CN212795010U - Workpiece taking clamping hand - Google Patents

Abstract

The utility model discloses a get a tong belongs to tong technical field. Get a tong includes: mounting a plate; the driving cylinder is connected to the mounting plate; the telescopic end of the driving cylinder is fixedly connected with a connecting plate; the two groups of hand clamping pieces are symmetrically arranged and are rotationally connected to the mounting plate; the two ends of the connecting rotating plate are respectively and rotatably connected to the hand clamping piece connecting plate; the adjusting bolt is in threaded connection with the clamping hand piece and is arranged at one end, far away from the driving cylinder, of the clamping hand piece; wherein two groups of adjusting bolts are arranged on a single clamping hand piece; the adjusting arms are provided with a plurality of groups and are in threaded connection with the adjusting bolts; the utility model discloses a tong spare that has set up the rotary type has set up the detachable regulating arm simultaneously for press from both sides and get center and expect that the handle center can coincide, and the centre gripping effect is better, and more firm of centre gripping is difficult for droing.

Description

Workpiece taking clamping hand

Technical Field

The utility model relates to a tong technical field especially relates to get a tong.

Background

The workpiece taking clamping hand is a device for clamping and moving workpieces, and most of the existing workpiece taking clamping hands are lever-type and take power output through an air cylinder.

The utility model discloses a utility model patent of a patent application number 201520473305.4, the name is a pick-up tong of pick-up machine, the pick-up tong of pick-up machine that discloses, including tong cylinder and the clamping jaw subassembly of drive connection with it, just the tong cylinder with be equipped with the clamping jaw connecting plate that realizes the connection between the clamping jaw subassembly, the clamping jaw subassembly comprises clamping jaw upper arm and clamping jaw underarm on both sides, and is equipped with clamping jaw cushion and clamping jaw dog between clamping jaw upper arm and clamping jaw underarm, clamping jaw cushion connects and sets up a clamping jaw connecting rod, just the clamping jaw connecting rod with the drive of tong cylinder is connected; through the needle roller bearings arranged at the two ends of the short shaft core, when the clamping jaw slide block moves back and forth, the needle roller bearings move along the inner groove, the needle roller bearings are arranged on the short shaft core, the upper arm and the lower arm of the clamping jaw rotate around the short shaft core, the clamping jaw is opened and closed, and the needle roller bearings are arranged on the rotating and sliding parts, so that the clamping jaw of the workpiece taking machine is wear-resistant, and the service life is prolonged.

But above-mentioned device is when carrying out the centre gripping to the work piece, is not convenient for adjust the position at material handle center for material handle center and centre gripping center do not coincide, the inhomogeneous condition of stress point easily appears, and it is insecure to appear pressing from both sides when pressing from both sides and getting product material handle, and the product drops easily, or because press from both sides the stress inhomogeneous, causes local atress too big easily, appears the material handle after the clamp finger presss from both sides tightly that the material handle glues to die on pressing from both sides the finger, damages the material handle, and the centre gripping effect is not good.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the current position of getting a tong and being not convenient for adjust material handle center for material handle center and centre gripping center do not coincide, the inhomogeneous condition of stress point easily appears, it gets insecure to make the clamp appear when pressing from both sides and get product material handle, and the product drops easily, or the material handle appears and glues and die on the clamp finger, the not good problem of centre gripping effect, and the tong of getting a that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

get a tong includes: mounting a plate; the driving cylinder is connected to the mounting plate; the telescopic end of the driving cylinder is fixedly connected with a connecting plate; the two groups of hand clamping pieces are symmetrically arranged and are rotationally connected to the mounting plate; the two ends of the connecting rotating plate are respectively and rotatably connected to the hand clamping piece and the connecting plate; the adjusting bolt is in threaded connection with the clamping hand piece and is arranged at one end, far away from the driving cylinder, of the clamping hand piece; wherein two groups of adjusting bolts are arranged on a single clamping hand piece; the adjusting arms are provided with a plurality of groups and are in threaded connection with the adjusting bolts.

