connected using the 3rd hinges with the 3rd bar；First bar is with lower clamp hand getting with the 4th hinges even Connect；4th bar is connected with the 5th hinges with upper fixture hand getting, and the 4th bar is connected using the 6th hinges with the first bar, the Five bars are connected using hinges with the 3rd bar, and the 5th bar is connected with the 8th hinges with lower clamp hand getting；6th bar with wear Crossing chute push rod adopts the tenth hinges to connect, and the 6th bar is connected using the 9th hinges with the 4th bar；Axis is arranged on It is connected as a single entity with output shaft on the output shaft of machine motor, linear reciprocating motion inside axis for the push rod realizes each four up and down Open while identical clips handss or close.

2. the change multifunctional double-headed fixture of cell type according to claim 1 is it is characterised in that the length of described chute should expire Foot: when push rod moves the top dead centre making the first bar and the 3rd bar arrival chute upwards, upper fixture handss are with lower clamp handss Front end can be of completely closed；When push rod moves the lower dead center making the first bar and the 3rd bar arrival chute upwards, upper fixture handss Sufficiently large with can opening foremost of lower clamp handss.

3. the change multifunctional double-headed fixture of cell type according to claim 1 is it is characterised in that the configuration design of described second bar Effect be push rod move upwards make the first bar close to the top dead centre of chute when, the second bar of every upper fixture finger and upper folder Tool handss become as a right angle bar translation upwards under the synergy of other bars, not with lower clamp finger the 3rd bar with Fixture handss become a right angle bar downward translation under the synergy of other bars, and whole mechanism realizes becoming born of the same parents, the speed of motion Degree and impact slow down, and realize the flexible contact with object when upper fixture handss are closed with lower clamp handss.

4. the change multifunctional double-headed fixture of cell type according to claim 1 is it is characterised in that described upper fixture finger includes the One bar, the second bar, the 4th bar, upper fixture handss, the first fixed hinge, the first hinges, the second hinges, the 5th moveable hinge Chain, the 6th hinges, the 7th hinges and chute.

5. the change multifunctional double-headed fixture of cell type according to claim 1 is it is characterised in that described lower clamp finger includes the One bar, the 3rd bar, the 4th bar, the 5th bar, the first fixed hinge, the second fixed hinge, the 3rd hinges, the 7th moveable hinge Chain, the 8th hinges.