CN217943374U

CN217943374U - Pneumatic grabbing and positioning device

Info

Publication number: CN217943374U
Application number: CN202221630729.3U
Authority: CN
Inventors: 缪习川
Original assignee: Zhejiang Haitao Precision Machinery Co ltd
Current assignee: Zhejiang Haitao Precision Machinery Co ltd
Priority date: 2022-06-28
Filing date: 2022-06-28
Publication date: 2022-12-02
Anticipated expiration: 2032-06-28

Abstract

The utility model relates to the technical field of grabbing and positioning devices, in particular to a pneumatic grabbing and positioning device, which comprises a pneumatic grabbing mechanism, a workpiece and a positioning mechanism; the workpiece is arranged between the pneumatic grabbing mechanism and the positioning mechanism, the pneumatic grabbing mechanism comprises a double-claw cylinder and a clamping jaw, and the double-claw cylinder is connected with the clamping jaw; the positioning mechanism comprises a positioning column and a supporting plate, the positioning column is fixed on the supporting plate, and the workpiece is arranged at the top end of the positioning column. This pneumatic positioner that snatchs is applicable to aluminium die-casting shaping part, cast moulding part and powder metallurgy part, mainly snatchs the mechanism and the positioning mechanism constitutes by pneumatics, and the motion that the pneumatics was snatched the mechanism with pneumatic as the power supply, can realize the initial positioning to the work piece, press from both sides tightly, compress tightly the class function, and press from both sides the state stability to irregular work piece clamp, appearance structural design is compact, exquisite, has fine practicality.

Description

Pneumatic grabbing and positioning device

Technical Field

The utility model relates to a snatch positioner technical field specifically is a pneumatic snatch positioner.

Background

The precision product substitute processing is an important guarantee for driving the product transformation and upgrading, and a substitute processing factory needs to customize or manufacture equipment suitable for a processed product according to the structural characteristics of the product and the requirements of the processed technical parameters. The pneumatic grabbing and positioning device is an important device matched with the mechanical arm for use, and because the shapes of each type of processed product are different, the structure of the existing clamping and positioning device still needs to be further improved and innovated so as to adapt to the processed products with different shapes and structures.

When the existing pneumatic grabbing device is used in practice, the problem of looseness is easily caused after a special irregular-shape product is clamped, and the deformation of the product is easily caused in the machining process.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pneumatic positioner that snatchs to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a pneumatic grabbing and positioning device comprises a pneumatic grabbing mechanism, a workpiece and a positioning mechanism; the workpiece is arranged between the pneumatic grabbing mechanism and the positioning mechanism, the pneumatic grabbing mechanism comprises a double-claw cylinder and a clamping jaw, and the double-claw cylinder is connected with the clamping jaw; the positioning mechanism comprises a positioning column and a supporting plate, the positioning column is fixed on the supporting plate, and the workpiece is arranged at the top end of the positioning column;

the clamping jaw comprises a first clamping jaw and a second clamping jaw which are arranged in bilateral symmetry, and horizontal fixing plates are arranged at the top ends of the first clamping jaw and the second clamping jaw and connected with the double-jaw air cylinder through the horizontal fixing plates; the first clamping jaw and the second clamping jaw are both provided with limiting clamping columns, and the second clamping jaw is vertically provided with a horizontal clamping block for clamping a workpiece; the bottom end of the first clamping jaw is provided with a clamping groove.

Preferably, a positioning groove matched with the positioning column structure is formed in the position, corresponding to the positioning column, of the supporting plate, the bottom end of the positioning column is fixed in the positioning groove and fixed through a fastening screw, and equipment is convenient to assemble quickly.

Preferably, the top end of the positioning column is provided with a positioning groove for clamping the workpiece, and the positioning groove is matched with a structure on the workpiece for use, so that the workpiece is prevented from sliding.

Preferably, the positioning columns comprise a left positioning column and a right positioning column, and the left positioning column and the right positioning column are respectively arranged on the left side and the right side of the supporting plate.

Preferably, the bottom of work piece is provided with the joint arc groove, and the top of right side reference column is provided with the joint lug that is used for cooperating the joint arc groove to use, when fixing a position the work piece through the reference column, with the joint lug embedding in the joint arc groove that the work piece corresponds to this realization is to the locate function of work piece, improves the stability of work piece.