Preferably, the clamping hand piece is connected with a connecting shaft, and the connecting shaft is rotatably connected with the connecting rotating plate.

Preferably, the number of the adjusting bolts in a single group is at least two.

Preferably, the rotation joints of the clamping hand piece, the mounting plate and the connecting rotating plate are provided with oilless bushings.

Preferably, one end of the mounting plate, which is far away from the driving cylinder, is fixedly connected with a baffle plate.

Preferably, the adjusting arm is provided with a chamfer.

Compared with the prior art, the utility model provides a get a tong possesses following beneficial effect:

1. this get a tong, before the work piece is got to needs clamp, can get the size of getting the work piece as required as the clamp to adjust how many of adjusting arm on the tong spare to make the material handle center of work piece coincide with pressing from both sides tight center, concrete regulation mode is:

the adjusting arms are attached to the side walls of the clamping hand pieces, the adjusting bolts are screwed into the clamping hand pieces in a threaded mode and are used for positioning the adjusting arms, and the adjusting bolts are arranged in two groups, so that the connecting stability of the adjusting arms can be improved, the overall clamping stress points of the material handles are uniform, the local stress is effectively prevented from being too large, and the material handles are prevented from being damaged;

when clamping is needed, the driving cylinder works, the telescopic end drives the connecting plate to slide, and then the connecting rotating plate drives the clamping hand piece to rotate, so that the clamping hand piece clamps a workpiece, and the clamping effect is better;

2. the oil-free bushing is arranged on the workpiece taking clamping hand, so that the friction force generated when the clamping hand rotates can be reduced, and the service life of the clamping hand is prolonged;

3. according to the workpiece taking clamping hand, the chamfer is arranged on the adjusting arm, when the driving cylinder drives the clamping hand to rotate, the chamfer is in smooth transition, the damage to the adjusting arm is effectively reduced, and the material handle is effectively prevented from being stuck on the adjusting arm;

the part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses a tong spare that has set up the rotary type has set up the detachable regulating arm simultaneously for press from both sides and get center and expect that the handle center can coincide, and the centre gripping effect is better, and the centre gripping is more firm, is difficult for droing.

Drawings

Fig. 1 is one of the structural schematic diagrams of the pick-up gripper provided by the present invention;

fig. 2 is a second schematic structural view of the article-taking gripper of the present invention;

fig. 3 is a third schematic structural view of the article-taking gripper of the present invention;

fig. 4 is a schematic structural view of the gripper member of the pickup gripper according to the present invention.

In the figure: 1. a driving cylinder; 101. a connecting plate; 102. connecting the rotating plate; 2. mounting a plate; 201. a baffle plate; 3. a hand clamping piece; 301. a connecting shaft; 302. an adjusting arm; 303. adjusting the bolt; 304. an oilless bushing.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example 1:

referring to fig. 1-4, a pick-up gripper comprising: a mounting plate 2; the driving cylinder 1 is connected to the mounting plate 2; wherein, the telescopic end of the driving cylinder 1 is fixedly connected with a connecting plate 101; the two groups of the hand clamping pieces 3 are symmetrically arranged and are rotatably connected to the mounting plate 2; a connecting rotating plate 102, two ends of which are respectively connected to the clamping hand piece 3 and the connecting plate 101 in a rotating way; the adjusting bolt 303 is in threaded connection with the clamping hand piece 3 and is arranged at one end, far away from the driving cylinder 1, of the clamping hand piece 3; wherein, two groups of adjusting bolts 303 are arranged on a single clamping hand piece 3; the adjusting arms 302 are provided with a plurality of groups and are in threaded connection with the adjusting bolts 303.

The number of the single set of adjusting bolts 303 is two.

