CN205833930U - A kind of hand pressure blanking units - Google Patents

Abstract

The utility model discloses a hand press punching device, which relates to the field of mechanical processing, and comprises a base, a cantilever support is installed on the base, a hand press bar and a punching device are installed on the cantilever support, the punch The cutting device is located directly below the hand pressure bar, and a mold is also installed on the base, the mold includes a die, and the die is embedded in the base, and a ejector is arranged under the die, and the ejector is installed below the die. There is an anti-compression spring, and a cover plate is installed under the anti-compression spring, and the cover plate is fixedly connected to the lower surface of the base through countersunk screws. Shaft installation; the utility model can realize the direct punching of the plate that needs to be punched by setting the combination of the punch and the die, without needing to be equipped with a corresponding mold separately. The structure is simple, reliable, easy to operate, and can be moved at will.

Description

A hand punching device

technical field

The utility model relates to the field of mechanical processing, in particular to a hand press punching device.

Background technique

The punching device in the prior art is mainly a punching machine. The design principle of the punching machine is to convert the circular motion into a linear motion. The power of the main motor drives the flywheel, and the gear, crankshaft (or eccentric gear), connecting rod, etc. are driven by the clutch. To achieve the linear movement of the slider, the movement from the main motor to the connecting rod is a circular movement to cooperate with the mold, which can make blanking, punching, forming, deep drawing, trimming, fine blanking, shaping, riveting and extrusion parts, etc. , are widely used in various fields; however, the existing general-purpose punching machines are all fixed in the factory building, occupy a large space in the factory building, and cannot be moved, and different parts must be equipped with corresponding molds; compared with small parts, the thickness is not large or punching For parts with little cutting force, the cost of using general-purpose equipment is high, so there is an urgent need for a punching device that can realize small parts punching and is easy to move.

Chinese utility model patent CN 203818602 U discloses a "small manual punch". In order to be equipped with a mold device suitable for realizing the stamping action device, the punching function cannot be directly realized.

Utility model content

The purpose of the utility model is to provide a hand press punching device, which is used to solve the problem in the prior art that portable punching equipment needs to be equipped with corresponding molds to punch thinner plates.

The utility model is realized through the following technical solutions:

A hand press punching device, comprising a base, a cantilever support is installed on the base, a hand pressing bar and a punching device are installed on the cantilever support, and the punching device is located directly below the hand pressing bar, A mold is also installed on the base, the mold includes a die, the die is embedded in the base, a jack is arranged below the die, a compression spring is installed below the jack, and the compression spring A cover plate is installed below, and the cover plate is fixedly connected to the lower surface of the base through countersunk screws, and the die, ejector, anti-compression spring and cover plate are coaxially installed.

Preferably, the punching device includes a guide sleeve assembly embedded in the cantilever support, the upper end surface of the guide sleeve assembly is in the same plane as the upper end surface of the cantilever support, and a punch is arranged in the guide sleeve assembly, and the There is also a stop ring set between the upper end of the punch and the upper end surface of the guide sleeve assembly, and a return spring is also arranged between the stop ring and the punch, the upper end of the punch is hemispherical, and the lower end is a cylinder And be positioned at the top of described die.

Preferably, the material of the punch and the die is tungsten steel.

Preferably, a hinge fork is also provided between the cantilever support and the hand lever, and the hinge fork is hinged to the hand lever through a hinge pin.

Preferably, the hinge yoke is fixedly connected to the cantilever support through positioning pins and hexagon socket screws.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

(1) The utility model is provided with a combination of a punch and a die, which can realize the direct punching of the plate that needs to be punched, without having to be equipped with a corresponding mold separately. The structure is simple, reliable, easy to operate, and can be moved at will.

(2) The utility model adopts the punch and die of tungsten steel material. Due to the high hardness and good toughness of tungsten steel, it has a wider application range than other manual punching devices.

Description of drawings

Fig. 1 is the partial sectional structure schematic diagram of the utility model;

Fig. 2 is the A-A sectional view of Fig. 1;

Among them, 1-cover plate; 2-die; 3-base; 4-top piece; 5-guide sleeve assembly; 6-stop ring; 7-return spring; - hinge pin; 11 - hinge fork; 12 - cantilever support; 13 - countersunk head screw; 14 - compression spring; 15 - positioning pin; 16 - hexagon socket screw.

detailed description

The utility model will be further described in detail below in conjunction with the examples, but the implementation of the utility model is not limited thereto.

