CN214418193U

CN214418193U - Non-interference one-way clamping opening and closing device and production line

Info

Publication number: CN214418193U
Application number: CN202120335962.8U
Authority: CN
Inventors: 李永芳; 吴艳丽
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2021-10-19
Anticipated expiration: 2031-02-05

Abstract

The utility model discloses a non-interference one-way clamping opening and closing device and a production line, which belongs to the automation field, comprising a turntable, wherein the turntable is provided with a plurality of clamping tools, each clamping tool comprises a fixed slide seat and a locking slide seat, an elastic device is arranged between the locking slide seat and the fixed slide seat, the elastic device has the tendency of enabling the locking slide seat to move towards the fixed slide seat, the locking slide seat is provided with a convex rod away from the center side of the turntable, the end part of the convex rod is provided with a rotating wheel, and the center of the rotating wheel is arranged in the extending direction of the central line of the convex rod; when the clamping tool does not clamp the workpiece, the central line of the rotating wheel is positioned in the extending direction of the radial line of the rotating disc; the locking device is characterized by also comprising an elliptical driving disc, wherein the elliptical driving disc is arranged on one side of a clamping tool rotating wheel, the arc surface of the elliptical driving disc, which is close to the long shaft, can be abutted against the rotating wheel and drive the locking slide block to be far away from the fixed sliding seat through the rotating wheel, and the arc surface of the elliptical driving disc, which is close to the short shaft, is not contacted with the rotating wheel; a contact inductor is further arranged on one side of the rotating disc, and an induction surface of the contact inductor is tangent to the arc surface of the rotating wheel.

Description

Non-interference one-way clamping opening and closing device and production line

Technical Field

The utility model relates to an automatic field, concretely relates to one-way tight device and production line that opens and shuts of clamp of no interference.

Background

A large amount of uses the graduation carousel in the automation line, utilize the anchor clamps that set up on the graduation carousel to fix a position the clamping to the work piece, thereby improve the machining precision, present clamp dress presss from both sides tight for realizing self-holding with loosen most of adoption spring drive's mode, but the inconvenient control of spring drive, the work piece shifts on the frock and must offset the spring drive clamp force with the help of opening and shutting the mechanism, however traditional mechanism that opens and shuts need additionally set up a actuating mechanism near the carousel again, make this actuating mechanism drive mechanism that opens and shuts when the carousel rotates and keep away from the carousel, avoid opening and shutting the mechanism and carousel production interference.

In view of the problems existing in the prior art, the utility model discloses combine many years' design and experience of use in relevant field, assist too strong professional knowledge, the design has made one kind and has not had interference one-way tight switching device of clamp and production line, overcomes above-mentioned defect.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model provides a pair of there is not one-way tight device and production line that opens and shuts of pressing from both sides of interference can save the actuating mechanism that drives the mechanism that opens and shuts and keep away from to further reduce cost and the control degree of difficulty.

In order to realize the purpose, the utility model discloses a technical scheme as follows: an interference-free one-way clamping opening and closing device comprises a rotary table, wherein a plurality of clamping tools are arranged on the rotary table, each clamping tool comprises a fixed sliding seat and a locking sliding block, an elastic device is arranged between each locking sliding block and the corresponding fixed sliding seat, the elastic device has the tendency that each locking sliding block moves towards the corresponding fixed sliding seat, a convex rod is arranged on the side, away from the center of the rotary table, of each locking sliding block, the convex rod is perpendicular to the sliding direction of the corresponding locking sliding block, a rotary wheel is arranged at the end of each convex rod, and the center of each rotary wheel is arranged in the extending direction of the center line of the corresponding convex rod;

when the clamping tool does not clamp the workpiece, the central line of the rotating wheel is positioned in the extending direction of the radial line of the rotating disc;

the locking slide block is arranged on the fixed slide seat, and the locking slide block is arranged on the locking slide seat;

and a contact inductor is further arranged on one side of the rotating disc, and the induction surface of the contact inductor is tangent to the arc surface of the rotating wheel.

