CN214722549U

CN214722549U - Pneumatic clamping flat tongs

Info

Publication number: CN214722549U
Application number: CN202121256099.3U
Authority: CN
Inventors: 张玉更; 刘美红; 王延昌; 范臣荣; 寇文军; 林鸿恒; 谢玉婷
Original assignee: Xian Aeronautical University
Current assignee: Xian Aeronautical University
Priority date: 2021-06-05
Filing date: 2021-06-05
Publication date: 2021-11-16
Anticipated expiration: 2031-06-05

Abstract

The utility model discloses a pneumatic clamping flat tongs, the on-line screen storage device comprises a base, be provided with on the base and decide keeping silent and move the vice jaw, the base includes the cell body that the axial set up, the cell body both sides are provided with the boss that is parallel to each other, cell body bottom interval is provided with a plurality of ball holes, move vice jaw sliding connection on the cell body, it is provided with the slider of sliding connection on the boss to move vice jaw one side of keeping away from and decide vice jaw, the slider is kept away from and is provided with the stopper and the cylinder of being connected with the stopper, stopper sliding connection is in the cell body, and be provided with the spacing steel ball that corresponds with the ball hole shape bottom the stopper. The utility model discloses simple structure, reasonable in design, it is convenient to realize, can effectively use in machining, realizes pressing from both sides dress and auto-lock to the location of work piece, and positioning accuracy, double-layered dress efficiency and machining precision are high, have saved the time that the workman constantly debugs at the tight work piece in-process of clamp, have improved work efficiency, have improved the product precision, excellent in use effect, convenient to popularize and use.

Description

Pneumatic clamping flat tongs

Technical Field

The utility model belongs to the technical field of machining process equipment and anchor clamps, concretely relates to pneumatic clamping flat tongs.

Background

Flat-nose pliers, that is, machine bench pliers, are widely used as random accessories for milling machines and drilling machines. However, in the industrial production and use process, many problems need to be considered, such as: 1. the position of the workpiece is easy to change in the clamping process; 2. when the clamping device ensures that the workpiece does not generate redundant displacement and vibration in the machining process, the clamping force may be too large, so that the surface of the workpiece is crushed by the clamping force or deformation is caused; 3. the operation is inconvenient, the clamping action is slow, the productivity is not high, and the positioning precision is easy to reduce although the structure is simple and the manufacture is easy; 4. whether the workpiece can be self-locked or not, namely whether the clamping state of the workpiece can be still maintained or not after the original force is removed; 5. whether the operation is safe or not and the labor intensity is not in a proper range. The flat tongs have the advantages of obvious advantages, strong applicability, simple operation, uniform and large clamping force and well embody the characteristics of the tongs; however, the disadvantage is obvious, for example, in the process of clamping the flat-nose pliers on the common machine tool, a large pressure is required to be applied to the flat-nose pliers by a processing person to ensure that the workpiece does not move in the process of processing, and the labor intensity is high. Moreover, the common flat tongs have low efficiency and low precision in the clamping/dismounting process, and are not suitable for high-precision production operation.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that not enough among the above-mentioned prior art is directed against, provide a pneumatic tight flat-nose pliers of clamp, its simple structure, reasonable in design, it is convenient to realize, can effectively use in machining, the realization is pressed from both sides the dress and is auto-lock to the location of work piece, positioning accuracy, press from both sides dress efficiency and machining precision height, saved the time that the workman constantly debugs at the tight work piece in-process of clamp, improved work efficiency, improved the product precision, excellent in use effect, convenient to popularize and use.

In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a pneumatic tight flat-nose pliers of clamp, includes the base, be provided with on the base and decide keeping silent and move the keeping silent, the base includes the cell body that the axial set up, the cell body both sides are provided with the boss that is parallel to each other, cell body bottom interval is provided with a plurality of ball holes, it connects on the cell body to move the sliding connection of keeping silent, it is provided with the slider of sliding connection on the boss to move one side of keeping away from and deciding the keeping silent to keep silent, the slider is kept away from and is provided with the stopper and the cylinder of being connected with the stopper, stopper sliding connection is in the cell body, and is provided with the spacing steel ball that corresponds with the ball hole shape bottom the stopper.

According to the pneumatic clamping flat tongs, the fixed jaw is fixedly connected to one end of the base through the bolt.

The pneumatic clamping flat tongs comprise a movable tong opening sliding part capable of sliding in the groove body and a tong part perpendicular to the movable tong opening sliding part, and a first inclined plane is arranged on one side, close to the sliding block, of the tong part.

The pneumatic clamping flat tongs comprise a movable jaw, a sliding block, a limiting block and a cylinder, wherein the sliding block is arranged on a sliding portion of the movable jaw, one side, close to the clamping portion, of the sliding block is provided with a second inclined surface matched with the first inclined surface, one side, close to the limiting block, of the sliding block is provided with an opening used for being connected with a movable end of the cylinder, and the sliding portion of the sliding block is matched with the boss in a forming mode.

