CN212265874U

CN212265874U - Pneumatic mechanical gripper

Info

Publication number: CN212265874U
Application number: CN202022191627.3U
Authority: CN
Inventors: 鲁连洋; 鲁专强
Original assignee: Zhejiang Ruilong Automation Technology Co ltd
Current assignee: Zhejiang Ruilong Automation Technology Co ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-01-01
Anticipated expiration: 2030-09-30

Abstract

The utility model discloses a pneumatic gripper, which comprises an integral structure, wherein the integral structure comprises a first cover body, a second cover body and a mounting disc, the middle parts of the first cover body, the second cover body and the mounting disc are provided with a rotating shaft, the lower part of the rotating shaft is provided with a rotating disc, the rotating disc is provided with a rotating groove, a slider pin is arranged in the rotating groove and is connected with a slider, and the lower part of the slider is provided with a clamp; the utility model has the advantages of simple and reasonable structure, seted up the swivelling chute on the rotary disk, the motion stroke that makes slider pin and slider is bigger, has self-locking function between swivelling chute and the slider pin, adopts the key pin formula to be connected between slider and the anchor clamps, realizes self-locking function equally, and the flush end holding screw adopts built-in design, is equipped with the scale sign on the slider for convenient and fast more during adjustment anchor clamps.

Description

Pneumatic mechanical gripper

Technical Field

The utility model relates to a pneumatic gripper belongs to automation equipment technical field.

Background

As is well known, automated equipment plays more and more roles in assisting production, and with the development of science and technology, the variety of the automated equipment is more and more, and a mechanical arm and a mechanical gripper on the automated equipment are important components for assisting the automated equipment to function.

At present, more and more enterprises begin to use automatic equipment, and automatic machines are adopted to replace manual operation in the fields of assembly, production and the like. In the fields of automated production and assembly, the gripper is the most basic gripping tool. At present in the design of pneumatic gripper, design mechanism is mostly gripper upper end and is connected with pneumatic means, and the centre is equipped with support frame or back shaft, and under starting drive, anchor clamps rotate around support frame and back shaft, and the shortcoming of this design lies in that anchor clamps motion stroke is little, open angle is limited, according to the size of waiting to process the product, needs frequent the anchor clamps of changing the looks adaptation.

Disclosure of Invention

Technical problem to be solved

In order to solve the problem, the utility model provides a motion stroke is big, and the scope of opening is big, need not frequent change, has scale mark and self-locking function's pneumatic gripper.

(II) technical scheme

The utility model discloses a pneumatic gripper, including first lid, second lid, mounting disc and the rotation axis of locating the three middle part, the rotation axis lower part is equipped with the rotary disk, and it has the swivelling chute to open on this rotary disk, the swivelling chute in paste the connection and be provided with the slider pin, slider pin lower part is equipped with the slider, and anchor clamps are assembled to this slider lower part simultaneously.

Furthermore, a built-in flat end fastening screw is arranged between the sliding block and the clamp for fixing, a concave-convex trapezoidal matching structure is formed between the sliding block and the clamp, a scale mark is arranged on the end face, facing the clamp end, of the sliding block, a self-locking structure is formed between the sliding block and the clamp, the sliding block is not prone to dropping and is stronger in firmness, and meanwhile the scale mark enables the sliding block to achieve better precision control during adjustment.

Furthermore, an air inlet is formed in the upper end of the second cover body, a cavity is formed after the first cover body and the second cover body are assembled, a sealing ring is arranged at the assembling position, a rotating block and an air path dividing block are arranged in the cavity, the air path dividing block is fixed at a positioning hole of the air path dividing block in the cavity, a spline is arranged on the inner wall of the rotating block and assembled with the rotating shaft, and when compressed air enters the cavity from the air inlet to push the rotating block, the rotating block is driven to move in a reciprocating expansion mode in a rotating groove in the rotating disc.

Furthermore, counter bores are formed in the first cover body and the second cover body, bearings are arranged in the counter bores, a limiting groove is formed in the upper portion of the rotating shaft, a limiting ring is arranged in the limiting groove, and the limiting ring is clamped in the limiting groove to lock the rotating disc to be axially positioned.

Furthermore, be equipped with first bolt hole, second bolt hole, push rod direction chamber and push rod fixed orifices on first lid and the second lid respectively, first bolt hole and second bolt hole in be equipped with first construction bolt and second construction bolt respectively, wherein first construction bolt adopts the installation of upright dress formula to fix anchor clamps, the second construction bolt adopts the installation of flip-chip formula to fix first lid, second lid and mounting disc, be equipped with the push rod in the push rod direction intracavity, when fixed with first lid and second lid, can make the push rod do reciprocal action in the push rod direction intracavity.