Preferably, the number of the clamping tools is four, the four clamping tools are circumferentially and uniformly distributed on the turntable, and the four clamping tools are respectively arranged as a feeding station, a first processing station, a second processing station and a discharging station according to the rotating direction of the turntable.

Preferably, the contact inductor is arranged on one side of the rotary table between the blanking station and the loading station.

Preferably, a speed reducing motor is arranged at the center of the elliptical driving disk, and the speed reducing motor drives the elliptical driving disk to rotate.

Preferably, a guide sliding structure is arranged between the locking sliding block and the turntable; or a guide sliding structure is arranged between the locking sliding block and the fixed sliding seat.

A production line comprises the interference-free one-way clamping opening and closing device.

The utility model discloses an useful part lies in:

(1) the utility model discloses utilize the cooperation of elliptical drive dish and runner to promote locking slider to utilize the position of elliptical drive dish arc surface apart from the center, the elliptical drive dish only needs the rotation of a direction, has realized locking slider have the conversion of thrust and with the tight frock of clamp on the carousel do not have the interference motion.

(2) The utility model discloses if resilient means's elasticity is not enough to make locking slider contradict with fixed slide, then the central line of runner is with the extending direction of skew carousel radial line, the central line of runner is apart from the increase of carousel center distance promptly, the runner rotates the contact that can keep the longer time after the contact inductor position like this, whether the contact inductor can rationally judge resilient means's elasticity inefficacy or excessive fatigue has influenced the clamp tight frock clamp tightly, thereby triggering signal reminds the user, the resilient means that should press from both sides tight frock has become invalid, and then in time the change guarantees to press from both sides tight frock clamp force.

Drawings

Fig. 1 is a schematic view of a non-interference one-way clamping opening and closing device.

In the figure: 1-rotating disc, 2-clamping tool, 3-contact sensor, 21-fixed sliding seat, 22-locking sliding block, 23-guide rod, 24-spring, 25-baffle table, 26-guide hole, 27-convex rod, 28-rotating wheel and 29-elliptical driving disc.

Detailed Description

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

As shown in fig. 1, an interference-free one-way clamping opening and closing device comprises a rotary table 1, wherein a plurality of clamping tools 2 are arranged on the rotary table 1, each clamping tool 2 comprises a fixed slide seat 21 and a locking slide seat 22, an elastic device is arranged between each locking slide seat 22 and the corresponding fixed slide seat 21, and the elastic device has a tendency that the locking slide seat 22 moves towards the corresponding fixed slide seat 21; or, be equipped with the direction sliding structure between locking slider 22 and the fixed slide 21, preferably, the direction sliding structure includes guide bar 23 and guiding hole 26, and guiding hole 26 sets up on fixed slide 21, and guide bar 23 leads and wears to establish in guiding hole 26, and above-mentioned resilient means can be set as spring 24, overlaps spring 24 directly on guide bar 23, the utility model discloses be equipped with the step in guiding hole 26, guide bar 23 one end is equipped with and keeps off platform 25, and spring 24 sets up between the step of keeping off platform 25 and guiding hole 26 to guarantee the elastic guide locking effect of locking slider 22;

the utility model discloses locking slider 22 is kept away from carousel 1 center side and is equipped with nose bar 27, nose bar 27 is perpendicular with locking slider 22 slip direction, nose bar 27 tip is equipped with runner 28, the center of runner 28 sets up the extending direction at nose bar 27 central line, when the tight frock of clamp 2 is not pressed from both sides tight work piece, the central line of runner 28 is located the extending direction of carousel 1 radial line, still include oval driving-disc 29, the center of oval driving-disc 29 is equipped with gear motor, gear motor drive oval driving-disc 29 rotates, oval driving-disc 29 sets up in one and presss from both sides tight frock 2 runner 28 one side, the cambered surface that oval 29 driving-disc is close to the major axis can be leaned on runner 28 and drive locking slider 22 through runner 28 and keep away from fixed slide 21, the cambered surface that oval driving-disc 29 is close to the minor axis does not contact with runner 28, the utility model discloses utilize oval driving-disc 29 and runner 28 cooperation to promote locking slider 22, by utilizing the position of the arc surface of the elliptical driving disk 29 away from the center, the elliptical driving disk 29 only needs to rotate in one direction, and the conversion of thrust of the locking slide block 22 and the interference-free movement of the clamping tool 2 on the turntable 1 are realized.