According to the pneumatic clamping flat tongs, the limiting block is connected with the fixed end of the air cylinder through the screw.

The pneumatic clamping flat tongs are characterized in that a through hole for the movable end of the air cylinder to penetrate through is formed in the middle shaft of the limiting block, and a limiting block sliding portion matched with the groove body is formed in the bottom of the limiting block.

According to the pneumatic clamping flat tongs, the side face of the limiting block is provided with the oblique threaded hole, and the threaded hole is internally provided with the stud capable of acting on the limiting steel ball.

Compared with the prior art, the utility model has the following advantage:

1. the utility model discloses simple structure, reasonable in design, it is convenient to realize.

2. The utility model discloses a second inclined plane on first inclined plane and the slider on the design tong portion, effort when making the centre gripping work piece transmits to the inclined plane direction, and then guarantees the position and the shape of moving vice jaw, has ensured the final machining precision of work piece.

3. The utility model discloses a double-screw bolt promotes spacing steel ball embedding base downthehole, makes the stopper fix on the base, ensures in the course of working, and the work piece is firmly fixed and is kept silent and move between keeping silent.

4. The utility model discloses can effectively use in machining, realize pressing from both sides dress and auto-lock to the location of work piece, positioning accuracy, press from both sides dress efficiency and machining precision height, saved the workman and in the time of pressing from both sides the continuous debugging of tight work piece in-process, improved work efficiency, improved the product precision, excellent in use effect, convenient to popularize and use.

To sum up, the utility model discloses simple structure, reasonable in design, it is convenient to realize, can effectively use in machining, realizes pressing from both sides dress and auto-lock to the location of work piece, and positioning accuracy, clamp dress efficiency and machining precision are high, have saved the workman and have improved work efficiency in the time of pressing from both sides the continuous debugging of tight work piece in-process, have improved the product precision, excellent in use effect, convenient to popularize and use.

The technical solution of the present invention is further described in detail by the accompanying drawings and examples.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic structural view of the base of the present invention;

FIG. 4 is a schematic structural view of the movable jaw of the present invention;

fig. 5 is a schematic structural view of the slide block of the present invention;

fig. 6 is the structure schematic diagram of the limiting block of the present invention.

Description of reference numerals:

1-a base; 1-tank body; 1-2-boss;

1-3-ball holes; 2, fixing a jaw; 3, moving a jaw;

3-1-movable jaw sliding part; 3-2-clamp part; 3-3 — a first bevel;

4, a sliding block; 4-1 — second bevel; 4-2-a slider sliding portion;

5, a limiting block; 5-1-through hole; 5-2-a stopper sliding portion;

5-3-a threaded hole; 6, a cylinder; 7, limiting steel balls;

8-stud.

Detailed Description

As shown in figures 1-3, the pneumatic clamping flat tongs of the utility model comprises a base 1, a fixed tong opening 2 and a movable tong opening 3 are arranged on the base 1, the base 1 comprises a groove body 1-1 arranged axially, two sides of the groove body 1-1 are provided with mutually parallel bosses 1-2, a plurality of ball holes 1-3 are arranged at the bottom of the tank body 1-1 at intervals, the movable jaw 3 is connected on the tank body 1-1 in a sliding way, a sliding block 4 which is connected with the lug boss 1-2 in a sliding way is arranged on one side of the movable jaw 3 away from the fixed jaw 2, a limiting block 5 and an air cylinder 6 connected with the limiting block 5 are arranged on one side of the sliding block 4 far away from the movable jaw 3, the limiting block 5 is connected in the groove body 1-1 in a sliding manner, and the bottom of the limiting block 5 is provided with a limiting steel ball 7 corresponding to the ball hole 1-3 in shape.

In this embodiment, the fixed jaw 2 is fixedly connected to one end of the base 1 through a bolt.

During specific implementation, a threaded hole is formed in the base 1, an installation positioning hole corresponding to the threaded hole is formed in the fixed jaw 2, and the fixed jaw 2 is fixed on the base 1 by penetrating through the installation positioning hole and the threaded hole through a bolt.

In this embodiment, as shown in fig. 4, the movable jaw 3 includes a movable jaw sliding portion 3-1 capable of sliding in the groove 1-1 and a clamping portion 3-2 perpendicular to the movable jaw sliding portion 3-1, and a first inclined surface 3-3 is disposed on one side of the clamping portion 3-2 close to the slider 4.

In this embodiment, as shown in fig. 5, the sliding block 4 is disposed on the sliding portion 3-1 of the movable jaw, a second inclined surface 4-1 matched with the first inclined surface 3-3 is disposed on one side of the sliding block 4 close to the clamping portion 3-2, an opening for connecting the movable end of the cylinder 6 is disposed on one side of the sliding block 4 close to the limiting block 5, and a sliding block sliding portion 4-2 matched with the boss 1-2 is formed on the lower portion of the sliding block 4.

