CN217749035U

CN217749035U - Workpiece clamping device for punching machine

Info

Publication number: CN217749035U
Application number: CN202221801725.7U
Authority: CN
Inventors: 黄红亮
Original assignee: Hebei Hengde Automation Equipment Co ltd
Current assignee: Hebei Hengde Automation Equipment Co ltd
Priority date: 2022-07-14
Filing date: 2022-07-14
Publication date: 2022-11-08
Anticipated expiration: 2032-07-14

Abstract

The utility model discloses a workpiece clamping device for a punching machine, which comprises a positioning platform; the two clamping rods are arranged and are arranged on the positioning platform in a sliding mode, and the distance between the two clamping rods is adjustable and used for clamping a workpiece; the driving belt is rotationally arranged on the positioning platform, and is fixedly connected with the clamping rod and used for driving the clamping rod to move; the positioning platform is rotatably provided with a driving wheel and a driven wheel, the driving wheel is in transmission connection with a driving device for driving the driving wheel to rotate, and the driving belt is wound between the driving wheel and the driven wheel; the two clamping rods are fixedly arranged on the driving belt and are respectively positioned at two sides of the driving wheel. The utility model discloses can press from both sides tightly the work piece at the punching press in-process, can also fix a position the work piece simultaneously, can show the punching press precision that improves the work piece, promote product quality.

Description

Workpiece clamping device for punching machine

Technical Field

The utility model relates to a clamping device technical field especially relates to a work piece clamping device for punching machine.

Background

The stamping is a forming method in which a press and a die are used to apply an external force to a plate, a strip, a pipe, a profile, etc. to cause plastic deformation or separation, thereby obtaining a workpiece (stamped part) with a desired shape and size.

The stamping workpiece is usually subjected to multiple stamping forming in the production process, the processes of transmission, overturning and the like are required among multiple stamping, and the workpiece needs to be repositioned and clamped in the process of transmission and overturning so as to prevent the deflection or displacement of the workpiece from causing errors in the subsequent stamping; therefore, there is a need for a device capable of clamping and positioning a workpiece during a stamping process, so as to improve the precision of a stamped product and improve the product quality.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a work piece clamping device for punching machine to the not enough of above-mentioned prior art.

In order to solve the above problems, the utility model adopts the following technical scheme:

a workpiece clamping device for a press machine includes

Positioning the platform;

the two clamping rods are arranged and are arranged on the positioning platform in a sliding mode, and the distance between the two clamping rods is adjustable and used for clamping a workpiece;

and the driving belt is rotationally arranged on the positioning platform and is fixedly connected with the clamping rod for driving the clamping rod to move.

Further, the locating platform is provided with a driving wheel and a driven wheel in a rotating mode, a driving device used for driving the driving wheel to rotate is connected to the driving wheel in a transmission mode, and the driving belt is wound between the driving wheel and the driven wheel.

Furthermore, the two clamping rods are fixedly arranged on the driving belt and are respectively positioned at two sides of the driving wheel.

Further, the driving belt is covered with a protective cover, and the protective cover is fixedly arranged on the positioning platform.

Furthermore, the lower part of the positioning platform is provided with a slide rail, the clamping rod is connected with a slide block, and the slide block is arranged on the slide rail in a sliding manner.

Furthermore, a limiting rod is fixedly arranged on the positioning platform, and the clamping rod slides along the length direction of the limiting rod.

Furthermore, a pressing mechanism is further arranged, the pressing mechanism comprises a pressing piece fixedly arranged on the positioning platform and a pressing plate fixedly arranged at the movable end of the pressing piece, the pressing plate is arranged on the positioning platform in a sliding mode, and the sliding direction of the pressing plate is perpendicular to that of the clamping rod.

Furthermore, a pressing rod is arranged on the pressing plate and movably arranged on the pressing plate.

Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:

the utility model can clamp and position the workpiece without manual intervention, the clamped workpiece can realize accurate positioning and is not easy to move, the workpiece can be prevented from dislocation, the product precision is influenced, and the product quality can be obviously improved; the utility model provides a work piece is placed on positioning platform, and two clamping rod press from both sides the work piece tightly, prevent that the work piece from removing, and the compression bar extrudees the work piece, makes work piece and gag lever post tightly laminate, can fix a position the work piece.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a perspective view of one of the angles of the present invention;

fig. 3 is another perspective view of the present invention.