It should be understood that when the taking-out clamping hand is used, the mounting plate 2 can be mounted on a moving shaft of a robot to realize the movement of a clamped workpiece;

before the workpiece is required to be clamped, the size of the workpiece can be clamped as required, and the number of the adjusting arms 302 on the clamping hand piece 3 is adjusted, so that the center of a material handle of the workpiece coincides with the clamping center, and the specific adjusting mode is as follows:

the adjusting arms 302 are attached to the side walls of the clamping hand pieces 3, the adjusting bolts 303 are screwed into the clamping hand pieces 3 and are screwed into the adjusting arms 302 for positioning, and the adjusting bolts 303 are arranged in two groups, so that the connecting stability of the adjusting arms 302 can be improved;

when clamping is needed, the driving cylinder 1 works, the telescopic end drives the connecting plate 101 to slide, and then the connecting rotating plate 102 drives the clamping hand piece 3 to rotate, so that the clamping hand piece 3 clamps a workpiece, and the clamping effect is better;

the utility model discloses a tong spare 3 that has set up the rotary type has set up detachable regulating arm 302 simultaneously for press from both sides and get center and expect that the handle center can coincide, and the centre gripping effect is better, and more firm of centre gripping is difficult for droing.

Example 2:

referring to fig. 1-4, the gripper for picking up a workpiece is substantially the same as that in embodiment 1, further, the gripper 3 is connected with a connecting shaft 301, the connecting shaft 301 is rotatably connected with the connecting rotating plate 102, and the gripper 3 and the connecting rotating plate 102 are conveniently connected by the connecting shaft 301.

Example 3:

referring to fig. 1-4, the part taking gripper is substantially the same as that in embodiment 1, and further, oil-free bushings 304 are disposed at the rotation joints of the gripper 3, the mounting plate 2 and the connecting rotating plate 102, so that friction force generated when the gripper 3 rotates can be reduced by the aid of the oil-free bushings 304, and service life of the gripper is prolonged.

Example 4:

referring to fig. 1-4, the workpiece taking gripper is substantially the same as that in embodiment 1, and further, a baffle 201 is fixedly connected to one end of the mounting plate 2, which is far away from the driving cylinder 1, so as to shield the driving cylinder 1 and the connecting rotating plate 102, thereby playing a role in protection.

Example 5:

referring to fig. 1-4, the workpiece taking gripper is substantially the same as that in embodiment 1, and further, the adjusting arm 302 is provided with a chamfer, so that when the driving cylinder 1 drives the gripper 3 to rotate, damage to the adjusting arm 302 is effectively reduced, and the material handle is effectively prevented from being stuck on the adjusting arm 302.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. Get a tong, its characterized in that includes:

a mounting plate (2);

the driving cylinder (1) is connected to the mounting plate (2);

wherein the telescopic end of the driving cylinder (1) is fixedly connected with a connecting plate (101);

the two groups of the hand clamping pieces (3) are symmetrically arranged and are rotatably connected to the mounting plate (2);

the two ends of the connecting rotating plate (102) are respectively and rotatably connected to the hand clamping piece (3) and the connecting plate (101);

the adjusting bolt (303) is in threaded connection with the clamping hand piece (3) and is arranged at one end, far away from the driving cylinder (1), of the clamping hand piece (3);

wherein at least two groups of adjusting bolts (303) are arranged on a single hand clamping piece (3);

the adjusting arms (302) are provided with a plurality of groups and are in threaded connection with the adjusting bolts (303).

2. The gripper for picking up workpieces as claimed in claim 1, characterized in that a connecting shaft (301) is connected to the gripper part (3), and the connecting shaft (301) is connected to the connecting rotary plate (102) in a rotatable manner.

3. The pickup gripper according to claim 2, wherein the number of the adjusting bolts (303) in a single group is at least two.

4. The gripper for taking out articles as claimed in claim 1, characterized in that the rotary joints of the gripper elements (3) with the mounting plate (2) and the connecting rotary plate (102) are provided with oilless bushings (304).

5. The pickup gripper as claimed in any one of claims 1 to 4, wherein a baffle (201) is fixedly connected to one end of the mounting plate (2) remote from the driving cylinder (1).

6. The pickup gripper as recited in any one of claims 1 to 4, characterised in that the adjusting arm (302) is provided with a chamfer.

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