A kind of clamping device
Technical field
The present invention relates to a kind of clamping device.
Background technology
In the production process of the sealing strip that automotive window uses, need to be fixedly clamped to sealing strip, then just can carry out Punching Technology.At present, being all by being manually fixed sealing strip, causing the sealing strip produced to there is certain deviation, poor repeatability, and artificial fixed efficiency is low, affects speed of production.
Summary of the invention
The object of the present invention is to provide a kind of clamping device, can effectively be fixedly clamped sealing strip, can improve again the production efficiency of sealing strip simultaneously.
To achieve these goals, the present invention adopts following technical scheme: a kind of clamping device, comprise holder, described holder is provided with the through hole that can hold a driving wedge and slide up and down, can contact with a driving mechanism bottom described driving wedge, described holder is fixed with profiling block, described through hole is through profiling block, described profiling block is fixed with the spring bearer plate one covering through hole upper end, described spring bearer plate one is connected by the first spring with driving wedge, to be positioned on holder monosymmetric is provided with and somely can holds through holder the slideway that a slide block horizontally slips for described through hole, described slideway is provided with the spring bearer plate two fixed with holder away from through hole one end, described spring bearer plate two is connected by the second spring with slide block, described slide block is fixedly connected with clamp, described clamp under the horizontally slipping of slide block near or away from profiling block.Holder can be arranged to square or circular, or even other shapes, profiling block on holder can be arranged to and holder same shape, also can be arranged to and holder difformity, several slideways can be provided with on holder simultaneously, the corresponding clamp of each slideway, a clamping device can clamp some sealing strips simultaneously, increases work efficiency.
Drive a kind of set-up mode of wedge, described driving wedge comprises driving wedge top and drives wedge bottom, described driving wedge upper width diminishes formation inclined-plane from lower to upper gradually, the width of described driving wedge bottom is equal with the width of through hole, and the bottom of described driving wedge bottom can contact with described driving mechanism.Under driving the driving mechanism of wedge in bottom to promote, up slide, the spacing between slide block and driving wedge diminishes gradually, and slide block is under the effect driving wedge upper inclined surface, and slide block slides to away from through hole direction.
Further, described through hole lower end is provided with a stopper, and the width of described stopper adds the width driving the width of wedge to be greater than through hole.Stopper prevents from driving wedge to depart from through hole.
A kind of connected mode of clamp and slide block, described clamp and slide block screw thread affixed.
Further, described through hole passes the center of holder and profiling block.
Drive wedge under the promotion of driving mechanism, up slide, to diminish gradually formation inclined-plane owing to driving wedge upper width, slide block is under the promotion driving wedge, slide in direction away from through hole, thus making slide block drive clamp away from the motion of profiling Block direction, clamp outwards opens to a certain degree, namely can take out the sealing strip of the completion of processing in profiling block and clamp; Put into the sealing strip that needs processing again, now remove the active force of driving mechanism, under the effect of the bounce of the first spring and the second spring, slide block is slided near through hole direction, drive wedge slide downward, drive the bottom of wedge bottom and stopper to abut against, slide block drives clamp to draw close pinch seal bar to profiling block, carries out the processing of this sealing strip.Driving mechanism can employing cylinder, during the piston rod jack-up of cylinder, touch with driving the bottom connection of wedge thus make driving wedge upward sliding, when the piston rod of cylinder restores to the original state, the bottom of wedge bottom and stopper is driven to abut against, there is certain distance with piston rod, hydraulic cylinder and other driving mechanisms can certainly be adopted.
The present invention compared with prior art, there is following beneficial effect: 1, by driving wedge and the first spring, elastic force between slide block and the second spring, and the active force between driving wedge and slide block, under the promotion of driving mechanism, drive the clamping of clamp and profiling block and unclamp, can effective fixing seal bar, can process many sealing strips simultaneously, not only efficiency is high, and the sealing strip processed is reproducible; 2, the opening and clamping whole process energy smooth transition of clamp, does not produce extra noise, is conducive to reducing workshop noise, protection operating personnel.
Accompanying drawing explanation
Fig. 1 is the structure sectional view of a kind of clamping device of the present invention.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further described.
