CN214136089U

CN214136089U - Clamping jaw device

Info

Publication number: CN214136089U
Application number: CN202022261230.7U
Authority: CN
Inventors: 康平; 杨萍
Original assignee: Shanghai Ruixi Automation Technology Co ltd
Current assignee: Shanghai Ruixi Automation Technology Co ltd
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2021-09-07
Anticipated expiration: 2030-10-12

Abstract

The utility model relates to a clamping jaw device, it includes clamping jaw device includes the fixing base, sets up slider-crank mechanism on the fixing base and sets up the drive assembly who drives slider-crank mechanism action on the fixing base, be provided with the slider on the fixing base, slider one end is connected the other end with drive assembly and is connected with slider-crank mechanism, slider-crank mechanism include with the slider rotate the connecting rod of being connected and with set up the briquetting on the connecting rod, slider-crank mechanism symmetry is provided with two sets ofly. The utility model discloses can do linear motion when pressing from both sides the cloth, satisfy the effect of pressing from both sides the cloth characteristic demand of getting.

Description

Clamping jaw device

Technical Field

The utility model belongs to the technical field of mechanical frock and specifically relates to a clamping jaw device is related to.

Background

At present, most of mechanical clamping jaws are of a double-finger jaw type, the mechanical clamping jaws are generally distinguished through a motion mode, a clamping mode and mechanism characteristics, and a clamping jaw device can clamp various materials.

When the material is got to the clamping jaw, open along the articulated shaft department rotation back of clamping jaw, the one end that the articulated shaft was kept away from each other to the clamping jaw, and the clamping jaw is opened this moment, and when the clamping jaw was in the material position, the clamping jaw rotated round the articulated shaft, and the one end that the articulated shaft was kept away from to the clamping jaw is close to each other, presss from both sides the material at last. But when the material of pressing from both sides and getting is the cloth, because the problem of cloth self shape, have certain requirement to the jack-knifing stroke of clamping jaw, the clamping jaw needs the parallel to be opened and is linear motion, and when the clamping jaw closure was lived the cloth, the clamping face of clamping jaw need paste tightly, but this kind of clamping jaw device of current can't be linear motion when opening or closing, because this kind of clamping jaw device is difficult to press from both sides and gets the cloth.

SUMMERY OF THE UTILITY MODEL

In order to make clamping jaw device can be linear motion when pressing from both sides the cloth of getting, satisfy the effect of pressing from both sides the cloth characteristic demand of getting, the utility model provides a clamping jaw device.

The utility model provides a pair of clamping jaw device adopts following technical scheme:

the utility model provides a clamping jaw device, clamping jaw device includes the fixing base, sets up slider-crank mechanism on the fixing base and sets up the drive assembly who drives slider-crank mechanism action on the fixing base, be provided with the slider on the fixing base, slider one end is connected the other end with drive assembly and is connected with slider-crank mechanism, slider-crank mechanism include with the slider rotate the connecting rod of being connected and with set up the briquetting on the connecting rod, slider-crank mechanism symmetry is provided with two sets ofly.

Through adopting above-mentioned technical scheme, clamping jaw device includes the fixing base, is provided with slider-crank mechanism and drive assembly on the fixing base. Be provided with the slider on the fixing base, slide along the length direction of fixing base, under drive assembly's effect, drive assembly drives the slider and slides in the fixing base, just can drive slider-crank mechanism motion. The driving assembly drives the sliding block to slide, the sliding block drives the connecting rod on the crank sliding block mechanism to move, and the stroke of the pressing block arranged on the connecting rod can move along a straight line under the driving of the connecting rod.

Preferably, the driving assembly comprises an air cylinder fixed at one end of the fixed seat far away from the crank sliding block mechanism, a limiting stopper arranged at one end of the air cylinder far away from the fixed seat, two speed regulating valves arranged on an air cylinder body and a sensor arranged on the air cylinder body.