During specific implementation, the first inclined plane 3-3 on the movable jaw 3 and the second inclined plane 4-1 on the sliding block 4 are designed, so that acting force during workpiece clamping is transmitted to the inclined plane direction, and the position and the shape of the movable jaw 3 are further ensured.

In this embodiment, the limiting block 5 is connected with the fixed end of the cylinder 6 through a screw.

In this embodiment, as shown in fig. 6, a through hole 5-1 through which the movable end of the air cylinder 6 passes is formed in the middle shaft of the limiting block 5, and a limiting block sliding portion 5-2 matched with the groove body 1-1 is formed at the bottom of the limiting block 5.

In this embodiment, as shown in fig. 6, an oblique threaded hole 5-3 is formed in a side surface of the limiting block 5, and a stud 8 capable of acting on the limiting steel ball 7 is arranged in the threaded hole 5-3.

During specific implementation, the stud 8 is screwed downwards in an inclined mode, and the stud 8 pushes the limiting steel ball 7 to be embedded into the ball holes 1-3 of the base 1.

When the utility model is used, a workpiece is firstly placed between the fixed jaw 2 and the movable jaw 3, and then the sliding block 4 and the limiting block 5 connected with the cylinder 6 are moved, so that the fixed jaw 2 and the movable jaw 3 fix the workpiece; then, the stud 8 is screwed, the stud 8 pushes the limiting steel ball 7 to be embedded into the ball holes 1-3 of the base 1, and the limiting block 5 is fixed on the base 1; and finally, the cylinder 6 acts, the movable end of the cylinder 6 extends out, and the second inclined surface 4-1 of the sliding block 4 is pushed to be in close contact with the first inclined surface 3-3 of the movable jaw 3, so that stable clamping of the workpiece is ensured.

The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and the equivalent structure change of doing above embodiment the utility model discloses technical scheme's within the scope of protection.

Claims

1. The utility model provides a pneumatic clamping flat tongs, includes base (1), be provided with on base (1) and decide keeping silent (2) and move vice jaw (3), its characterized in that: the base (1) comprises a groove body (1-1) which is axially arranged, two sides of the groove body (1-1) are provided with mutually parallel bosses (1-2), a plurality of ball holes (1-3) are arranged at the bottom of the tank body (1-1) at intervals, the movable jaw (3) is connected on the tank body (1-1) in a sliding way, a sliding block (4) which is connected with the lug boss (1-2) in a sliding way is arranged on one side of the movable jaw (3) far away from the fixed jaw (2), a limiting block (5) and an air cylinder (6) connected with the limiting block (5) are arranged on one side of the sliding block (4) far away from the movable jaw (3), the limiting block (5) is connected in the groove body (1-1) in a sliding manner, and the bottom of the limiting block (5) is provided with a limiting steel ball (7) corresponding to the ball hole (1-3) in shape.

2. A pneumatically clamped flat-nose pliers as claimed in claim 1 wherein: the fixed jaw (2) is fixedly connected to one end of the base (1) through a bolt.

3. A pneumatically clamped flat-nose pliers as claimed in claim 1 wherein: the movable jaw (3) comprises a movable jaw sliding portion (3-1) capable of sliding in the groove body (1-1) and a clamping portion (3-2) perpendicular to the movable jaw sliding portion (3-1), and a first inclined surface (3-3) is arranged on one side, close to the sliding block (4), of the clamping portion (3-2).

4. A pneumatically clamped flat-nose pliers as claimed in claim 3 wherein: the sliding block (4) is arranged on the sliding part (3-1) of the movable jaw, one side, close to the clamping part (3-2), of the sliding block (4) is provided with a second inclined surface (4-1) matched with the first inclined surface (3-3), one side, close to the limiting block (5), of the sliding block (4) is provided with a hole used for being connected with the movable end of the air cylinder (6), and the sliding block sliding part (4-2) matched with the boss (1-2) is formed in the lower portion of the sliding block (4).

5. A pneumatically clamped flat-nose pliers as claimed in claim 1 wherein: the limiting block (5) is connected with the fixed end of the air cylinder (6) through a screw.

6. A pneumatically clamped flat-nose pliers as claimed in claim 1 wherein: a through hole (5-1) for the movable end of the air cylinder (6) to pass through is formed in the middle shaft of the limiting block (5), and a limiting block sliding part (5-2) matched with the groove body (1-1) is formed at the bottom of the limiting block (5).

7. A pneumatically clamped flat-nose pliers as claimed in claim 6 wherein: the side surface of the limiting block (5) is provided with an oblique threaded hole (5-3), and a stud (8) capable of acting on the limiting steel ball (7) is arranged in the threaded hole (5-3).