In the figure: the device comprises a positioning platform 1, a clamping rod 2, a driving belt 3, a driving wheel 4, a driven wheel 5, a driving device 6, a protective cover 7, a sliding rail 8, a sliding block 9, a limiting rod 10, a pressing piece 11, a pressing plate 12 and a pressing rod 13.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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 simplification of description, but do not indicate or imply that the device or element 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 invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in FIGS. 1 to 3, a work clamping apparatus for a press machine includes

A positioning platform 1;

two clamping rods 2 are arranged and are arranged on the positioning platform 1 in a sliding mode, the two clamping rods 2 are arranged in parallel, and the distance between the two clamping rods 2 is adjustable and used for clamping a workpiece;

and the driving belt 3 is rotationally arranged on the positioning platform 1, and the driving belt 3 is fixedly connected with the clamping rod 2 and is used for driving the clamping rod 2 to move.

In the utility model, because multiple times of stamping are needed, manual work or a conveying device is generally adopted for transmission operation among the multiple times of stamping, and the workpiece may shift in the transmission process, thereby affecting the stamping precision and reducing the product quality; the utility model discloses can press from both sides tight location with the work piece, make the work piece be in accurate position, carry out the punching press operation on conveying to the punching machine by conveyor after the location again, can effectively improve the punching press precision to improve product quality. When clamping and positioning, a workpiece is placed on the positioning platform 1, then the driving belt 3 rotates to drive the clamping rods 2 to slide on the positioning platform 1, the two clamping rods 2 can clamp the workpiece when sliding towards the direction close to each other, otherwise, the workpiece can be loosened, and clamping or loosening of the workpiece is realized.

Further, it is provided with action wheel 4 and follows driving wheel 5 to rotate on the locating platform 1, the transmission is connected with on action wheel 4 and is used for driving action wheel 4 pivoted drive arrangement 6, the winding of drive belt 3 sets up in action wheel 4 and follows between driving wheel 5.

Further, two clamping rods 2 are fixedly arranged on the driving belt 3, and the two clamping rods 2 are respectively positioned on two sides of the driving wheel 4.

The utility model provides a two clamping bar 2 are fixed respectively and are set up in drive belt 3's both sides, as is well known, drive belt winding is at the action wheel and from the driving wheel, when drive belt rotates, the drive belt of one side removes to a direction, and the drive belt of opposite side removes to opposite direction, consequently two clamping bar 2 are fixed to be set up in the both sides of drive belt 3, when drive belt 3 rotates, two clamping bar 2 can only remove to the direction that is close to each other or keeps away from each other, realize pressing from both sides tightly or unclamping the work piece.

It should be noted that, the driving device 6 is fixedly arranged on the positioning platform 1, the driving device 6 is a motor, an output shaft of the motor is connected with a driving wheel in a transmission manner and is used for driving the driving wheel 4 to rotate, the motor is a servo motor, so that accurate control over a driving belt can be realized, the driving wheel 4 and the driven wheel 5 are synchronizing wheels, and the driving belt 3 is a synchronous belt, so that accurate and stable transmission can be realized, and the control is convenient.

Furthermore, a protective cover 7 covers the driving belt 3, and the protective cover 7 is fixedly arranged on the positioning platform 1. The protection casing 7 can protect the driving belt 3, and simultaneously can prevent the workpiece from falling on the driving belt 3 or prevent the body of an operator from being damaged by the clamping of the driving belt 3, so that the potential safety hazard is reduced.

Furthermore, the lower part of the positioning platform 1 is provided with a slide rail 8, the clamping rod 2 is provided with a connecting piece, and the connecting piece is fixedly connected with a slide block 9, so that the clamping rod 2 can be regarded as being fixedly connected with the slide block 9, and the slide block 9 is slidably arranged on the slide rail 8. The sliding block 9 is arranged on the sliding rail 8 in a sliding mode, and the clamping rod 2 is fixedly connected with the sliding block 9, so that the transmission stability of the clamping rod 2 can be improved.