Through adopting above-mentioned technical scheme, actuating mechanism includes the cylinder, and the piston rod of cylinder and the slider in the fixing base are connected, and during the piston rod motion of cylinder, can drive the slider and slide in the fixing base. In order to facilitate the control of the air cylinder by workers, a limiting stopper, a speed regulating valve and a sensor are arranged on the air cylinder, the limiting stopper can control the stroke position of the air cylinder, the speed regulating valve regulates the extending or retracting movement speed of a piston rod of the air cylinder, and the sensor realizes the signal detection of the opening and pressing positions of the clamping jaw device, so that the control of the PLC on the mechanism is realized. The clamping jaw mechanism is convenient for workers to operate.

Preferably, the slider-crank mechanism includes first slide mechanism and second slide mechanism, first slide mechanism includes the first crank of being connected with the slider rotation, rotates with first crank and is connected and keeps away from the third connecting rod of slider one end, rotates the first briquetting of being connected and both ends and rotate respectively at the first connecting rod of slider and first briquetting with the third connecting rod.

Through adopting above-mentioned technical scheme, first slide mechanism includes first crank, first connecting rod, third connecting rod and first briquetting, connects first crank and first connecting rod on the slider, and the third connecting rod sets up on first crank, when the piston rod motion of cylinder, drives the slider and removes, and the slider can enough drive first crank and first connecting rod and remove to drive the third connecting rod and remove, realize opening or closing of first briquetting.

Preferably, the second sliding mechanism comprises a second crank rotationally connected with the sliding block, a fourth connecting rod rotationally connected with the second crank and far away from one end of the sliding block, a second pressing block rotationally connected with the fourth connecting rod, and a second connecting rod with two ends respectively rotationally connected with the sliding block and the second pressing block.

Through adopting above-mentioned technical scheme, second slide mechanism includes second crank, second connecting rod, fourth connecting rod and second briquetting, connects second crank and second connecting rod on the slider, and the fourth connecting rod sets up on the second crank, and when the piston rod motion of cylinder, drive the slider and remove, the slider can enough drive second crank and second connecting rod removal to drive the fourth connecting rod removal, realize opening or closing of second briquetting. The first sliding mechanism and the second sliding mechanism are symmetrical structures, and the first sliding mechanism and the second sliding mechanism can be driven to operate together through the movement of the piston rod of the air cylinder, so that the first pressing block and the second pressing block can be close to each other or far away from each other.

Preferably, knurling grooves are formed in the pressing surfaces of the first pressing block and the second pressing block.

Through adopting above-mentioned technical scheme, seted up the knurling groove on the pressing surface of first briquetting and second briquetting, can increase frictional force, overcome the reverse effort of cloth.

Preferably, the fixing seat is provided with a plurality of mounting holes.

Through adopting above-mentioned technical scheme, seted up a plurality of mounting holes on the fixing base, supply the clamping jaw device to do the use of second grade motion assembly part.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the clamping jaw device comprises a fixed seat and a crank sliding block mechanism arranged on the fixed seat, a driving assembly for driving the crank sliding block mechanism to move is arranged on the fixed seat, the driving assembly can drive the crank sliding block mechanism to move on the fixed seat, and the first pressing block and the second pressing block arranged on the crank sliding block mechanism can do linear motion;

2. the crank sliding block mechanism comprises a first sliding mechanism and a second sliding mechanism, the first sliding mechanism and the second sliding mechanism are symmetrically arranged, and when a piston rod of the air cylinder extends out or retracts, a first pressing block and a second pressing block on the first sliding mechanism and the second sliding mechanism can be close to or far away from each other;

a plurality of mounting holes are formed in the fixing seat, and the clamping jaw device can be used for assembling parts in a two-stage motion mode.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the whole structure of the local sectional view of the fixing seat of the present invention.

Fig. 3 is a schematic structural diagram of the hidden driving assembly of the present invention.

