CN220452386U - Three-jaw cylinder capable of adjusting clamping range - Google Patents

Abstract

The utility model discloses a three-jaw cylinder capable of adjusting a clamping range, which comprises a cylinder body, wherein three clamping jaw openings are formed in the cylinder body, clamping jaws are movably arranged in the clamping jaw openings, first sliding grooves are formed in one end surfaces of the clamping jaws, first clamping blocks are movably arranged in the first sliding grooves, second sliding grooves are formed in one end surfaces of the first clamping blocks, and second clamping blocks are movably arranged in the second sliding grooves. The three-jaw cylinder is convenient to use, the clamping range of the clamping jaw can be adjusted according to the size of an article to be clamped, the applicability of the three-jaw cylinder is greatly improved, and the three-jaw cylinder is more convenient for a user to use.

Description

Three-jaw cylinder capable of adjusting clamping range

Technical Field

The utility model relates to the technical field of industrial automation equipment, in particular to a three-jaw cylinder capable of adjusting a clamping range.

Background

The three-jaw cylinder is also called a pneumatic clamping jaw or a pneumatic clamping finger, is an executing device for clamping or grabbing workpieces by using compressed air as power, has the main function of replacing grabbing work of people, can effectively improve production efficiency and work safety, and is widely used by automated enterprises.

For example, chinese patent publication No. CN207261347U discloses a waterproof three-jaw, including a cylinder, a pneumatic assembly disposed in the cylinder, and three base jaws with one end connected to the pneumatic assembly, the three base jaws are embedded into three valve ports corresponding to the cylinder, a sealing ring is disposed between the base jaws and the valve ports, and a dust-proof ring is disposed between the sealing ring and the other end of the base jaws. The utility model solves the problems that when a robot in the prior art uses a three-grabbing cylinder as an end actuating mechanism, the inside of the cylinder is damaged to an internal structure due to tiny fragments and liquid entering from the outside, and the working efficiency is reduced.

But this three-jaw cylinder when using, can't adjust the clamping range of clamping jaw according to the size of the work piece of required centre gripping, leads to three-jaw cylinder's suitability not high, leads to needing often to change the clamping jaw when using for work efficiency reduces, and then influences production efficiency.

Disclosure of Invention

The utility model provides a three-jaw cylinder with an adjustable clamping range, which solves the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a three-jaw cylinder of adjustable centre gripping scope, includes the cylinder body, be provided with three clamping jaw mouth on the cylinder body, all the activity is provided with the clamping jaw in the clamping jaw mouth, first spout has all been seted up to the one end surface of clamping jaw, the inside activity of first spout is provided with first clamp splice, the second spout has all been seted up to the one end surface of first clamp splice, the inside activity of second spout is provided with the second clamp splice.

Preferably, the two sides of the first clamping block are provided with first sliding rails, and the first sliding rails are communicated with the first sliding grooves.

Preferably, the two sides of the second clamping block are provided with second sliding rails, and the second sliding rails are communicated with the second sliding grooves.

Preferably, the first clamping block and the second clamping block are both provided with fastening bolts in a threaded manner.

Preferably, the first clamping block is movably arranged in the first sliding groove and can horizontally slide along the first sliding rail.

Preferably, the second clamping block is movably arranged in the second sliding groove and can vertically slide along the second sliding rail.

Preferably, the inner end surfaces of the second clamping blocks are fixedly provided with anti-slip pads.

Advantageous effects

Compared with the prior art, the utility model has the beneficial effects that:

according to the three-jaw cylinder with the adjustable clamping range, through the technical scheme, the clamping range of the clamping jaw can be adjusted according to the size of a workpiece produced at present when the three-jaw cylinder is used, the applicability of the three-jaw cylinder is greatly improved, the problem that the working efficiency is affected due to frequent replacement is avoided, and the production efficiency is further guaranteed.

Drawings

FIG. 1 is a schematic diagram of a front view structure of the present utility model;

FIG. 2 is a schematic side view of the present utility model;

FIG. 3 is a schematic view of the utility model in a bottom view;

the correspondence between the reference numerals and the component names in the drawings is as follows:

1. a cylinder; 2. a clamping jaw opening; 3. a clamping jaw; 4. a first chute; 5. a first clamping block; 6. a second chute; 7. a second clamping block; 8. a first slide rail; 9. a second slide rail; 10. a fastening bolt; 11. an anti-slip mat.