A contact inductor 3 is further arranged on one side of the rotary table 1, and an induction surface of the contact inductor 3 is tangent to an arc surface of the rotating wheel 28.

The utility model discloses pressing from both sides tight frock 2 and establishing to four, four press from both sides tight 2 circumference equipartitions of frock on carousel 1, according to carousel 1's rotation direction, four press from both sides tight frock 2 and establish respectively to material loading station, first processing station, second processing station and unloading station, the utility model discloses 1 one side of carousel is equipped with contact inductor 3, and contact inductor 3 specifically sets up carousel 1 one side between unloading station and material loading station, and contact inductor 3's response face is tangent with runner 28's arc surface simultaneously. Through the structure the utility model discloses if resilient means's elasticity is not enough to make locking slider 22 contradict with fixed slide 21, then runner 28's central line will deviate the extending direction of 1 radial line of carousel, runner 28's central line is apart from 1 central distance increase of carousel promptly, runner 28 rotates the contact that can keep the longer time after the 3 positions of contact inductor like this, contact inductor 3 can rationally judge whether resilient means's elasticity became invalid or excessive fatigue has influenced the clamp tool 2 and has pressed from both sides tightly, thereby triggering signal reminds the user, this clamp tool 2's resilient means has become invalid, and then in time change guarantees to press from both sides the clamp tool 2 clamp force.

It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Furthermore, it should be understood that various changes, modifications and/or alterations to the present invention may be made by those skilled in the art after reading the technical disclosure of the present invention, and all such equivalents may fall within the scope of the present invention as defined by the appended claims.

Claims

1. The utility model provides a non-interference one-way clamping device that opens and shuts which characterized in that: the clamping tool comprises a rotary table, wherein a plurality of clamping tools are arranged on the rotary table, each clamping tool comprises a fixed sliding seat and a locking sliding block, an elastic device is arranged between each locking sliding block and the corresponding fixed sliding seat, the elastic device has a tendency that the locking sliding blocks move towards the fixed sliding seats, a convex rod is arranged on the side, away from the center of the rotary table, of each locking sliding block, the convex rod is perpendicular to the sliding direction of the corresponding locking sliding block, a rotating wheel is arranged at the end part of each convex rod, and the center of each rotating wheel is arranged in the extending direction of the center line of the corresponding convex rod;

2. The non-interference one-way clamping opening and closing device as claimed in claim 1, wherein: the clamping tools are four in number, the clamping tools are circumferentially and uniformly distributed on the rotary table, and the four clamping tools are respectively arranged as a feeding station, a first processing station, a second processing station and a discharging station according to the rotating direction of the rotary table.

3. The non-interference one-way clamping opening and closing device as claimed in claim 2, wherein: the contact inductor is arranged on one side of the rotary table between the blanking station and the loading station.

4. The non-interference one-way clamping opening and closing device as claimed in claim 1, wherein: the center of the elliptical driving disk is provided with a speed reducing motor, and the speed reducing motor drives the elliptical driving disk to rotate.

5. The non-interference one-way clamping opening and closing device as claimed in claim 1, wherein: a guide sliding structure is arranged between the locking sliding block and the rotary table; or a guide sliding structure is arranged between the locking sliding block and the fixed sliding seat.

6. A production line comprising the interference-free one-way grip opening and closing device of any one of claims 1 to 5.