Description of reference numerals: 1. a fixed seat; 11. a slider; 12. mounting holes; 2. a slider-crank mechanism; 21. a first sliding mechanism; 211. a first crank; 22. a second sliding mechanism; 221. a second crank; 23. a connecting rod; 231. a first link; 232. a second link; 233. a third link; 234. a fourth link; 3. a drive assembly; 31. a cylinder; 32. a stopper; 33. a speed regulating valve; 34. a sensor; 4. briquetting; 41. a first pressing block; 42. a second pressing block; 5. and (4) knurling a groove.

Detailed Description

The preferred embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents and other technical solutions without departing from the spirit and scope of the invention.

It will be understood by those skilled in the art that in the present disclosure, the terms "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in a generic and descriptive sense only and not for purposes of limitation, as the terms are used in the description to indicate that the referenced device or element must have the specified orientation, be constructed and operated in the specified orientation, and not for the purposes of limitation.

The embodiment of the application discloses clamping jaw device. Referring to fig. 1, the clamping jaw device includes a fixed seat 1, a slider-crank mechanism 2 disposed on the fixed seat 1, and a driving assembly 3 for driving the slider-crank mechanism 2 to move. A slide block 11 is arranged on the fixed seat 1, and the slide block 11 connects the crank slide block mechanism 2 and the driving component 3 together.

Referring to fig. 2 and 3, a plurality of mounting holes 12 are formed in the fixing base 1 for the clamping jaw device to perform two-stage movement for assembling parts. The slider-crank mechanism 2 comprises a first sliding mechanism 21 and a second sliding mechanism 22 which are symmetrically arranged along the fixed seat 1. The first sliding mechanism 21 comprises a first crank 211 rotatably connected with the slider 11, a third connecting rod 233 rotatably connected with the first crank 211, a first connecting rod 231 rotatably connected with the fixed seat 1, and a first pressing block 41 connected with both the first connecting rod 231 and the third connecting rod 233, wherein the middle part of the third connecting rod 233 is rotatably connected with the fixed seat 1; the second sliding mechanism 22 includes a second crank 221 rotatably connected to the slider 11, a fourth connecting rod 234 rotatably connected to the second crank 221, a second connecting rod 232 rotatably connected to the fixing base 1, and a second pressing block 42 connected to both the second connecting rod 232 and the fourth connecting rod 234. The pressing surfaces of the first pressing block 41 and the second pressing block 42 are planes, and the knurling grooves 5 are formed in the pressing surfaces, so that the friction force is increased, and the reacting force of the cloth is overcome.

Referring to fig. 2, the driving assembly 3 includes an air cylinder 31 disposed on the fixing base 1 and far away from one end of the first pressing block 41, a piston rod of the air cylinder 31 is connected to the sliding block 11, when the piston rod of the air cylinder 31 extends or retracts, the sliding block 11 slides on the fixing base 1 under the action of the piston rod of the air cylinder 31, and when the sliding block 11 slides, the first sliding mechanism 21 and the second sliding mechanism 22 can be driven to move, so that the first pressing block 41 and the second pressing block 42 are close to each other or far away from each other.

In order to facilitate the operation of the air cylinder 31 by the worker, referring to fig. 2, a stopper 32 is disposed at one end of the air cylinder 31 away from the fixed base 1, the stopper 32 can control two limit positions of the first pressing piece 41 and the second pressing piece 42, and the opening or closing stroke of the first pressing piece 414 and the second pressing piece 42 is adjusted by the stopper 32. The cylinder body of the cylinder 31 is further provided with a speed control valve 33 and a sensor 34, and in the present embodiment, two speed control valves 3 are provided, and the speed operation of the first presser 41 and the second presser 42 can be controlled so as to be close to each other or away from each other. The sensor 33 can open and compress the two limit positions of the clamping jaw device, and detects corresponding signals, so that the control and safety detection of the clamping jaw device by the PLC are realized.