Preferably, the top end of the horizontal fixing plate is provided with an installation clamping groove, the horizontal fixing plate is clamped on the sliding blocks on the left side and the right side of the bottom of the double-claw cylinder through the installation clamping groove and is fixed through a fastening screw, and the clamping jaws are convenient to assemble and disassemble.

Preferably, horizontal fixture block bilateral symmetry sets up in the left and right sides of second clamping jaw, when pressing from both sides the work piece, conveniently cooperates the use through horizontal fixture block and work piece inner wall, improves the stability that the work piece was pressed from both sides and gets.

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

the utility model provides a pair of pneumatic positioner that snatchs, this pneumatic positioner are applicable to aluminium die-casting shaping part, casting moulding part and powder metallurgy part, mainly snatch mechanism and positioning mechanism by pneumatics and constitute, and pneumatic motion that snatchs the mechanism can realize the initial positioning to the work piece, press from both sides tightly, compress tightly the function such as, and press from both sides the stable state to irregular work piece clamp, and appearance structural design is compact, exquisite, has fine practicality with pneumatics.

Drawings

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

fig. 2 is a schematic diagram of the explosion structure of the present invention;

fig. 3 is a schematic structural diagram of a second clamping jaw of the present invention;

fig. 4 is a schematic structural diagram of a first clamping jaw of the present invention;

fig. 5 is a schematic view of a specific structure of the support plate of the present invention;

fig. 6 is a schematic structural diagram of the left positioning column of the present invention;

fig. 7 is a schematic view of the right positioning column of the present invention.

In the figure: 1. a pneumatic grabbing mechanism; 2. a positioning mechanism; 3. a double-claw cylinder; 4. a first jaw; 5. a second jaw; 6. a positioning column; 7. a support plate; 8. a workpiece; 9. a horizontal fixing plate; 10. limiting the clamp column; 11. clamping the groove; 12. a horizontal clamping block; 13. a positioning groove; 14. positioning a groove; 15. clamping the convex block; 16. clamping the arc groove; 17. installing a clamping groove; 18. a left side positioning column; 19. and a right positioning column.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Any one embodiment of the invention is described below in conjunction with the accompanying drawing 1~7 for further explanation:

example 1: a pneumatic grabbing and positioning device comprises a pneumatic grabbing mechanism 1, a workpiece 8 and a positioning mechanism 2; the workpiece 8 is arranged between the pneumatic grabbing mechanism 1 and the positioning mechanism 2, the pneumatic grabbing mechanism 1 comprises a double-jaw cylinder 3 and a clamping jaw, and the double-jaw cylinder 3 is connected with the clamping jaw; the positioning mechanism 2 comprises a positioning column 6 and a supporting plate 7, the positioning column 6 is fixed on the supporting plate 7, and the workpiece 8 is arranged at the top end of the positioning column 6.

In this embodiment: the pneumatic grabbing and positioning device mainly comprises a pneumatic grabbing mechanism 1 and a positioning mechanism 2, wherein the moving mechanism of the pneumatic grabbing mechanism 1 takes the pneumatic property of a double-claw cylinder 3 as a power source, and the functions of initial positioning, clamping, pressing and the like of a workpiece can be realized.

Example 2: the positioning columns 6 comprise left positioning columns 18 and right positioning columns 19, and the left positioning columns 18 and the right positioning columns 19 are respectively arranged on the left side and the right side of the supporting plate 7;

set up the positioning groove 13 with reference column 6 structure adaptation on the position of layer board 7 corresponding reference column 6, the bottom mounting of reference column 6 is in positioning groove 13 to fix through fastening screw.

Furthermore, the top end of the positioning column 6 is provided with a positioning groove 14 for clamping the workpiece 8.

Furthermore, the bottom end of the workpiece 8 is provided with a clamping arc groove 16, and the top end of the right positioning column 19 is provided with a clamping convex block 15 used for matching with the clamping arc groove 16.

In this embodiment: in actual use, the workpiece 8 is placed on the positioning mechanism 2, and the workpiece 8 is clamped by the left positioning column 18 and the right positioning column 19 through the positioning groove 14 formed in the top ends of the positioning columns, so that the workpiece is fixed.