Furthermore, the push rod further comprises an external spring and a nut arranged on the lower portion of the spring, threads are arranged at the tail end of the push rod, a push rod block is assembled through the threads, a pushing component of the pneumatic mechanical claw is formed, and the action that the front-end push rod block pushes the workpiece forwards is achieved.

Furthermore, the rear part of the sliding block is provided with an inserting groove, and an oil-water sealing sheet is arranged in the inserting groove and has a sealing effect on the pneumatic mechanical claw.

(III) advantageous effects

Compared with the prior art, the utility model, it has following beneficial effect: the utility model has the advantages of simple and reasonable structure, seted up the swivelling chute on the rotary disk, the motion stroke that makes slider pin and slider is bigger, has self-locking function between swivelling chute and the slider pin, adopts the key pin formula to be connected between slider and the anchor clamps, realizes self-locking function equally, and the flush end holding screw adopts built-in design, is equipped with the scale sign on the slider for convenient and fast more during adjustment anchor clamps.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is an exploded schematic view of a pneumatic gripper according to the present invention.

Fig. 2 is a complete structural schematic diagram of the pneumatic gripper of the present invention.

Fig. 3 is a schematic structural view of an internal rotating block of the pneumatic gripper of the present invention.

Fig. 4 is a schematic bottom structure diagram of the pneumatic gripper of the present invention.

Fig. 5 is a schematic structural view of a clamping portion of a pneumatic gripper according to the present invention.

1. The gas circuit cutting device comprises a limiting ring, 2, a bearing, 3, a gas inlet hole, 4, a first cover body, 5, a second mounting bolt, 7, a slider pin, 8, a rotating groove, 9, a slider, 10, a push rod, 11, a spring, 12, a push rod block, 13, a flat end fastening screw, 14, a clamp, 15, a rotating disk, 16, a rotating shaft, 17, a mounting disk, 18, a sealing ring, 19, a second cover body, 20, a rotating block, 21, a push rod guide cavity, 22, a first bolt hole, 23, a gas circuit cutting block, 24, a gas circuit cutting block positioning hole, 25, an oil-water sealing piece, 26, a second bolt hole, 27, a first mounting bolt, 28 and a push rod fixing hole.

Detailed Description

The pneumatic gripper as shown in the attached drawings comprises a first cover body 4, a second cover body 19, a mounting disc 17 and a rotating shaft 16 arranged in the middle of the first cover body, the second cover body, the mounting disc 17 and the rotating shaft 16, wherein a rotating disc 15 is arranged at the lower part of the rotating shaft 16, a rotating groove 8 is formed in the rotating disc 15, a slider pin 7 is arranged in the rotating groove 8 in an attached and connected mode, a slider 9 is arranged at the lower part of the slider pin 7, and a clamp 14 is assembled at the lower part of the slider 9. A built-in flat end fastening screw 13 is arranged between the sliding block 9 and the clamp 14 for fixation, a concave-convex trapezoidal matching structure is formed between the sliding block 9 and the clamp 14, and a scale mark is arranged on the end face of the sliding block 9 facing the clamp 14. The upper end of the second cover body 19 is provided with an air inlet 3, a cavity is formed after the first cover body 4 and the second cover body 19 are assembled, a sealing ring 18 is arranged at the assembly position, a rotating block 20 and an air path dividing block 23 are arranged in the cavity, the air path dividing block 23 is fixed at an air path dividing block positioning hole 24 in the cavity, and the inner wall of the rotating block 20 is provided with a spline and is assembled with the rotating shaft 16. The first cover body 4 and the second cover body 19 are provided with counter bores, bearings 2 are arranged in the counter bores, the upper portion of the rotating shaft 16 is provided with a limiting groove, a limiting ring 1 is arranged in the limiting groove, and the limiting ring 1 is clamped in the limiting groove to lock the rotating disc 15 for axial positioning. First bolt hole 22, second bolt hole 26, push rod guide cavity 21 and push rod fixed orifices 28 are equipped with respectively on first lid 4 and the second lid 19, first bolt hole 22 and second bolt hole 26 in be equipped with first construction bolt 27 and second construction bolt 5 respectively, wherein first construction bolt 27 adopts the installation of formal dress formula to fix anchor clamps, second construction bolt 5 adopts the installation of flip-chip formula to fix first lid 4, second lid 19 and mounting disc 17, be equipped with push rod 10 in the push rod guide cavity 21. The push rod 10 further comprises an external spring 11 and a nut arranged on the lower portion of the spring 11, the tail end of the push rod 10 is provided with threads, and a push rod block 12 is assembled through threaded connection. The rear part of the sliding block 9 is provided with a slot, and an oil-water sealing sheet 25 is arranged in the slot.