Example:

As shown in Figures 1-2, a hand press punching device includes a base 3, on which a cantilever support 12 is installed, and a hand press bar 9 and a punching device are installed on the cantilever support 12, The punching device is located directly below the hand press bar 9, and a mold is also installed on the base 3, the mold includes a die 2, the die 2 is embedded in the base 3, and a top piece is arranged below the die 2 4, a compression spring 14 is installed under the top piece 4, a cover plate 1 is installed under the compression spring 14, and the cover plate 1 is fixedly connected to the lower surface of the base 3 by countersunk screws 13 , the die 2, ejector 4, compression spring 14 and cover plate 1 are installed coaxially.

In the embodiment, the punching device includes a guide sleeve assembly 5 embedded in the cantilever support 12, the upper end surface of the guide sleeve assembly 5 and the upper end surface of the cantilever support 12 are in the same plane, and the guide sleeve assembly 5 is equipped with There is a punch 8, and a stop ring 6 is set between the upper end of the punch 8 and the upper end surface of the guide sleeve assembly 5, and a return spring 7 is also arranged between the stop ring 6 and the punch 8, so that The upper end surface of the punch 8 is hemispherical, the lower end is a cylinder and is located directly above the concave die 2 .

In the embodiment, the material of the punch 8 and the die 2 is tungsten steel.

In an embodiment, a hinge fork 11 is further provided between the cantilever support 12 and the hand lever 9 , and the hinge fork 11 is hinged to the hand lever 9 through a hinge pin 10 .

In an embodiment, the hinge fork 11 is fixedly connected to the cantilever support 12 through a positioning pin 15 and a hexagon socket screw 16 .

working principle:

Place the material to be punched between the punch 8 and the die 2, hold the end of the hand pressure rod 9 tightly with your hands, and press down quickly, the hand pressure rod 9 will transmit the pressure to the hemispherical end of the punch 8, The punch 8 moves vertically downward under the constraint of the guide sleeve assembly 5 until the lower end of the cylinder of the punch 8 contacts the material to be punched and cooperates with the die 2 to punch the material off, release the hand lever 9, and Under the combined action of the anti-compression spring 14 and the return spring 7, return to the original position, and the first punching work is completed; remove the punched-off material remaining on the upper surface of the ejector 4 in the die 2, and prepare for the second punching. Die cutting work.

The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Any simple modification or equivalent change made to the above embodiments according to the technical essence of the utility model falls within the scope of the present utility model. Within the protection scope of the present utility model.

Claims (4)

1. A hand press punching device, comprising a base (3), on which a cantilever support (12) is installed, on which a hand press bar (9) and a punching tool are installed device, the punching device is located directly below the hand press bar (9), and it is characterized in that a mold is also installed on the base (3), and the mold includes a die (2), and the die (2 ) embedded in the base (3), a top piece (4) is arranged under the die (2), and a compression spring (14) is installed under the top piece (4), and a compression spring (14) is installed under the compression spring (14). A cover plate (1) is installed, and the cover plate (1) is fixedly connected to the lower surface of the base (3) through countersunk screws (13), the die (2), top piece (4), Compression spring (14) and cover plate (1) are coaxially installed. 2. A hand punching device according to claim 1, characterized in that the punching device includes a guide sleeve assembly (5) embedded in the cantilever support (12), and the guide sleeve assembly ( 5) The upper end surface and the upper end surface of the cantilever support (12) are in the same plane, the guide sleeve assembly (5) is provided with a punch (8), and the upper end of the punch (8) and the guide sleeve assembly (5) There is also a stop ring (6) between the upper end faces of the stop ring (6), and a return spring (7) is also provided between the stop ring (6) and the punch (8), and the upper end face of the punch (8) is Hemispherical, the lower end is a cylinder and is located directly above the concave mold (2). 3. A hand punching device according to claim 2, characterized in that the material of the punch (8) and the die (2) is tungsten steel. 4. A hand press punching device according to claim 1, characterized in that a hinge fork (11) is also provided between the cantilever support (12) and the hand press rod (9), and the hinge The fork (11) is hinged with the hand lever (9) through the hinge pin (10), and the hinge fork (11) is fixedly connected with the cantilever support (12) through the positioning pin (15) and the hexagon socket screw (16).