Example 3: the clamping jaw comprises a first clamping jaw 4 and a second clamping jaw 5 which are arranged in bilateral symmetry, and horizontal fixing plates 9 are arranged at the top ends of the first clamping jaw 4 and the second clamping jaw 5 and are connected with the double-jaw cylinder 3 through the horizontal fixing plates 9; the first clamping jaw 4 and the second clamping jaw 5 are both provided with limiting clamping columns 10, and the second clamping jaw 5 is vertically provided with a horizontal clamping block 12 for clamping a workpiece 8; the bottom end of the first clamping jaw 4 is provided with a clamping groove 11.

As a preferred embodiment: the top of horizontal fixed plate 9 has been seted up installation draw-in groove 17, and horizontal fixed plate 9 passes through installation draw-in groove 17 joint on the slider of the bottom left and right sides of double claw cylinder 3 to fix through fastening screw.

As a preferred embodiment: the horizontal clamping blocks 12 are arranged on the left side and the right side of the second clamping jaw 5 in a bilateral symmetry manner.

In this embodiment: during actual use, the pneumatic grabbing mechanism 1 is adjusted to a preset grabbing position, a pneumatic switch is turned on, the first clamping jaw 4 and the second clamping jaw 5 are driven by the double-jaw cylinder 3 to expand, and at the moment, the workpiece 8 is firmly clamped through the matching of the horizontal clamping blocks 12 on the first clamping jaw 4 and the second clamping jaw 5 and the limiting clamping columns 10, so that the workpiece grabbing action is completed; and conversely, the pneumatic switch is turned off, the first clamping jaw 4 and the second clamping jaw 5 return, the workpiece 8 is loosened, and the workpiece exits from the grabbing position, so that a complete operation cycle is completed.

It is worth noting that: the whole device realizes control to the device through the controller, and the controller is common equipment and belongs to the existing mature technology, and the electrical connection relation and the specific circuit structure of the controller are not repeated herein.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a pneumatic positioner that snatchs which characterized in that: comprises a pneumatic grabbing mechanism (1), a workpiece (8) and a positioning mechanism (2); the workpiece (8) is arranged between the pneumatic grabbing mechanism (1) and the positioning mechanism (2), the pneumatic grabbing mechanism (1) comprises a double-claw cylinder (3) and a clamping jaw, and the double-claw cylinder (3) is connected with the clamping jaw; the positioning mechanism (2) comprises a positioning column (6) and a supporting plate (7), the positioning column (6) is fixed on the supporting plate (7), and the workpiece (8) is arranged at the top end of the positioning column (6);

the clamping jaws comprise a first clamping jaw (4) and a second clamping jaw (5) which are arranged in bilateral symmetry, and horizontal fixing plates (9) are arranged at the top ends of the first clamping jaw (4) and the second clamping jaw (5) and are connected with the double-jaw cylinder (3) through the horizontal fixing plates (9); the first clamping jaw (4) and the second clamping jaw (5) are both provided with limiting clamping columns (10), and the second clamping jaw (5) is vertically provided with a horizontal clamping block (12) for clamping a workpiece (8); the bottom end of the first clamping jaw (4) is provided with a clamping groove (11).

2. The pneumatic gripping and positioning device according to claim 1, wherein: and a positioning groove (13) structurally matched with the positioning column (6) is formed in the position, corresponding to the positioning column (6), of the supporting plate (7), and the bottom end of the positioning column (6) is fixed in the positioning groove (13) through a fastening screw.

3. The pneumatic gripping and positioning device according to claim 1, wherein: and the top end of the positioning column (6) is provided with a positioning groove (14) for clamping the workpiece (8).

4. The pneumatic gripping and positioning device according to claim 1, wherein: the positioning columns (6) comprise left positioning columns (18) and right positioning columns (19), and the left positioning columns (18) and the right positioning columns (19) are respectively arranged on the left side and the right side of the supporting plate (7).

5. The pneumatic gripping and positioning device according to claim 1, wherein: the bottom of work piece (8) is provided with joint arc groove (16), and the top of right side reference column (19) is provided with joint lug (15) that are used for cooperating joint arc groove (16) to use.

6. The pneumatic gripping and positioning device according to claim 1, wherein: the top end of the horizontal fixing plate (9) is provided with an installation clamping groove (17), and the horizontal fixing plate (9) is connected to the sliders on the left side and the right side of the bottom of the double-claw cylinder (3) in a clamping mode through the installation clamping groove (17) and fixed through fastening screws.

7. The pneumatic grabbing and positioning device according to claim 1, wherein: the horizontal clamping blocks (12) are arranged on the left side and the right side of the second clamping jaw (5) in a bilateral symmetry mode.