When air is supplied, air enters a cavity formed by the first cover body 4 and the second cover body 19, when the air charging amount is reached, the rotating block 20 is pushed to drive the key groove formed in the rotating shaft 16 to rotate, and the key groove of the rotating shaft 16 and the rotating disc 15 are integrated, so that the rotating groove 8 on the rotating disc 15 is driven to rotate. At this time, the slide pin 7 moves along the rotary groove 8 to separate from the original position, thereby achieving the large stroke action of grabbing by the slide 9 and the clamp 14. The structural design of the sliding block pin 7 and the rotating groove 8 also has the self-locking function of power failure and gas failure, and the flat end fastening screw 13 on the clamp 14 and the scale marks on the sliding block 9 are correspondingly adjusted to be fixed according to the size of a product to be processed, so that the clamp 14 is adjusted more conveniently and quickly.

The utility model has the advantages of simple and reasonable structure, seted up the swivelling chute on the rotary disk, the motion stroke that makes slider pin and slider is bigger, has self-locking function between swivelling chute and the slider pin, adopts the key pin formula to be connected between slider and the anchor clamps, realizes self-locking function equally, and the flush end holding screw adopts built-in design, is equipped with the scale sign on the slider for convenient and fast more during adjustment anchor clamps.

The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.

Claims

1. The utility model provides a pneumatic gripper, includes first lid (4), second lid (19), mounting disc (17) and locates rotation axis (16) in the middle part of the three, its characterized in that: the rotary table is characterized in that a rotary disc (15) is arranged on the lower portion of the rotary shaft (16), a rotary groove (8) is formed in the rotary disc (15), a slider pin (7) is arranged in the rotary groove (8) in an attached mode, a slider (9) is arranged on the lower portion of the slider pin (7), and meanwhile a clamp (14) is assembled on the lower portion of the slider (9).

2. A pneumatic gripper according to claim 1, wherein: a built-in flat-end fastening screw (13) is arranged between the sliding block (9) and the clamp (14) for fixation, a concave-convex trapezoidal matching structure is formed between the sliding block (9) and the clamp (14), and scale marks are arranged on the end face, facing the clamp (14), of the sliding block (9).

3. A pneumatic gripper according to claim 1, wherein: the air inlet hole (3) is formed in the upper end of the second cover body (19), a cavity is formed after the first cover body (4) and the second cover body (19) are assembled, a sealing ring (18) is installed at the assembly position, a rotating block (20) and an air path segmentation block (23) are arranged in the cavity, the air path segmentation block (23) is fixed to an air path segmentation block positioning hole (24) in the cavity, and a spline is arranged on the inner wall of the rotating block (20) and assembled with the rotating shaft (16).

4. A pneumatic gripper according to claim 1, wherein: the first cover body (4) and the second cover body (19) are provided with counter bores, bearings (2) are arranged in the counter bores, the upper portion of the rotating shaft (16) is provided with a limiting groove, a limiting ring (1) is arranged in the limiting groove, and the limiting ring (1) is clamped in the limiting groove to lock the rotating disc (15) for axial positioning.

5. A pneumatic gripper according to claim 1, wherein: be equipped with first bolt hole (22), second bolt hole (26), push rod direction chamber (21) and push rod fixed orifices (28) on first lid (4) and the second lid (19) respectively, first bolt hole (22) and second bolt hole (26) in be equipped with first construction bolt (27) and second construction bolt (5) respectively, wherein first construction bolt (27) adopt the installation of formal dress formula to fix anchor clamps, second construction bolt (5) adopt the installation of flip-chip formula to fix first lid (4), second lid (19) and mounting disc (17), be equipped with push rod (10) in push rod direction chamber (21).

6. The pneumatic gripper of claim 5, wherein: the push rod (10) further comprises an external spring (11) and a nut arranged on the lower portion of the spring (11), the tail end of the push rod (10) is provided with threads, and a push rod block (12) is assembled through the threads in a connecting mode.

7. A pneumatic gripper according to claim 1, wherein: the rear part of the sliding block (9) is provided with a slot, and an oil-water sealing sheet (25) is arranged in the slot.