The implementation principle of the clamping jaw device in the embodiment of the application is as follows: the crew member operates the speed regulating valve 33 on the cylinder 31 to regulate the moving speed of the piston rod of the cylinder 31 to a proper speed. When a piston rod of the air cylinder 31 extends, a thrust is applied to the slide block 11 in the fixed seat 1, the slide block 11 in the fixed seat 1 can slide on the fixed seat 1, the slide block 11 drives the first crank 211 and the second crank 221 to rotate, the first crank 211 and the second crank 221 drive the third connecting rod 233 and the fourth connecting rod 234 to rotate, as the middle parts of the third connecting rod 233 and the fourth connecting rod 234 are rotatably connected to the fixed seat 1, the third connecting rod 233 and the fourth connecting rod 234 rotate around the connecting part of the middle parts under the drive of the first crank 211 and the second crank 221, and at the moment, the structures of the first slide block 11 mechanism and the second slide block 11 mechanism are both parallelogram; the fixed seat 1 is further provided with a first connecting rod 231 and a second connecting rod 232, the first pressing block 41 can move linearly under the action of the first connecting rod 231 and the third connecting rod 233, and the second pressing block 42 can move linearly under the action of the second connecting rod 232 and the fourth connecting rod 234, so that the function of clamping cloth is realized. The first pressing block 41 and the second pressing block 42 act in a matching way, so that parallel clamping or loosening action on the product is realized, and meanwhile, the problem of centering and clamping is also realized. The clamping jaw device is advanced in structure, and the structure of the clamping jaw device is designed to extend and unfold along the axial direction, so that the space in height and width is effectively saved.

It will be appreciated by persons skilled in the art that the embodiments of the invention shown in the foregoing description are given by way of example only and are not limiting of the invention. The objects of the present invention have been fully and effectively accomplished. The functional and structural principles of the present invention have been shown and described in the embodiments without departing from the principles, embodiments of the present invention may have any deformation or modification.

Claims

1. The utility model provides a clamping jaw device, its characterized in that, clamping jaw device includes fixing base (1), sets up slider-crank mechanism (2) on fixing base (1) and sets up drive assembly (3) that drive slider-crank mechanism (2) action on fixing base (1), be provided with slider (11) on fixing base (1), slider (11) one end is connected the other end with drive assembly (3) and is connected with slider-crank mechanism (2), slider-crank mechanism (2) include with slider (11) rotate connecting rod (23) be connected and with briquetting (4) of setting on connecting rod (23), slider-crank mechanism (2) symmetry is provided with two sets ofly.

2. Clamping jaw device according to claim 1, characterized in that the drive assembly (3) comprises a cylinder (31) fixed at the end of the fixed seat (1) remote from the slider-crank mechanism (2), a stop (32) arranged at the end of the cylinder (31) remote from the fixed seat (1), two speed valves (33) arranged on the cylinder body of the cylinder (31), and a sensor (34) arranged on the cylinder body of the cylinder (31).

3. The clamping jaw device as claimed in claim 1, characterized in that the crank-slider mechanism (2) comprises a first sliding mechanism (21) and a second sliding mechanism (22), and the first sliding mechanism (21) comprises a first crank (211) rotatably connected with the slider (11), a third connecting rod (233) rotatably connected with the first crank (211) and far away from one end of the slider (11), a first pressing block (41) rotatably connected with the third connecting rod (233), and a first connecting rod (231) with two ends rotatably connected with the slider (11) and the first pressing block (41) respectively.

4. The jaw device according to claim 3, characterized in that said second sliding mechanism (22) comprises a second crank (221) rotatably connected to the slider (11), a fourth connecting rod (234) rotatably connected to the second crank (221) and located away from one end of the slider (11), a second pressing block (42) rotatably connected to the fourth connecting rod (234), and a second connecting rod (232) rotatably connected at its two ends to the slider (11) and the second pressing block (42), respectively.

5. Gripper device according to claim 4, characterized in that the pressing surfaces of the first pressing piece (41) and the second pressing piece (42) are provided with knurling grooves (5).

6. Clamping jaw device according to claim 1, characterized in that the holder (1) is provided with a plurality of mounting holes (12).