Detailed Description

The technical solutions of the present utility model will be clearly and completely described in connection with the embodiments, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

1-3, which are schematic illustrations of a three-jaw cylinder with adjustable clamping range according to a preferred embodiment of the present utility model;

the utility model discloses a three-jaw cylinder capable of adjusting a clamping range, which comprises a cylinder body 1, wherein three clamping jaw openings 2 are arranged on the cylinder body 1, clamping jaws 3 are movably arranged in the clamping jaw openings 2, the three clamping jaws 3 are all of the same structure, the clamping jaws are connected with a driving piece in the cylinder body, the clamping jaws 3 can horizontally slide towards the center direction of the cylinder body, a first sliding groove 4 is formed in one end surface of the clamping jaws 3, the first sliding groove is horizontally arranged transversely, a first clamping block 5 is movably arranged in the first sliding groove 4, a second sliding groove 6 is formed in one end surface of the first clamping block 5, the second sliding groove 6 is perpendicular to the first clamping block 5, a second clamping block 7 is movably arranged in the second sliding groove 6, and when the three-jaw cylinder is used, the clamping jaw is used, the clamping range is adjusted by adjusting the position of the first clamping block 5 in the first sliding groove 4, and further adjusting the longitudinal clamping range by adjusting the position of the second clamping block 7 in the second sliding groove 6.

According to the three-jaw cylinder with the adjustable clamping range, the first sliding rails 8 are arranged on two sides of the first clamping block 5, the first sliding rails 8 are communicated with the first sliding grooves 4, and the first sliding rails 8 and the first sliding grooves 4 are arranged in the same direction. The second sliding rails 9 are arranged on two sides of the second clamping block 7, the second sliding rails 9 are communicated with the second sliding groove 6, the second sliding rails 9 and the second sliding groove 6 are arranged in the same direction, and the inner bottom wall sizes of the first sliding rails 8 and the second sliding rails 9 are smaller than the opening. The first clamping block 5 and the second clamping block 7 are provided with fastening bolts 10 in a threaded mode, the fastening bolts penetrate through the first sliding rail and the second sliding rail, the first clamping block 5 is fixed in the first sliding groove 4 through the fastening bolts 10, the first sliding block 5 can slide in the first sliding groove 4 through adjusting the tightness of the fastening bolts 10, the second clamping block 5 is fixed in the second sliding groove 4 through the fastening bolts 10, and the second sliding block 5 can slide in the second sliding groove 4 through adjusting the tightness of the fastening bolts 10. The first clamping block 5 is movably arranged in the first chute 4 and can horizontally slide along the first slide rail 8, and the top end surface of the first clamping block 5 is parallel to and closely attached to the inner bottom wall of the first chute 4. The second clamping block 7 is movably arranged in the second sliding groove 6 and can vertically slide along the second sliding rail 9, and the side end surface of the second clamping block 7 is parallel to and closely attached to the inner bottom wall of the second sliding groove 6. The inner end surface of the second clamping block 7 is fixedly provided with an anti-slip pad 11, the anti-slip pad 11 is made of PVC soft rubber, the clamping workpiece is prevented from sliding down through the anti-slip pad 11, and meanwhile damage to the workpiece caused by collision of the clamping jaw 3 during clamping is avoided.

The three-jaw cylinder with the adjustable clamping range is common in mechanical mode in the installation mode, the connection mode or the setting mode, and can be implemented as long as the beneficial effects of the three-jaw cylinder can be achieved.

The foregoing is a further elaboration of the present utility model in connection with the detailed description, and it is not intended that the utility model be limited to the specific embodiments shown, but rather that a number of simple deductions or substitutions be made by one of ordinary skill in the art without departing from the spirit of the utility model, should be considered as falling within the scope of the utility model as defined in the appended claims.

Claims (7)

1. The utility model provides an adjustable clamping range's three-jaw cylinder, includes cylinder body (1), be provided with three clamping jaw mouth (2) on cylinder body (1), all the activity is provided with clamping jaw (3), its characterized in that in clamping jaw mouth (2): the clamping jaw is characterized in that a first sliding groove (4) is formed in one end surface of the clamping jaw (3), a first clamping block (5) is movably arranged in the first sliding groove (4), a second sliding groove (6) is formed in one end surface of the first clamping block (5), and a second clamping block (7) is movably arranged in the second sliding groove (6).

2. The three-jaw cylinder of claim 1, wherein the clamping range is adjustable, and wherein: the two sides of the first clamping block (5) are provided with first sliding rails (8), and the first sliding rails (8) are communicated with the first sliding grooves (4).

3. The three-jaw cylinder of claim 1, wherein the clamping range is adjustable, and wherein: second slide rails (9) are arranged on two sides of the second clamping blocks (7), and the second slide rails (9) are communicated with the second sliding grooves (6).

4. The three-jaw cylinder of claim 1, wherein the clamping range is adjustable, and wherein: fastening bolts (10) are arranged on the first clamping block (5) and the second clamping block (7) in a threaded mode.

5. The three-jaw cylinder of claim 2, wherein the clamping range is adjustable, and wherein: the first clamping block (5) is movably arranged in the first sliding groove (4) and can horizontally slide along the first sliding rail (8).

6. A three-jaw cylinder with adjustable clamping range according to claim 3, wherein: the second clamping block (7) is movably arranged in the second sliding groove (6) and can vertically slide along the second sliding rail (9).

7. The three-jaw cylinder of claim 1, wherein the clamping range is adjustable, and wherein: the inner end surfaces of the second clamping blocks (7) are fixedly provided with anti-slip pads (11).