Furthermore, a limiting rod 10 is fixedly arranged on the positioning platform 1, and the clamping rod 2 slides along the length direction of the limiting rod 10. The utility model provides a gag lever post 10 is used for blockking the work piece, prevents that the work piece from dropping down location platform 1, can also play the positioning action simultaneously, and pressure strip 12 can extrude the work piece, makes the work piece closely hug closely with gag lever post 10 and be in the same place, prevents the work piece back-and-forth movement, and two clamping rod 2 can press from both sides the work piece tightly, prevents to control the work piece and remove, and the work piece all around all can not remove, then the work piece is pressed from both sides tightly the location, has realized the location of work piece.

Furthermore, a pressing mechanism is further arranged, the pressing mechanism comprises a pressing piece 11 fixedly arranged on the positioning platform and a pressing plate 12 fixedly arranged at the movable end of the pressing piece 11, the pressing plate 12 is arranged on the positioning platform 1 in a sliding mode, and the sliding direction of the pressing plate 12 is perpendicular to that of the clamping rod 2.

It should be noted that the pressing member 11 is one of an air cylinder, an electric push rod, or a hydraulic cylinder, and it is only necessary to drive the pressing plate 12 to slide on the positioning platform 1.

Further, a pressing rod 13 is arranged on the pressing plate 12, and the pressing rod 13 is movably arranged on the pressing plate 12.

Furthermore, the pressing plate 12 is connected with the pressing rods 13 through bolts, the clamping plate 12 is provided with a first sliding groove, the first sliding groove is parallel to the limiting rod 10, and the bolts can slide in the first sliding groove, so that the pressing rods 13 can slide along the length direction of the first sliding groove, the distance between the two pressing rods 13 can be adjusted, and the clamping device can adapt to workpieces with different sizes; and the second spout has been seted up along length direction on compressing tightly pole 13, and the bolt slides in the second spout equally, therefore the adjustable distance that compresses tightly between pole 13 and the gag lever post 10 can adapt to not unidimensional work piece equally, makes the practicality and the commonality of this device stronger.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims

1. A workpiece clamping device for a punching machine is characterized by comprising

A positioning platform (1);

two clamping rods (2) are arranged and are arranged on the positioning platform (1) in a sliding manner, and the distance between the two clamping rods (2) is adjustable and is used for clamping a workpiece;

the driving belt (3) is rotatably arranged on the positioning platform (1), and the driving belt (3) is fixedly connected with the clamping rod (2) and used for driving the clamping rod (2) to move.

2. The workpiece clamping device for the punching machine is characterized in that a driving wheel (4) and a driven wheel (5) are rotatably arranged on the positioning platform (1), a driving device (6) for driving the driving wheel (4) to rotate is in transmission connection with the driving wheel (4), and the driving belt (3) is wound between the driving wheel (4) and the driven wheel (5).

3. The workpiece clamping device for the punching machine as recited in claim 2, characterized in that two said clamping bars (2) are fixedly arranged on the driving belt (3), and two said clamping bars (2) are respectively located on both sides of the driving wheel (4).

4. The workpiece clamping device for the punching machine is characterized in that a protective cover (7) is covered on the driving belt (3), and the protective cover (7) is fixedly arranged on the positioning platform (1).

5. The workpiece clamping device for the punching machine is characterized in that a sliding rail (8) is arranged at the lower part of the positioning platform (1), a sliding block (9) is connected to the clamping rod (2), and the sliding block (9) is arranged on the sliding rail (8) in a sliding manner.

6. The workpiece clamping device for the punching machine is characterized in that a limiting rod (10) is fixedly arranged on the positioning platform (1), and the clamping rod (2) slides along the length direction of the limiting rod (10).

7. The workpiece clamping device for the punching machine is characterized in that a pressing mechanism is further provided, the pressing mechanism comprises a pressing piece (11) fixedly arranged on the positioning platform and a pressing plate (12) fixedly arranged at the movable end of the pressing piece (11), the pressing plate (12) is slidably arranged on the positioning platform (1), and the sliding direction of the pressing plate (12) is perpendicular to the sliding direction of the clamping rod (2).

8. The workpiece clamping device for the punching machine is characterized in that the pressing plate (12) is provided with a pressing rod (13), and the pressing rod (13) is movably arranged on the pressing plate (12).