As shown in Figure 1, a kind of clamping device of the present invention, comprise holder 1, described holder 1 is provided with the through hole 3 that can hold a driving wedge 2 and slide up and down, can contact with a driving mechanism bottom described driving wedge 2, described holder 1 is fixed with profiling block 4, described through hole 3 is through profiling block 4, described profiling block 4 is fixed with the spring bearer plate 1 covering through hole 3 upper end, described spring bearer plate 1 is connected by the first spring 6 with driving wedge 2, to be positioned on holder 1 monosymmetric is provided with two through holder 1 and can holds the slideway that a slide block 7 horizontally slips for described through hole 3, described slideway is provided with the spring bearer plate 28 fixed with holder 1 away from through hole 3 one end, described spring bearer plate 28 is connected by the second spring 9 with slide block 7, described slide block 7 is fixedly connected with clamp 10, described clamp 10 under the horizontally slipping of slide block 7 near or away from profiling block 4.Holder can be arranged to square or circular, or even other shapes, profiling block on holder can be arranged to and holder same shape, also the shape different from holder can be arranged to, two slideways can be provided with on holder simultaneously, the corresponding clamp of each slideway, a clamping device can clamp two sealing strips simultaneously, increases work efficiency.
Drive a kind of set-up mode of wedge 2, described driving wedge 2 comprises driving wedge top 21 and drives wedge bottom 22, described driving wedge top 21 width diminishes formation inclined-plane from lower to upper gradually, the width of described driving wedge bottom 22 is equal with the width of through hole 3, and the bottom of described driving wedge bottom 22 can contact with described driving mechanism.Under driving the driving mechanism of wedge 2 in bottom to promote, up slide, the spacing between slide block 7 and driving wedge diminishes gradually, and slide block 7 is under the effect driving inclined-plane, wedge top 21, and slide block 7 slides to away from through hole 3 direction.
Described through hole 3 lower end is provided with a stopper 11, and the width of described stopper 11 adds the width driving the width of wedge 2 to be greater than through hole 3.Stopper 11 prevents from driving wedge 2 to depart from through hole 3.
A kind of connected mode of clamp 10 and slide block 7, described clamp 10 is affixed with slide block 7 screw thread.
Described through hole 3 is through the center of holder 1 with profiling block 4.
Drive wedge 2 under the promotion of driving mechanism, up slide, to diminish gradually formation inclined-plane owing to driving wedge top 21 width, slide block 7 is under the promotion driving wedge 2, slide in direction away from through hole 3, thus making slide block 7 drive clamp 10 away from the motion of profiling block 4 direction, clamp 10 outwards opens to a certain degree, namely can take out the sealing strip 12 of the completion of processing in profiling block 4 and clamp 10; Put into the sealing strip 12 that needs processing again, now remove the active force of driving mechanism, under the effect of the bounce of the first spring 6 and the second spring 9, slide block 7 is slided near through hole 1 direction, drive wedge 2 slide downward, and the bottom of driving wedge bottom 22 and stopper 11 are abutted against, slide block 7 drives clamp 10 to draw close pinch seal bar 12 to profiling block 4, carries out the processing of this sealing strip 12.Driving mechanism can employing cylinder, during the piston rod jack-up of cylinder, touch with driving the bottom connection of wedge thus make driving wedge upward sliding, when the piston rod of cylinder restores to the original state, the bottom of wedge bottom and stopper is driven to abut against, there is certain distance with piston rod, hydraulic cylinder and other driving mechanisms can certainly be adopted.
The present invention compared with prior art, there is following beneficial effect: 1, by driving wedge 2 and the first spring 6, elastic force between slide block 7 and the second spring 9, and the active force between driving wedge 2 and slide block 7, under the promotion of driving mechanism, drive the clamping of clamp 10 and profiling block 4 and unclamp, can effective fixing seal bar, can process two sealing strips simultaneously, not only efficiency is high, and the sealing strip processed is reproducible; 2, the opening and clamping whole process energy smooth transition of clamp, does not produce extra noise, is conducive to reducing workshop noise, protection operating personnel.